🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.5 AU - 0.82 AU

Year: 189 Days

Day: 34.2 Hours

Environment

Temp: 167 °C

Axial Tilt: 41.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,359,966 km

• M1: 373,097 km (0.064 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.84 AU - 1.04 AU

Year: 322 Days

Day: 23.4 Hours

Environment

Temp: 108 °C

Axial Tilt: 20.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.49 AU - 3.31 AU

Year: 1744 Days

Day: 45.9 Hours

Environment

Temp: -87 °C

Axial Tilt: 121.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,359,966 km

• M1: 863,629 km (0.081 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.71 AU - 4.91 AU

Year: 3725 Days

Day: 27.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 22.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,359,966 km

• M1: 164,558 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.9

Radius: 13.8

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.1 AU - 6.14 AU

Year: 4704 Days

Day: 9.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 53,359,966 km

• M1: 194,627 km (0.09 R)
• M2: 291,267 km (0.092 R)
• M3: 379,231 km (0.108 R)
• M4: 519,254 km (0.066 R)
• M5: 703,260 km (0.084 R)
• M6: 985,850 km (0.092 R)
• M7: 1,209,050 km (0.078 R)
• M8: 1,306,139 km (0.114 R)
• M9: 1,493,735 km (0.089 R)
• M10: 1,784,703 km (0.05 R)
• M11: 2,027,650 km (0.046 R)
• M12: 2,144,785 km (0.096 R)
• M13: 2,915,064 km (0.086 R)
• M14: 3,320,923 km (0.107 R)
• M15: 3,420,256 km (0.115 R)
• M16: 3,540,832 km (0.08 R)
• M17: 3,869,349 km (0.119 R)
• M18: 4,490,180 km (0.089 R)
• M19: 5,211,691 km (0.082 R)
• M20: 6,090,877 km (0.087 R)
• M21: 6,213,248 km (0.027 R)
• M22: 6,336,367 km (0.109 R)
• M23: 6,685,828 km (0.117 R)
• M24: 7,508,018 km (0.031 R)
• M25: 8,172,681 km (0.104 R)
• M26: 8,635,537 km (0.1 R)
• M27: 8,800,992 km (0.105 R)
• M28: 9,023,145 km (0.104 R)
• M29: 9,586,830 km (0.091 R)
• M30: 9,700,973 km (0.084 R)
• M31: 9,844,288 km (0.104 R)
• M32: 10,395,257 km (0.063 R)
• M33: 10,748,457 km (0.094 R)
• M34: 10,956,398 km (0.062 R)
• M35: 11,225,675 km (0.1 R)
• M36: 11,527,414 km (0.051 R)
• M37: 13,107,616 km (0.098 R)
• M38: 14,101,245 km (0.087 R)
• M39: 14,426,919 km (0.111 R)
• M40: 14,557,967 km (0.085 R)
• M41: 14,788,049 km (0.038 R)
• M42: 14,986,415 km (0.095 R)
• M43: 15,318,822 km (0.1 R)
• M44: 15,519,433 km (0.028 R)
• M45: 15,855,729 km (0.11 R)
• M46: 16,433,027 km (0.09 R)
• M47: 17,294,561 km (0.094 R)
• M48: 17,503,400 km (0.109 R)
• M49: 17,783,447 km (0.089 R)
• M50: 17,994,230 km (0.091 R)
• M51: 18,206,061 km (0.098 R)
• M52: 18,489,698 km (0.115 R)
• M53: 18,703,324 km (0.111 R)
• M54: 19,205,225 km (0.111 R)
• M55: 19,385,490 km (0.116 R)
• M56: 19,638,909 km (0.117 R)
• M57: 19,747,817 km (0.118 R)
• M58: 19,893,375 km (0.102 R)
• M59: 20,039,233 km (0.074 R)
• M60: 21,107,661 km (0.047 R)
• M61: 21,705,155 km (0.084 R)
• M62: 21,817,802 km (0.103 R)
• M63: 21,968,298 km (0.04 R)
• M64: 22,878,451 km (0.12 R)
• M65: 23,031,490 km (0.108 R)
• M66: 23,146,381 km (0.088 R)
• M67: 23,415,208 km (0.048 R)
• M68: 24,072,392 km (0.103 R)
• M69: 24,971,325 km (0.098 R)
• M70: 26,721,471 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.7

Radius: 14.9

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.36 AU - 7.7 AU

Year: 5892 Days

Day: 7.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 53,359,966 km

• M1: 186,399 km (0.112 R)
• M2: 349,760 km (0.082 R)
• M3: 476,619 km (0.065 R)
• M4: 601,383 km (0.092 R)
• M5: 793,916 km (0.09 R)
• M6: 906,114 km (0.104 R)
• M7: 2,103,047 km (0.063 R)
• M8: 2,306,201 km (0.104 R)
• M9: 2,537,479 km (0.069 R)
• M10: 2,666,881 km (0.073 R)
• M11: 2,820,817 km (0.045 R)
• M12: 3,184,041 km (0.084 R)
• M13: 3,659,463 km (0.113 R)
• M14: 4,005,932 km (0.055 R)
• M15: 4,311,411 km (0.084 R)
• M16: 4,651,297 km (0.108 R)
• M17: 5,163,670 km (0.113 R)
• M18: 5,357,100 km (0.107 R)
• M19: 5,552,923 km (0.115 R)
• M20: 5,865,583 km (0.09 R)
• M21: 6,538,025 km (0.037 R)
• M22: 8,083,671 km (0.102 R)
• M23: 8,179,862 km (0.105 R)
• M24: 8,276,502 km (0.117 R)
• M25: 8,666,953 km (0.058 R)
• M26: 8,996,966 km (0.117 R)
• M27: 9,398,486 km (0.116 R)
• M28: 10,323,300 km (0.095 R)
• M29: 10,462,875 km (0.101 R)
• M30: 10,779,125 km (0.12 R)
• M31: 11,710,372 km (0.077 R)
• M32: 11,965,436 km (0.07 R)
• M33: 12,407,199 km (0.089 R)
• M34: 13,155,338 km (0.036 R)
• M35: 13,458,722 km (0.098 R)
• M36: 13,802,797 km (0.106 R)
• M37: 13,918,137 km (0.032 R)
• M38: 14,931,363 km (0.082 R)
• M39: 15,287,556 km (0.081 R)
• M40: 16,089,401 km (0.088 R)
• M41: 16,577,090 km (0.095 R)
• M42: 17,152,144 km (0.091 R)
• M43: 17,359,187 km (0.03 R)
• M44: 17,901,330 km (0.104 R)
• M45: 18,111,216 km (0.065 R)
• M46: 18,491,344 km (0.119 R)
• M47: 19,130,576 km (0.119 R)
• M48: 19,604,053 km (0.067 R)
• M49: 20,694,472 km (0.062 R)
• M50: 21,047,523 km (0.108 R)
• M51: 21,358,088 km (0.046 R)
• M52: 21,804,488 km (0.118 R)
• M53: 21,938,977 km (0.09 R)
• M54: 22,073,764 km (0.115 R)
• M55: 22,344,237 km (0.094 R)
• M56: 23,070,684 km (0.062 R)
• M57: 23,897,213 km (0.064 R)
• M58: 24,175,016 km (0.064 R)
• M59: 24,546,916 km (0.063 R)
• M60: 24,686,790 km (0.075 R)
• M61: 25,816,105 km (0.112 R)
• M62: 26,387,120 km (0.053 R)
• M63: 26,482,713 km (0.111 R)
• M64: 26,578,306 km (0.109 R)
• M65: 27,784,065 km (0.028 R)
• M66: 28,663,401 km (0.093 R)
• M67: 31,913,714 km (0.097 R)
• M68: 32,015,590 km (0.115 R)
• M69: 32,168,629 km (0.036 R)
• M70: 32,629,091 km (0.069 R)
• M71: 32,783,027 km (0.099 R)
• M72: 32,988,574 km (0.086 R)
• M73: 33,867,462 km (0.079 R)
• M74: 34,701,769 km (0.074 R)
• M75: 34,858,847 km (0.099 R)
• M76: 34,963,865 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.9

Radius: 8.3

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.64 AU - 9.06 AU

Year: 7036 Days

Day: 11.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 53,359,966 km

• M1: 106,214 km (0.087 R)
• M2: 268,528 km (0.116 R)
• M3: 401,820 km (0.076 R)
• M4: 595,250 km (0.105 R)
• M5: 683,812 km (0.059 R)
• M6: 818,600 km (0.079 R)
• M7: 1,193,941 km (0.061 R)
• M8: 1,951,803 km (0.091 R)
• M9: 2,106,936 km (0.109 R)
• M10: 2,408,675 km (0.114 R)
• M11: 3,008,413 km (0.089 R)
• M12: 3,511,062 km (0.099 R)
• M13: 3,844,516 km (0.084 R)
• M14: 3,941,754 km (0.083 R)
• M15: 4,238,108 km (0.107 R)
• M16: 4,878,835 km (0.027 R)
• M17: 5,197,180 km (0.057 R)
• M18: 5,632,210 km (0.069 R)
• M19: 6,335,021 km (0.048 R)
• M20: 7,244,726 km (0.062 R)
• M21: 7,425,590 km (0.105 R)
• M22: 7,638,467 km (0.088 R)
• M23: 7,699,653 km (0.064 R)
• M24: 7,853,290 km (0.106 R)
• M25: 7,976,858 km (0.11 R)
• M26: 8,194,971 km (0.105 R)
• M27: 9,675,691 km (0.111 R)
• M28: 9,741,963 km (0.084 R)
• M29: 10,176,246 km (0.111 R)
• M30: 10,378,801 km (0.116 R)
• M31: 10,685,178 km (0.063 R)
• M32: 12,154,079 km (0.034 R)
• M33: 12,333,148 km (0.11 R)
• M34: 12,585,220 km (0.111 R)
• M35: 12,657,625 km (0.046 R)
• M36: 12,766,383 km (0.097 R)
• M37: 13,094,750 km (0.073 R)
• M38: 13,610,863 km (0.096 R)
• M39: 14,171,257 km (0.076 R)
• M40: 14,435,447 km (0.105 R)
• M41: 15,276,187 km (0.067 R)
• M42: 15,663,495 km (0.097 R)
• M43: 16,093,440 km (0.097 R)
• M44: 16,566,767 km (0.09 R)
• M45: 17,486,794 km (0.066 R)
• M46: 17,973,436 km (0.072 R)
• M47: 18,177,488 km (0.116 R)
• M48: 18,423,427 km (0.089 R)
• M49: 19,084,500 km (0.091 R)
• M50: 19,376,215 km (0.068 R)
• M51: 19,964,135 km (0.119 R)
• M52: 20,090,844 km (0.05 R)
• M53: 21,028,374 km (0.095 R)
• M54: 21,114,243 km (0.08 R)
• M55: 21,243,346 km (0.119 R)
• M56: 21,415,982 km (0.085 R)
• M57: 21,545,684 km (0.065 R)
• M58: 21,805,984 km (0.097 R)
• M59: 23,122,744 km (0.111 R)
• M60: 23,746,119 km (0.07 R)
• M61: 24,329,850 km (0.104 R)
• M62: 25,145,906 km (0.081 R)
• M63: 25,282,788 km (0.059 R)
• M64: 25,832,860 km (0.069 R)
• M65: 26,572,322 km (0.099 R)
• M66: 26,665,372 km (0.115 R)
• M67: 27,741,728 km (0.069 R)
• M68: 27,883,248 km (0.102 R)
• M69: 28,166,885 km (0.119 R)
• M70: 28,356,426 km (0.082 R)
• M71: 28,832,446 km (0.106 R)
• M72: 29,743,797 km (0.118 R)
• M73: 30,082,037 km (0.025 R)
• M74: 30,373,005 km (0.084 R)
• M75: 30,762,259 km (0.11 R)
• M76: 31,153,308 km (0.112 R)
• M77: 31,349,281 km (0.089 R)
• M78: 31,644,288 km (0.097 R)
• M79: 32,385,695 km (0.069 R)
• M80: 33,182,752 km (0.066 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.4

Radius: 13.2

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.67 AU - 11.99 AU

Year: 10882 Days

Day: 7.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 53,359,966 km

• M1: 171,589 km (0.061 R)
• M2: 437,275 km (0.118 R)
• M3: 599,139 km (0.112 R)
• M4: 751,879 km (0.087 R)
• M5: 901,926 km (0.117 R)
• M6: 990,039 km (0.1 R)
• M7: 1,583,643 km (0.056 R)
• M8: 1,826,740 km (0.058 R)
• M9: 1,941,332 km (0.1 R)
• M10: 2,202,230 km (0.12 R)
• M11: 2,300,067 km (0.12 R)
• M12: 2,732,555 km (0.108 R)
• M13: 3,443,145 km (0.07 R)
• M14: 3,790,212 km (0.082 R)
• M15: 4,027,923 km (0.104 R)
• M16: 4,362,872 km (0.09 R)
• M17: 4,580,836 km (0.117 R)
• M18: 4,675,382 km (0.083 R)
• M19: 4,898,582 km (0.028 R)
• M20: 5,792,130 km (0.108 R)
• M21: 6,915,910 km (0.085 R)
• M22: 7,280,779 km (0.104 R)
• M23: 7,391,481 km (0.086 R)
• M24: 7,689,480 km (0.061 R)
• M25: 8,413,235 km (0.114 R)
• M26: 8,802,788 km (0.084 R)
• M27: 8,999,957 km (0.079 R)
• M28: 9,278,359 km (0.114 R)
• M29: 9,559,603 km (0.089 R)
• M30: 9,884,530 km (0.085 R)
• M31: 10,503,416 km (0.084 R)
• M32: 10,712,554 km (0.07 R)
• M33: 11,735,803 km (0.065 R)
• M34: 11,822,421 km (0.115 R)
• M35: 12,215,115 km (0.115 R)
• M36: 14,613,767 km (0.1 R)
• M37: 14,707,116 km (0.033 R)
• M38: 14,847,439 km (0.095 R)
• M39: 15,035,334 km (0.09 R)
• M40: 15,271,250 km (0.104 R)
• M41: 15,938,307 km (0.115 R)
• M42: 17,301,143 km (0.076 R)
• M43: 17,996,474 km (0.104 R)
• M44: 18,650,367 km (0.071 R)
• M45: 19,056,674 km (0.1 R)
• M46: 19,414,512 km (0.099 R)
• M47: 19,568,598 km (0.081 R)
• M48: 20,553,850 km (0.078 R)
• M49: 20,868,305 km (0.102 R)
• M50: 21,184,405 km (0.106 R)
• M51: 21,555,258 km (0.081 R)
• M52: 22,088,724 km (0.087 R)
• M53: 22,518,519 km (0.054 R)
• M54: 23,769,905 km (0.079 R)
• M55: 23,879,710 km (0.076 R)
• M56: 24,542,578 km (0.077 R)
• M57: 25,099,531 km (0.116 R)
• M58: 27,024,407 km (0.067 R)
• M59: 28,528,164 km (0.039 R)
• M60: 29,113,840 km (0.07 R)
• M61: 29,231,424 km (0.072 R)
• M62: 30,118,539 km (0.025 R)
• M63: 30,595,158 km (0.12 R)
• M64: 33,077,436 km (0.115 R)
• M65: 33,877,934 km (0.091 R)
• M66: 35,812,384 km (0.027 R)
• M67: 36,952,170 km (0.056 R)
• M68: 37,207,085 km (0.088 R)
• M69: 37,334,692 km (0.107 R)
• M70: 37,910,943 km (0.109 R)
• M71: 38,683,915 km (0.109 R)
• M72: 39,527,198 km (0.04 R)
• M73: 40,704,683 km (0.069 R)
• M74: 41,562,328 km (0.053 R)
• M75: 42,226,093 km (0.113 R)
• M76: 43,161,379 km (0.081 R)
• M77: 44,103,397 km (0.032 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 165.1

Radius: 5.8

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 15.41 AU - 17.83 AU

Year: 23925 Days

Day: 23.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 53,359,966 km

• M1: 96,939 km (0.06 R)
• M2: 151,094 km (0.066 R)
• M3: 704,008 km (0.032 R)
• M4: 1,911,113 km (0.108 R)
• M5: 2,123,243 km (0.118 R)
• M6: 2,774,293 km (0.059 R)
• M7: 3,075,433 km (0.105 R)
• M8: 3,355,480 km (0.12 R)
• M9: 3,973,170 km (0.047 R)
• M10: 4,243,792 km (0.093 R)
• M11: 4,312,308 km (0.051 R)
• M12: 4,485,393 km (0.087 R)
• M13: 4,590,261 km (0.12 R)
• M14: 4,696,027 km (0.114 R)
• M15: 4,838,294 km (0.07 R)
• M16: 5,759,368 km (0.112 R)
• M17: 6,573,929 km (0.098 R)
• M18: 6,653,365 km (0.045 R)
• M19: 7,177,556 km (0.091 R)
• M20: 7,548,260 km (0.077 R)
• M21: 7,714,912 km (0.093 R)
• M22: 8,697,171 km (0.095 R)
• M23: 9,537,911 km (0.069 R)
• M24: 9,899,639 km (0.073 R)
• M25: 10,870,529 km (0.12 R)
• M26: 12,113,837 km (0.089 R)
• M27: 12,505,484 km (0.05 R)
• M28: 12,653,287 km (0.065 R)
• M29: 12,702,804 km (0.072 R)
• M30: 12,752,321 km (0.064 R)
• M31: 13,704,960 km (0.086 R)
• M32: 13,959,426 km (0.098 R)
• M33: 14,266,850 km (0.088 R)
• M34: 14,421,534 km (0.053 R)
• M35: 14,628,428 km (0.116 R)
• M36: 15,518,984 km (0.071 R)
• M37: 15,890,735 km (0.117 R)
• M38: 16,158,066 km (0.058 R)
• M39: 16,480,898 km (0.113 R)
• M40: 16,860,129 km (0.083 R)
• M41: 17,132,846 km (0.065 R)
• M42: 17,627,267 km (0.117 R)
• M43: 17,848,672 km (0.108 R)
• M44: 18,126,475 km (0.066 R)
• M45: 18,630,320 km (0.118 R)
• M46: 18,742,968 km (0.099 R)
• M47: 19,082,106 km (0.104 R)
• M48: 20,516,750 km (0.116 R)
• M49: 23,732,057 km (0.03 R)
• M50: 23,792,943 km (0.077 R)
• M51: 23,976,350 km (0.092 R)
• M52: 25,334,998 km (0.116 R)
• M53: 26,275,669 km (0.073 R)
• M54: 27,291,588 km (0.109 R)
• M55: 27,355,467 km (0.095 R)
• M56: 27,611,728 km (0.069 R)
• M57: 28,061,868 km (0.111 R)
• M58: 28,514,551 km (0.119 R)
• M59: 29,100,077 km (0.072 R)
• M60: 30,880,441 km (0.046 R)
• M61: 30,947,012 km (0.099 R)
• M62: 31,481,675 km (0.058 R)
• M63: 31,817,373 km (0.052 R)
• M64: 31,951,861 km (0.114 R)
• M65: 32,899,414 km (0.119 R)
• M66: 33,308,415 km (0.093 R)
• M67: 34,269,132 km (0.102 R)
• M68: 34,545,290 km (0.103 R)
• M69: 35,866,987 km (0.118 R)
• M70: 36,358,117 km (0.12 R)
• M71: 36,710,270 km (0.11 R)
• M72: 37,205,290 km (0.068 R)
• M73: 39,207,059 km (0.108 R)
• M74: 39,712,999 km (0.074 R)
• M75: 40,148,329 km (0.081 R)
• M76: 40,221,033 km (0.039 R)
• M77: 40,366,592 km (0.113 R)
• M78: 41,243,535 km (0.045 R)
• M79: 41,390,290 km (0.118 R)
• M80: 41,610,797 km (0.108 R)
• M81: 41,758,002 km (0.06 R)
• M82: 42,200,811 km (0.116 R)
• M83: 42,942,069 km (0.065 R)
• M84: 43,388,768 km (0.05 R)
• M85: 43,912,061 km (0.111 R)
• M86: 47,709,753 km (0.078 R)
• M87: 48,947,077 km (0.046 R)
• M88: 49,335,882 km (0.028 R)
• M89: 49,725,734 km (0.105 R)
• M90: 49,960,154 km (0.076 R)
• M91: 50,744,047 km (0.084 R)
• M92: 51,532,128 km (0.115 R)
• M93: 52,403,685 km (0.118 R)
• M94: 52,721,730 km (0.067 R)

Kuiper Belt

Range: 31.1 - 46.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 13,542 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit