🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.52 AU - 0.8 AU

Year: 197 Days

Day: 39.8 Hours

Environment

Temp: 164 °C

Axial Tilt: 16.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 61,132,707 km

• M1: 50,564 km (0.084 R)
• M2: 72,555 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.34

Radius: 1.12

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.46 AU - 1.48 AU

Year: 654 Days

Day: 46.8 Hours

Environment

Temp: -44 °C

Axial Tilt: 25.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 61,132,707 km

• M1: 563,086 km (0.115 R)
• M2: 938,128 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.67 AU - 2.75 AU

Year: 1206 Days

Day: 47.3 Hours

Environment

Temp: -82 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 3.28 AU - 4.82 AU

Year: 2992 Days

Day: 32.6 Hours

Environment

Temp: -121 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 61,132,707 km

• M1: 488,437 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.3

Radius: 10

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.38 AU - 5.38 AU

Year: 4581 Days

Day: 9 Hours

Environment

Temp: -145 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 61,132,707 km

• M1: 134,638 km (0.107 R)
• M2: 206,595 km (0.094 R)
• M3: 275,410 km (0.073 R)
• M4: 383,569 km (0.063 R)
• M5: 468,989 km (0.083 R)
• M6: 617,241 km (0.025 R)
• M7: 733,329 km (0.101 R)
• M8: 857,495 km (0.097 R)
• M9: 922,271 km (0.099 R)
• M10: 1,029,832 km (0.083 R)
• M11: 1,598,304 km (0.078 R)
• M12: 1,679,685 km (0.043 R)
• M13: 2,362,599 km (0.118 R)
• M14: 2,512,646 km (0.1 R)
• M15: 2,763,222 km (0.091 R)
• M16: 3,330,497 km (0.088 R)
• M17: 3,823,273 km (0.085 R)
• M18: 4,067,117 km (0.083 R)
• M19: 4,224,943 km (0.073 R)
• M20: 4,593,403 km (0.106 R)
• M21: 4,829,019 km (0.107 R)
• M22: 5,092,760 km (0.097 R)
• M23: 5,189,849 km (0.054 R)
• M24: 5,385,972 km (0.1 R)
• M25: 5,684,719 km (0.111 R)
• M26: 6,560,315 km (0.118 R)
• M27: 6,639,602 km (0.04 R)
• M28: 7,340,319 km (0.109 R)
• M29: 8,781,993 km (0.056 R)
• M30: 8,928,001 km (0.099 R)
• M31: 9,015,964 km (0.101 R)
• M32: 9,133,698 km (0.044 R)
• M33: 9,252,030 km (0.046 R)
• M34: 9,460,270 km (0.1 R)
• M35: 9,881,388 km (0.079 R)
• M36: 11,307,804 km (0.075 R)
• M37: 11,594,433 km (0.114 R)
• M38: 12,077,485 km (0.111 R)
• M39: 12,142,410 km (0.036 R)
• M40: 12,864,070 km (0.103 R)
• M41: 12,996,764 km (0.111 R)
• M42: 13,734,730 km (0.115 R)
• M43: 13,972,441 km (0.063 R)
• M44: 14,177,241 km (0.069 R)
• M45: 14,245,756 km (0.1 R)
• M46: 14,451,902 km (0.09 R)
• M47: 15,780,331 km (0.038 R)
• M48: 16,100,770 km (0.119 R)
• M49: 16,531,163 km (0.104 R)
• M50: 17,038,300 km (0.114 R)
• M51: 17,111,154 km (0.077 R)
• M52: 17,513,722 km (0.095 R)
• M53: 18,067,683 km (0.116 R)
• M54: 18,552,380 km (0.115 R)
• M55: 19,382,499 km (0.096 R)
• M56: 19,725,676 km (0.079 R)
• M57: 19,955,458 km (0.1 R)
• M58: 20,109,245 km (0.091 R)
• M59: 20,379,120 km (0.091 R)
• M60: 20,456,611 km (0.094 R)
• M61: 20,650,340 km (0.11 R)
• M62: 20,844,818 km (0.107 R)
• M63: 21,353,151 km (0.099 R)
• M64: 21,471,034 km (0.053 R)
• M65: 21,549,872 km (0.095 R)
• M66: 21,668,055 km (0.073 R)
• M67: 22,063,891 km (0.088 R)
• M68: 22,542,006 km (0.115 R)
• M69: 23,833,484 km (0.075 R)
• M70: 23,996,695 km (0.053 R)
• M71: 24,078,376 km (0.113 R)
• M72: 24,160,206 km (0.111 R)
• M73: 24,447,134 km (0.096 R)
• M74: 24,817,838 km (0.115 R)
• M75: 25,983,056 km (0.061 R)
• M76: 26,235,128 km (0.06 R)
• M77: 26,319,352 km (0.051 R)
• M78: 26,403,575 km (0.083 R)
• M79: 26,783,853 km (0.109 R)
• M80: 27,293,832 km (0.046 R)
• M81: 28,237,047 km (0.12 R)
• M82: 28,409,683 km (0.071 R)
• M83: 28,539,384 km (0.103 R)
• M84: 28,799,535 km (0.1 R)
• M85: 29,060,284 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.5

Radius: 9

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 7.3 AU - 7.48 AU

Year: 7375 Days

Day: 5.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 61,132,707 km

• M1: 218,114 km (0.096 R)
• M2: 297,251 km (0.103 R)
• M3: 368,310 km (0.085 R)
• M4: 470,336 km (0.045 R)
• M5: 822,190 km (0.042 R)
• M6: 1,042,248 km (0.093 R)
• M7: 1,407,417 km (0.074 R)
• M8: 1,537,866 km (0.107 R)
• M9: 1,790,986 km (0.058 R)
• M10: 2,184,727 km (0.079 R)
• M11: 2,424,981 km (0.09 R)
• M12: 2,650,874 km (0.086 R)
• M13: 2,836,675 km (0.11 R)
• M14: 3,245,526 km (0.112 R)
• M15: 3,444,491 km (0.11 R)
• M16: 4,145,207 km (0.077 R)
• M17: 4,748,236 km (0.116 R)
• M18: 5,088,871 km (0.095 R)
• M19: 5,320,299 km (0.047 R)
• M20: 5,378,642 km (0.084 R)
• M21: 5,525,697 km (0.089 R)
• M22: 6,065,745 km (0.093 R)
• M23: 6,249,601 km (0.077 R)
• M24: 6,748,809 km (0.076 R)
• M25: 7,003,275 km (0.082 R)
• M26: 7,390,883 km (0.112 R)
• M27: 8,018,745 km (0.101 R)
• M28: 8,322,279 km (0.025 R)
• M29: 8,492,372 km (0.089 R)
• M30: 8,836,297 km (0.104 R)
• M31: 10,660,344 km (0.067 R)
• M32: 11,519,784 km (0.102 R)
• M33: 12,401,514 km (0.06 R)
• M34: 12,909,548 km (0.118 R)
• M35: 14,433,053 km (0.099 R)
• M36: 14,802,111 km (0.096 R)
• M37: 15,340,813 km (0.103 R)
• M38: 15,549,801 km (0.093 R)
• M39: 15,928,134 km (0.069 R)
• M40: 16,394,730 km (0.111 R)
• M41: 16,522,786 km (0.097 R)
• M42: 17,384,918 km (0.057 R)
• M43: 18,483,116 km (0.077 R)
• M44: 18,660,838 km (0.107 R)
• M45: 19,694,111 km (0.07 R)
• M46: 19,784,767 km (0.081 R)
• M47: 20,149,188 km (0.055 R)
• M48: 21,255,314 km (0.093 R)
• M49: 21,581,737 km (0.065 R)
• M50: 22,286,642 km (0.105 R)
• M51: 22,570,728 km (0.108 R)
• M52: 23,574,380 km (0.053 R)
• M53: 23,912,322 km (0.107 R)
• M54: 24,300,229 km (0.108 R)
• M55: 24,495,155 km (0.053 R)
• M56: 24,984,340 km (0.1 R)
• M57: 26,122,032 km (0.077 R)
• M58: 26,321,596 km (0.113 R)
• M59: 26,571,723 km (0.053 R)
• M60: 27,276,329 km (0.112 R)
• M61: 27,428,171 km (0.073 R)
• M62: 28,089,244 km (0.112 R)
• M63: 28,704,091 km (0.105 R)
• M64: 29,064,922 km (0.113 R)
• M65: 30,208,298 km (0.063 R)
• M66: 30,627,770 km (0.1 R)
• M67: 31,684,829 km (0.103 R)
• M68: 32,807,561 km (0.076 R)
• M69: 33,401,016 km (0.096 R)
• M70: 33,563,329 km (0.102 R)
• M71: 34,052,215 km (0.11 R)
• M72: 34,707,753 km (0.054 R)
• M73: 34,927,213 km (0.041 R)
• M74: 35,422,532 km (0.03 R)
• M75: 36,197,748 km (0.057 R)
• M76: 36,309,049 km (0.075 R)
• M77: 37,090,548 km (0.043 R)
• M78: 37,146,647 km (0.054 R)
• M79: 37,258,846 km (0.075 R)
• M80: 37,371,044 km (0.089 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.4

Radius: 14.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 6.78 AU - 10.98 AU

Year: 9714 Days

Day: 13.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 61,132,707 km

• M1: 240,404 km (0.108 R)
• M2: 356,043 km (0.113 R)
• M3: 587,920 km (0.093 R)
• M4: 731,982 km (0.104 R)
• M5: 877,242 km (0.115 R)
• M6: 993,479 km (0.057 R)
• M7: 1,498,372 km (0.094 R)
• M8: 1,592,769 km (0.078 R)
• M9: 1,821,354 km (0.076 R)
• M10: 1,991,447 km (0.072 R)
• M11: 2,131,620 km (0.099 R)
• M12: 2,496,639 km (0.118 R)
• M13: 2,882,003 km (0.109 R)
• M14: 3,453,766 km (0.027 R)
• M15: 3,862,019 km (0.089 R)
• M16: 4,128,153 km (0.078 R)
• M17: 4,400,272 km (0.047 R)
• M18: 5,130,609 km (0.084 R)
• M19: 5,276,317 km (0.099 R)
• M20: 5,374,304 km (0.078 R)
• M21: 5,597,055 km (0.064 R)
• M22: 6,231,798 km (0.084 R)
• M23: 6,439,740 km (0.081 R)
• M24: 6,650,074 km (0.044 R)
• M25: 6,889,580 km (0.117 R)
• M26: 7,131,779 km (0.037 R)
• M27: 7,431,723 km (0.104 R)
• M28: 7,791,655 km (0.105 R)
• M29: 8,044,326 km (0.097 R)
• M30: 8,528,724 km (0.053 R)
• M31: 8,731,130 km (0.04 R)
• M32: 9,556,162 km (0.109 R)
• M33: 9,796,566 km (0.07 R)
• M34: 9,978,178 km (0.119 R)
• M35: 10,191,505 km (0.083 R)
• M36: 10,283,358 km (0.093 R)
• M37: 10,622,646 km (0.063 R)
• M38: 10,996,939 km (0.117 R)
• M39: 11,280,577 km (0.069 R)
• M40: 12,636,233 km (0.092 R)
• M41: 12,900,273 km (0.087 R)
• M42: 13,669,655 km (0.073 R)
• M43: 13,838,850 km (0.105 R)
• M44: 14,488,255 km (0.072 R)
• M45: 14,868,832 km (0.107 R)
• M46: 14,973,251 km (0.114 R)
• M47: 15,675,314 km (0.094 R)
• M48: 16,604,017 km (0.077 R)
• M49: 16,712,326 km (0.081 R)
• M50: 16,929,692 km (0.104 R)
• M51: 17,220,959 km (0.114 R)
• M52: 17,330,614 km (0.102 R)
• M53: 18,290,733 km (0.09 R)
• M54: 19,116,663 km (0.084 R)
• M55: 19,458,045 km (0.082 R)
• M56: 19,993,157 km (0.046 R)
• M57: 20,146,944 km (0.111 R)
• M58: 20,416,968 km (0.112 R)
• M59: 21,038,846 km (0.106 R)
• M60: 22,620,544 km (0.072 R)
• M61: 24,651,036 km (0.059 R)
• M62: 24,774,754 km (0.109 R)
• M63: 24,981,348 km (0.091 R)
• M64: 25,521,247 km (0.078 R)
• M65: 25,646,311 km (0.113 R)
• M66: 26,781,759 km (0.073 R)
• M67: 27,419,644 km (0.109 R)
• M68: 28,062,466 km (0.108 R)
• M69: 28,277,887 km (0.093 R)
• M70: 28,927,441 km (0.06 R)
• M71: 29,101,423 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215.2

Radius: 4.8

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 11.78 AU - 14.46 AU

Year: 17445 Days

Day: 19.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 61,132,707 km

• M1: 292,613 km (0.059 R)
• M2: 342,430 km (0.113 R)
• M3: 381,774 km (0.064 R)
• M4: 684,709 km (0.083 R)
• M5: 933,192 km (0.076 R)
• M6: 1,067,381 km (0.08 R)
• M7: 1,207,853 km (0.106 R)
• M8: 2,373,071 km (0.097 R)
• M9: 3,021,578 km (0.112 R)
• M10: 4,533,563 km (0.084 R)
• M11: 4,761,251 km (0.116 R)
• M12: 4,926,258 km (0.044 R)
• M13: 4,959,469 km (0.088 R)
• M14: 6,420,591 km (0.117 R)
• M15: 7,159,754 km (0.111 R)
• M16: 7,273,000 km (0.12 R)
• M17: 7,616,177 km (0.101 R)
• M18: 7,809,009 km (0.104 R)
• M19: 7,925,546 km (0.095 R)
• M20: 8,160,414 km (0.117 R)
• M21: 8,556,699 km (0.089 R)
• M22: 8,797,552 km (0.07 R)
• M23: 9,122,179 km (0.092 R)
• M24: 9,409,556 km (0.081 R)
• M25: 10,459,434 km (0.102 R)
• M26: 11,457,701 km (0.117 R)
• M27: 11,723,237 km (0.072 R)
• M28: 11,990,569 km (0.07 R)
• M29: 12,713,575 km (0.05 R)
• M30: 13,918,287 km (0.099 R)
• M31: 15,890,585 km (0.065 R)
• M32: 17,438,773 km (0.115 R)
• M33: 17,795,116 km (0.042 R)
• M34: 17,948,453 km (0.064 R)
• M35: 18,462,920 km (0.078 R)
• M36: 18,930,264 km (0.101 R)
• M37: 19,191,462 km (0.097 R)
• M38: 19,876,171 km (0.111 R)
• M39: 20,676,371 km (0.062 R)
• M40: 20,999,352 km (0.048 R)
• M41: 21,107,362 km (0.057 R)
• M42: 21,978,171 km (0.04 R)
• M43: 22,252,683 km (0.115 R)
• M44: 22,971,800 km (0.068 R)
• M45: 23,083,251 km (0.07 R)
• M46: 23,362,251 km (0.104 R)
• M47: 23,867,443 km (0.117 R)
• M48: 24,206,132 km (0.093 R)
• M49: 25,404,262 km (0.108 R)
• M50: 25,461,857 km (0.067 R)
• M51: 25,577,047 km (0.114 R)
• M52: 25,750,132 km (0.077 R)
• M53: 26,972,945 km (0.089 R)
• M54: 28,812,251 km (0.041 R)
• M55: 30,020,254 km (0.063 R)
• M56: 30,385,871 km (0.112 R)
• M57: 30,446,907 km (0.07 R)
• M58: 30,630,463 km (0.076 R)
• M59: 32,735,455 km (0.026 R)
• M60: 33,552,558 km (0.112 R)
• M61: 33,932,088 km (0.044 R)
• M62: 34,122,227 km (0.088 R)
• M63: 34,249,236 km (0.077 R)
• M64: 34,312,815 km (0.102 R)
• M65: 35,206,961 km (0.11 R)
• M66: 35,335,316 km (0.107 R)
• M67: 36,043,961 km (0.117 R)
• M68: 36,108,737 km (0.112 R)
• M69: 36,238,139 km (0.037 R)
• M70: 39,991,400 km (0.066 R)
• M71: 40,125,290 km (0.082 R)
• M72: 41,202,096 km (0.082 R)
• M73: 41,337,332 km (0.071 R)
• M74: 41,472,718 km (0.093 R)
• M75: 42,152,042 km (0.064 R)
• M76: 42,629,708 km (0.064 R)
• M77: 43,383,981 km (0.066 R)
• M78: 43,866,284 km (0.044 R)
• M79: 45,114,529 km (0.084 R)
• M80: 46,163,659 km (0.056 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373.8

Radius: 8

Gravity: 5.84 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 11.25 AU - 17.01 AU

Year: 19498 Days

Day: 22.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 61,132,707 km

• M1: 169,943 km (0.094 R)
• M2: 234,719 km (0.112 R)
• M3: 448,794 km (0.117 R)
• M4: 802,443 km (0.086 R)
• M5: 930,050 km (0.073 R)
• M6: 1,303,297 km (0.101 R)
• M7: 1,353,113 km (0.114 R)
• M8: 1,454,690 km (0.118 R)
• M9: 1,719,927 km (0.108 R)
• M10: 2,116,959 km (0.115 R)
• M11: 2,927,331 km (0.119 R)
• M12: 3,126,895 km (0.114 R)
• M13: 3,194,363 km (0.104 R)
• M14: 3,365,354 km (0.085 R)
• M15: 3,680,706 km (0.081 R)
• M16: 3,752,064 km (0.077 R)
• M17: 3,860,074 km (0.046 R)
• M18: 4,264,736 km (0.104 R)
• M19: 4,956,028 km (0.095 R)
• M20: 8,004,982 km (0.093 R)
• M21: 8,144,258 km (0.067 R)
• M22: 8,519,898 km (0.106 R)
• M23: 8,662,166 km (0.074 R)
• M24: 8,757,459 km (0.092 R)
• M25: 8,853,202 km (0.073 R)
• M26: 9,928,362 km (0.046 R)
• M27: 10,329,583 km (0.112 R)
• M28: 10,889,827 km (0.103 R)
• M29: 12,575,047 km (0.111 R)
• M30: 13,282,645 km (0.064 R)
• M31: 13,780,058 km (0.048 R)
• M32: 13,891,509 km (0.106 R)
• M33: 14,283,605 km (0.064 R)
• M34: 14,566,045 km (0.076 R)
• M35: 14,793,285 km (0.107 R)
• M36: 14,964,425 km (0.105 R)
• M37: 15,424,139 km (0.086 R)
• M38: 15,771,954 km (0.099 R)
• M39: 17,489,487 km (0.11 R)
• M40: 17,549,775 km (0.071 R)
• M41: 18,955,097 km (0.11 R)
• M42: 19,890,982 km (0.051 R)
• M43: 20,586,911 km (0.087 R)
• M44: 23,117,658 km (0.085 R)
• M45: 23,382,746 km (0.064 R)
• M46: 24,453,268 km (0.091 R)
• M47: 24,994,363 km (0.118 R)
• M48: 26,641,586 km (0.097 R)
• M49: 26,919,389 km (0.081 R)
• M50: 27,198,389 km (0.119 R)
• M51: 27,268,251 km (0.116 R)
• M52: 27,829,393 km (0.084 R)
• M53: 29,105,762 km (0.091 R)
• M54: 31,641,894 km (0.083 R)
• M55: 35,997,586 km (0.094 R)
• M56: 36,074,330 km (0.094 R)
• M57: 39,741,722 km (0.117 R)
• M58: 40,457,398 km (0.058 R)
• M59: 41,177,412 km (0.041 R)
• M60: 41,659,716 km (0.115 R)
• M61: 42,792,321 km (0.101 R)
• M62: 44,263,467 km (0.115 R)
• M63: 44,757,589 km (0.098 R)
• M64: 44,840,167 km (0.112 R)
• M65: 45,917,570 km (0.09 R)
• M66: 46,084,073 km (0.061 R)
• M67: 46,752,027 km (0.063 R)
• M68: 48,351,528 km (0.071 R)
• M69: 49,456,158 km (0.04 R)
• M70: 49,968,830 km (0.107 R)
• M71: 50,655,036 km (0.106 R)
• M72: 52,384,387 km (0.111 R)
• M73: 53,518,788 km (0.079 R)
• M74: 53,781,631 km (0.026 R)
• M75: 54,308,814 km (0.119 R)
• M76: 56,612,921 km (0.105 R)
• M77: 57,149,229 km (0.052 R)
• M78: 58,226,633 km (0.061 R)
• M79: 59,310,918 km (0.075 R)
• M80: 60,310,681 km (0.111 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 18,732 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit