🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.61 AU - 0.91 AU

Year: 251 Days

Day: 34.7 Hours

Environment

Temp: 122 °C

Axial Tilt: 1.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.74 AU - 0.8 AU

Year: 256 Days

Day: 33.4 Hours

Environment

Temp: 134 °C

Axial Tilt: 33.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,575,689 km

• M1: 278,551 km (0.081 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.68 AU - 0.88 AU

Year: 261 Days

Day: 30.7 Hours

Environment

Temp: 119 °C

Axial Tilt: 16.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Asteroid Belt

Center: 3.62 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 296.6

Radius: 8

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.35 AU - 6.55 AU

Year: 6204 Days

Day: 6.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 71,575,689 km

• M1: 138,378 km (0.119 R)
• M2: 242,947 km (0.066 R)
• M3: 457,171 km (0.116 R)
• M4: 534,962 km (0.095 R)
• M5: 596,596 km (0.068 R)
• M6: 660,923 km (0.073 R)
• M7: 856,897 km (0.094 R)
• M8: 1,097,749 km (0.038 R)
• M9: 1,191,846 km (0.066 R)
• M10: 1,274,873 km (0.07 R)
• M11: 1,595,760 km (0.091 R)
• M12: 1,734,288 km (0.109 R)
• M13: 1,892,862 km (0.095 R)
• M14: 2,123,093 km (0.066 R)
• M15: 2,241,574 km (0.098 R)
• M16: 2,293,036 km (0.107 R)
• M17: 2,397,306 km (0.048 R)
• M18: 2,485,269 km (0.091 R)
• M19: 2,556,478 km (0.106 R)
• M20: 2,719,240 km (0.085 R)
• M21: 3,017,090 km (0.081 R)
• M22: 3,112,384 km (0.092 R)
• M23: 3,827,462 km (0.102 R)
• M24: 3,972,272 km (0.076 R)
• M25: 4,161,065 km (0.113 R)
• M26: 4,834,255 km (0.118 R)
• M27: 4,923,565 km (0.096 R)
• M28: 5,126,569 km (0.098 R)
• M29: 5,870,669 km (0.053 R)
• M30: 5,990,048 km (0.094 R)
• M31: 6,499,878 km (0.098 R)
• M32: 6,722,779 km (0.103 R)
• M33: 7,099,765 km (0.083 R)
• M34: 7,303,667 km (0.068 R)
• M35: 7,743,335 km (0.03 R)
• M36: 7,821,725 km (0.101 R)
• M37: 8,324,972 km (0.099 R)
• M38: 8,540,094 km (0.109 R)
• M39: 8,893,444 km (0.057 R)
• M40: 9,586,381 km (0.045 R)
• M41: 10,096,061 km (0.119 R)
• M42: 10,382,990 km (0.109 R)
• M43: 10,877,112 km (0.1 R)
• M44: 11,082,659 km (0.025 R)
• M45: 11,827,656 km (0.05 R)
• M46: 11,948,382 km (0.111 R)
• M47: 12,404,655 km (0.096 R)
• M48: 12,681,112 km (0.099 R)
• M49: 12,835,647 km (0.088 R)
• M50: 13,177,777 km (0.117 R)
• M51: 13,839,299 km (0.106 R)
• M52: 13,934,593 km (0.116 R)
• M53: 14,094,064 km (0.118 R)
• M54: 14,254,134 km (0.098 R)
• M55: 14,608,382 km (0.117 R)
• M56: 15,194,357 km (0.067 R)
• M57: 15,490,261 km (0.072 R)
• M58: 15,622,356 km (0.089 R)
• M59: 15,987,524 km (0.102 R)
• M60: 16,322,025 km (0.06 R)
• M61: 16,861,924 km (0.063 R)
• M62: 16,997,908 km (0.111 R)
• M63: 17,648,510 km (0.099 R)
• M64: 17,786,439 km (0.11 R)
• M65: 18,307,189 km (0.089 R)
• M66: 18,446,913 km (0.115 R)
• M67: 19,115,317 km (0.06 R)
• M68: 19,221,531 km (0.086 R)
• M69: 19,612,879 km (0.065 R)
• M70: 20,006,770 km (0.089 R)
• M71: 20,186,737 km (0.102 R)
• M72: 20,258,843 km (0.082 R)
• M73: 20,403,354 km (0.066 R)
• M74: 20,838,983 km (0.082 R)
• M75: 21,167,650 km (0.111 R)
• M76: 22,424,870 km (0.106 R)
• M77: 22,724,216 km (0.086 R)
• M78: 24,432,623 km (0.098 R)
• M79: 24,663,453 km (0.066 R)
• M80: 24,817,838 km (0.045 R)
• M81: 25,049,864 km (0.105 R)
• M82: 25,867,865 km (0.106 R)
• M83: 26,339,248 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.4

Radius: 9.3

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.51 AU - 7.97 AU

Year: 6627 Days

Day: 7.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 71,575,689 km

• M1: 184,604 km (0.075 R)
• M2: 246,088 km (0.08 R)
• M3: 328,218 km (0.033 R)
• M4: 453,132 km (0.074 R)
• M5: 643,271 km (0.096 R)
• M6: 941,868 km (0.108 R)
• M7: 1,159,234 km (0.08 R)
• M8: 1,313,320 km (0.095 R)
• M9: 1,441,525 km (0.093 R)
• M10: 1,540,559 km (0.074 R)
• M11: 1,693,448 km (0.075 R)
• M12: 1,798,316 km (0.086 R)
• M13: 2,182,184 km (0.081 R)
• M14: 2,277,478 km (0.119 R)
• M15: 2,571,587 km (0.119 R)
• M16: 3,088,598 km (0.104 R)
• M17: 3,152,925 km (0.035 R)
• M18: 3,682,950 km (0.098 R)
• M19: 3,819,982 km (0.048 R)
• M20: 3,935,322 km (0.12 R)
• M21: 4,336,393 km (0.049 R)
• M22: 5,000,159 km (0.111 R)
• M23: 5,305,339 km (0.105 R)
• M24: 5,801,106 km (0.103 R)
• M25: 5,907,321 km (0.084 R)
• M26: 5,987,505 km (0.113 R)
• M27: 7,175,462 km (0.027 R)
• M28: 7,318,328 km (0.094 R)
• M29: 7,664,946 km (0.111 R)
• M30: 7,752,311 km (0.106 R)
• M31: 7,987,330 km (0.117 R)
• M32: 8,284,431 km (0.109 R)
• M33: 8,706,297 km (0.105 R)
• M34: 10,334,221 km (0.107 R)
• M35: 10,398,698 km (0.055 R)
• M36: 11,682,397 km (0.093 R)
• M37: 11,884,354 km (0.069 R)
• M38: 12,291,709 km (0.098 R)
• M39: 12,394,333 km (0.069 R)
• M40: 12,462,849 km (0.093 R)
• M41: 12,531,514 km (0.103 R)
• M42: 12,600,329 km (0.098 R)
• M43: 12,703,702 km (0.093 R)
• M44: 13,365,223 km (0.068 R)
• M45: 13,682,520 km (0.096 R)
• M46: 14,504,561 km (0.096 R)
• M47: 16,009,515 km (0.116 R)
• M48: 16,084,165 km (0.078 R)
• M49: 16,459,356 km (0.108 R)
• M50: 17,524,942 km (0.084 R)
• M51: 17,717,624 km (0.115 R)
• M52: 18,066,187 km (0.03 R)
• M53: 18,182,873 km (0.084 R)
• M54: 19,006,709 km (0.05 R)
• M55: 19,164,983 km (0.105 R)
• M56: 19,483,028 km (0.114 R)
• M57: 19,802,569 km (0.113 R)
• M58: 20,083,813 km (0.107 R)
• M59: 20,528,269 km (0.117 R)
• M60: 20,894,335 km (0.108 R)
• M61: 21,303,634 km (0.12 R)
• M62: 22,421,878 km (0.101 R)
• M63: 22,505,504 km (0.111 R)
• M64: 22,589,129 km (0.05 R)
• M65: 22,882,939 km (0.077 R)
• M66: 23,177,946 km (0.069 R)
• M67: 23,814,485 km (0.11 R)
• M68: 23,899,756 km (0.074 R)
• M69: 24,027,961 km (0.096 R)
• M70: 24,113,531 km (0.091 R)
• M71: 25,278,300 km (0.109 R)
• M72: 25,365,366 km (0.084 R)
• M73: 27,171,162 km (0.064 R)
• M74: 28,382,755 km (0.084 R)
• M75: 28,699,753 km (0.088 R)
• M76: 28,972,470 km (0.107 R)
• M77: 29,703,854 km (0.101 R)
• M78: 31,231,248 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.6

Radius: 9.9

Gravity: 10.17 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 6.61 AU - 7.43 AU

Year: 7045 Days

Day: 13.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 71,575,689 km

• M1: 124,465 km (0.097 R)
• M2: 186,698 km (0.103 R)
• M3: 345,870 km (0.046 R)
• M4: 559,945 km (0.099 R)
• M5: 917,185 km (0.056 R)
• M6: 1,242,410 km (0.116 R)
• M7: 1,438,533 km (0.119 R)
• M8: 1,623,885 km (0.034 R)
• M9: 2,614,073 km (0.072 R)
• M10: 2,816,030 km (0.079 R)
• M11: 3,562,673 km (0.117 R)
• M12: 3,730,522 km (0.044 R)
• M13: 3,815,344 km (0.085 R)
• M14: 3,987,082 km (0.069 R)
• M15: 4,367,959 km (0.064 R)
• M16: 4,945,556 km (0.079 R)
• M17: 5,547,388 km (0.091 R)
• M18: 5,774,927 km (0.065 R)
• M19: 6,272,938 km (0.112 R)
• M20: 7,381,159 km (0.108 R)
• M21: 7,523,875 km (0.108 R)
• M22: 7,921,207 km (0.063 R)
• M23: 8,548,920 km (0.107 R)
• M24: 8,661,268 km (0.054 R)
• M25: 9,039,601 km (0.081 R)
• M26: 9,192,490 km (0.068 R)
• M27: 9,812,424 km (0.113 R)
• M28: 10,406,028 km (0.066 R)
• M29: 10,486,063 km (0.101 R)
• M30: 11,421,049 km (0.056 R)
• M31: 12,129,246 km (0.1 R)
• M32: 12,509,823 km (0.112 R)
• M33: 12,765,785 km (0.057 R)
• M34: 12,851,504 km (0.045 R)
• M35: 14,204,467 km (0.107 R)
• M36: 14,605,689 km (0.109 R)
• M37: 14,740,327 km (0.059 R)
• M38: 14,830,235 km (0.108 R)
• M39: 15,055,979 km (0.059 R)
• M40: 15,237,291 km (0.093 R)
• M41: 15,328,247 km (0.065 R)
• M42: 15,831,793 km (0.06 R)
• M43: 16,294,200 km (0.119 R)
• M44: 17,803,792 km (0.028 R)
• M45: 19,308,448 km (0.081 R)
• M46: 19,802,420 km (0.074 R)
• M47: 19,901,753 km (0.05 R)
• M48: 22,593,168 km (0.113 R)
• M49: 22,800,959 km (0.087 R)
• M50: 23,690,917 km (0.107 R)
• M51: 24,592,244 km (0.07 R)
• M52: 24,805,870 km (0.107 R)
• M53: 25,666,806 km (0.047 R)
• M54: 26,702,023 km (0.029 R)
• M55: 27,086,789 km (0.073 R)
• M56: 27,252,244 km (0.118 R)
• M57: 28,364,055 km (0.117 R)
• M58: 29,831,311 km (0.088 R)
• M59: 30,002,302 km (0.08 R)
• M60: 30,116,445 km (0.108 R)
• M61: 30,516,918 km (0.112 R)
• M62: 30,804,146 km (0.062 R)
• M63: 31,439,040 km (0.072 R)
• M64: 32,311,943 km (0.11 R)
• M65: 32,546,064 km (0.112 R)
• M66: 33,133,684 km (0.101 R)
• M67: 34,678,133 km (0.085 R)
• M68: 35,821,509 km (0.1 R)
• M69: 36,003,271 km (0.097 R)
• M70: 36,428,278 km (0.115 R)
• M71: 36,855,081 km (0.101 R)
• M72: 37,222,194 km (0.114 R)
• M73: 38,207,147 km (0.069 R)
• M74: 38,392,798 km (0.106 R)
• M75: 39,138,244 km (0.115 R)
• M76: 41,086,158 km (0.094 R)
• M77: 42,359,535 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598

Radius: 8.8

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 6.02 AU - 8.16 AU

Year: 7150 Days

Day: 14.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 71,575,689 km

• M1: 126,410 km (0.087 R)
• M2: 183,407 km (0.048 R)
• M3: 412,591 km (0.11 R)
• M4: 673,190 km (0.093 R)
• M5: 1,387,670 km (0.116 R)
• M6: 1,627,625 km (0.104 R)
• M7: 1,920,986 km (0.095 R)
• M8: 1,981,723 km (0.116 R)
• M9: 2,714,603 km (0.116 R)
• M10: 3,206,032 km (0.085 R)
• M11: 3,674,423 km (0.118 R)
• M12: 4,164,206 km (0.093 R)
• M13: 5,376,248 km (0.112 R)
• M14: 5,549,632 km (0.053 R)
• M15: 5,990,946 km (0.108 R)
• M16: 6,230,901 km (0.042 R)
• M17: 6,474,147 km (0.107 R)
• M18: 6,813,734 km (0.113 R)
• M19: 7,001,480 km (0.09 R)
• M20: 7,095,876 km (0.116 R)
• M21: 7,159,156 km (0.06 R)
• M22: 7,254,300 km (0.056 R)
• M23: 7,704,141 km (0.108 R)
• M24: 7,801,679 km (0.089 R)
• M25: 8,229,229 km (0.099 R)
• M26: 8,833,904 km (0.112 R)
• M27: 8,936,079 km (0.113 R)
• M28: 9,004,445 km (0.099 R)
• M29: 9,279,556 km (0.107 R)
• M30: 9,592,365 km (0.116 R)
• M31: 9,732,538 km (0.073 R)
• M32: 9,873,310 km (0.078 R)
• M33: 10,228,306 km (0.079 R)
• M34: 10,587,490 km (0.061 R)
• M35: 11,207,723 km (0.115 R)
• M36: 11,652,627 km (0.071 R)
• M37: 11,839,774 km (0.093 R)
• M38: 12,521,491 km (0.048 R)
• M39: 12,751,573 km (0.065 R)
• M40: 13,293,865 km (0.101 R)
• M41: 13,450,195 km (0.101 R)
• M42: 13,685,812 km (0.057 R)
• M43: 13,764,650 km (0.071 R)
• M44: 14,642,041 km (0.084 R)
• M45: 14,884,539 km (0.073 R)
• M46: 16,199,804 km (0.106 R)
• M47: 16,998,357 km (0.079 R)
• M48: 17,423,814 km (0.054 R)
• M49: 18,154,898 km (0.104 R)
• M50: 20,048,957 km (0.119 R)
• M51: 20,363,113 km (0.099 R)
• M52: 20,679,063 km (0.048 R)
• M53: 20,814,898 km (0.04 R)
• M54: 20,996,510 km (0.082 R)
• M55: 22,004,949 km (0.06 R)
• M56: 22,888,474 km (0.059 R)
• M57: 23,122,894 km (0.069 R)
• M58: 24,354,683 km (0.037 R)
• M59: 24,882,315 km (0.064 R)
• M60: 25,365,217 km (0.059 R)
• M61: 25,607,715 km (0.074 R)
• M62: 26,931,207 km (0.037 R)
• M63: 27,228,308 km (0.088 R)
• M64: 27,576,273 km (0.085 R)
• M65: 28,780,536 km (0.118 R)
• M66: 29,797,203 km (0.117 R)
• M67: 32,705,834 km (0.054 R)
• M68: 32,811,301 km (0.107 R)
• M69: 33,022,832 km (0.075 R)
• M70: 33,766,334 km (0.03 R)
• M71: 34,140,179 km (0.074 R)
• M72: 34,461,814 km (0.041 R)
• M73: 34,622,931 km (0.115 R)
• M74: 35,161,932 km (0.074 R)
• M75: 35,324,096 km (0.1 R)
• M76: 35,540,864 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.3

Radius: 6.9

Gravity: 16.94 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 11.57 AU - 13.51 AU

Year: 16819 Days

Day: 19.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 71,575,689 km

• M1: 119,080 km (0.061 R)
• M2: 594,652 km (0.115 R)
• M3: 1,033,123 km (0.035 R)
• M4: 1,136,495 km (0.087 R)
• M5: 1,270,535 km (0.079 R)
• M6: 1,495,829 km (0.104 R)
• M7: 1,613,263 km (0.113 R)
• M8: 2,623,199 km (0.036 R)
• M9: 3,631,937 km (0.04 R)
• M10: 3,951,628 km (0.113 R)
• M11: 4,790,423 km (0.114 R)
• M12: 4,920,872 km (0.085 R)
• M13: 5,008,537 km (0.084 R)
• M14: 5,774,328 km (0.028 R)
• M15: 6,241,822 km (0.055 R)
• M16: 6,916,508 km (0.098 R)
• M17: 8,861,729 km (0.106 R)
• M18: 9,129,509 km (0.071 R)
• M19: 9,563,493 km (0.06 R)
• M20: 9,948,857 km (0.089 R)
• M21: 10,339,307 km (0.114 R)
• M22: 10,621,150 km (0.067 R)
• M23: 11,077,573 km (0.07 R)
• M24: 11,424,041 km (0.048 R)
• M25: 12,068,509 km (0.113 R)
• M26: 12,604,518 km (0.11 R)
• M27: 13,148,306 km (0.091 R)
• M28: 13,823,442 km (0.118 R)
• M29: 14,572,628 km (0.073 R)
• M30: 14,635,608 km (0.116 R)
• M31: 15,270,951 km (0.096 R)
• M32: 16,240,794 km (0.052 R)
• M33: 16,437,066 km (0.037 R)
• M34: 18,443,473 km (0.104 R)
• M35: 19,129,229 km (0.103 R)
• M36: 19,267,458 km (0.12 R)
• M37: 21,164,808 km (0.117 R)
• M38: 21,594,453 km (0.095 R)
• M39: 22,317,010 km (0.087 R)
• M40: 22,681,281 km (0.069 R)
• M41: 23,637,511 km (0.093 R)
• M42: 23,711,562 km (0.094 R)
• M43: 24,083,312 km (0.106 R)
• M44: 24,531,807 km (0.114 R)
• M45: 24,832,349 km (0.055 R)
• M46: 26,199,973 km (0.116 R)
• M47: 26,661,183 km (0.114 R)
• M48: 27,125,236 km (0.11 R)
• M49: 27,358,159 km (0.11 R)
• M50: 28,454,263 km (0.074 R)
• M51: 28,928,339 km (0.069 R)
• M52: 29,007,626 km (0.084 R)
• M53: 29,564,578 km (0.114 R)
• M54: 30,285,790 km (0.108 R)
• M55: 30,527,540 km (0.094 R)
• M56: 31,337,912 km (0.078 R)
• M57: 31,419,293 km (0.069 R)
• M58: 31,745,715 km (0.114 R)
• M59: 34,229,190 km (0.09 R)
• M60: 36,431,569 km (0.076 R)
• M61: 36,774,448 km (0.067 R)
• M62: 37,896,133 km (0.058 R)
• M63: 37,982,899 km (0.112 R)
• M64: 38,243,648 km (0.066 R)
• M65: 39,029,187 km (0.082 R)
• M66: 39,292,180 km (0.076 R)
• M67: 39,467,808 km (0.053 R)
• M68: 39,819,961 km (0.112 R)
• M69: 40,261,724 km (0.034 R)
• M70: 44,217,540 km (0.042 R)
• M71: 45,317,833 km (0.031 R)
• M72: 45,963,796 km (0.077 R)
• M73: 46,056,248 km (0.057 R)
• M74: 46,984,951 km (0.093 R)
• M75: 47,919,788 km (0.081 R)
• M76: 48,295,429 km (0.1 R)
• M77: 48,577,869 km (0.101 R)
• M78: 48,672,116 km (0.11 R)
• M79: 49,238,942 km (0.09 R)
• M80: 51,431,748 km (0.032 R)
• M81: 51,720,173 km (0.11 R)
• M82: 52,878,958 km (0.114 R)
• M83: 53,170,075 km (0.107 R)
• M84: 54,143,957 km (0.074 R)
• M85: 54,731,279 km (0.098 R)
• M86: 55,222,259 km (0.099 R)
• M87: 55,418,980 km (0.119 R)
• M88: 56,010,789 km (0.113 R)
• M89: 56,604,693 km (0.09 R)
• M90: 60,009,241 km (0.069 R)
• M91: 60,211,647 km (0.097 R)
• M92: 61,328,545 km (0.096 R)
• M93: 62,452,174 km (0.115 R)
• M94: 63,479,612 km (0.114 R)
• M95: 68,699,980 km (0.116 R)
• M96: 70,719,551 km (0.089 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 16,392 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit