🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.4

Radius: 8.2

Gravity: 10.62 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.51 AU - 1.53 AU

Year: 1271 Days

Day: 8.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 88,769,640 km

• M1: 102,175 km (0.111 R)
• M2: 369,507 km (0.11 R)
• M3: 830,418 km (0.113 R)
• M4: 1,154,297 km (0.04 R)
• M5: 1,737,579 km (0.099 R)
• M6: 2,529,251 km (0.098 R)
• M7: 2,964,282 km (0.107 R)
• M8: 3,718,105 km (0.093 R)
• M9: 4,980,263 km (0.097 R)
• M10: 5,451,496 km (0.097 R)
• M11: 6,202,029 km (0.081 R)
• M12: 6,723,228 km (0.053 R)
• M13: 7,044,713 km (0.079 R)
• M14: 7,402,402 km (0.086 R)
• M15: 8,182,106 km (0.084 R)
• M16: 8,577,643 km (0.071 R)
• M17: 9,715,484 km (0.083 R)
• M18: 11,189,622 km (0.09 R)
• M19: 11,466,527 km (0.089 R)
• M20: 11,962,145 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.9

Radius: 13.8

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.53 AU - 1.57 AU

Year: 1309 Days

Day: 5.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,769,640 km

• M1: 173,234 km (0.081 R)
• M2: 630,705 km (0.099 R)
• M3: 1,306,737 km (0.04 R)
• M4: 1,873,265 km (0.074 R)
• M5: 2,333,428 km (0.098 R)
• M6: 2,801,220 km (0.037 R)
• M7: 3,501,637 km (0.088 R)
• M8: 4,195,023 km (0.07 R)
• M9: 5,167,260 km (0.058 R)
• M10: 6,245,113 km (0.082 R)
• M11: 6,879,856 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.7

Radius: 10.5

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.43 AU - 2.07 AU

Year: 1570 Days

Day: 8.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 88,769,640 km

• M1: 153,338 km (0.027 R)
• M2: 689,048 km (0.037 R)
• M3: 1,299,258 km (0.11 R)
• M4: 2,010,147 km (0.045 R)
• M5: 2,401,644 km (0.091 R)
• M6: 3,268,115 km (0.094 R)
• M7: 4,041,536 km (0.091 R)
• M8: 4,894,693 km (0.07 R)
• M9: 5,465,857 km (0.086 R)
• M10: 5,993,339 km (0.098 R)
• M11: 7,052,792 km (0.093 R)
• M12: 7,550,653 km (0.093 R)
• M13: 7,965,638 km (0.028 R)
• M14: 8,784,985 km (0.103 R)
• M15: 9,994,335 km (0.047 R)
• M16: 10,559,067 km (0.06 R)
• M17: 11,178,102 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.1

Radius: 11.8

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.72 AU - 2.72 AU

Year: 2243 Days

Day: 10.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 167.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 88,769,640 km

• M1: 146,756 km (0.099 R)
• M2: 891,454 km (0.1 R)
• M3: 1,504,207 km (0.109 R)
• M4: 2,011,493 km (0.119 R)
• M5: 2,492,450 km (0.053 R)
• M6: 3,002,878 km (0.116 R)
• M7: 3,834,642 km (0.086 R)
• M8: 4,728,340 km (0.035 R)
• M9: 5,707,009 km (0.07 R)
• M10: 7,121,756 km (0.103 R)
• M11: 7,820,677 km (0.07 R)
• M12: 8,661,118 km (0.076 R)
• M13: 9,389,660 km (0.112 R)
• M14: 10,086,936 km (0.064 R)
• M15: 11,312,591 km (0.12 R)
• M16: 11,981,593 km (0.113 R)
• M17: 13,616,099 km (0.1 R)
• M18: 14,147,770 km (0.101 R)
• M19: 15,299,973 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108

Radius: 9.4

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 3.57 AU - 3.77 AU

Year: 4769 Days

Day: 9.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,769,640 km

• M1: 124,914 km (0.07 R)
• M2: 461,360 km (0.076 R)
• M3: 1,206,058 km (0.106 R)
• M4: 1,584,989 km (0.091 R)
• M5: 2,559,919 km (0.078 R)
• M6: 4,647,856 km (0.082 R)
• M7: 6,397,254 km (0.057 R)
• M8: 8,029,516 km (0.092 R)
• M9: 9,217,622 km (0.094 R)
• M10: 10,483,520 km (0.107 R)
• M11: 14,171,257 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.7

Radius: 12.8

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 4.44 AU - 5.46 AU

Year: 7470 Days

Day: 6.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 88,769,640 km

• M1: 162,314 km (0.105 R)
• M2: 657,632 km (0.077 R)
• M3: 1,158,636 km (0.057 R)
• M4: 1,930,710 km (0.096 R)
• M5: 2,367,985 km (0.081 R)
• M6: 3,322,120 km (0.108 R)
• M7: 4,146,554 km (0.105 R)
• M8: 4,672,540 km (0.099 R)
• M9: 5,186,558 km (0.09 R)
• M10: 5,738,275 km (0.069 R)
• M11: 6,361,051 km (0.03 R)
• M12: 9,231,535 km (0.082 R)
• M13: 12,873,944 km (0.081 R)
• M14: 13,294,763 km (0.114 R)
• M15: 13,724,857 km (0.12 R)
• M16: 15,071,088 km (0.052 R)
• M17: 16,503,637 km (0.063 R)
• M18: 20,909,594 km (0.085 R)
• M19: 21,491,978 km (0.08 R)
• M20: 22,537,368 km (0.1 R)
• M21: 23,072,480 km (0.077 R)
• M22: 24,407,790 km (0.097 R)
• M23: 28,544,321 km (0.09 R)
• M24: 29,171,136 km (0.05 R)
• M25: 32,346,949 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 584.1

Radius: 4.9

Gravity: 24.33 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 6.03 AU - 6.79 AU

Year: 11007 Days

Day: 17.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 88,769,640 km

• M1: 62,233 km (0.077 R)
• M2: 290,369 km (0.095 R)
• M3: 496,515 km (0.1 R)
• M4: 781,350 km (0.097 R)
• M5: 1,034,768 km (0.11 R)
• M6: 1,290,730 km (0.099 R)
• M7: 1,815,969 km (0.079 R)
• M8: 2,281,517 km (0.077 R)
• M9: 2,695,604 km (0.089 R)
• M10: 2,887,837 km (0.097 R)
• M11: 3,776,000 km (0.091 R)
• M12: 4,500,502 km (0.088 R)
• M13: 4,771,574 km (0.067 R)
• M14: 6,748,659 km (0.098 R)
• M15: 7,555,141 km (0.03 R)
• M16: 8,289,667 km (0.115 R)
• M17: 8,697,321 km (0.094 R)
• M18: 8,929,497 km (0.101 R)
• M19: 12,569,961 km (0.111 R)
• M20: 15,959,250 km (0.104 R)
• M21: 18,579,756 km (0.082 R)
• M22: 20,971,677 km (0.111 R)
• M23: 25,590,212 km (0.097 R)
• M24: 26,259,513 km (0.055 R)
• M25: 26,647,121 km (0.085 R)
• M26: 36,771,306 km (0.101 R)
• M27: 37,500,596 km (0.041 R)
• M28: 43,550,633 km (0.08 R)
• M29: 45,749,871 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 461.9

Radius: 3.2

Gravity: 45.11 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.8 AU - 8.74 AU

Year: 13295 Days

Day: 16.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 88,769,640 km

• M1: 39,943 km (0.07 R)
• M2: 151,393 km (0.065 R)
• M3: 371,900 km (0.101 R)
• M4: 786,586 km (0.11 R)
• M5: 1,227,750 km (0.087 R)
• M6: 1,330,224 km (0.119 R)
• M7: 1,509,143 km (0.117 R)
• M8: 2,198,490 km (0.035 R)
• M9: 2,675,109 km (0.066 R)
• M10: 2,983,131 km (0.098 R)
• M11: 3,721,995 km (0.109 R)
• M12: 4,365,565 km (0.092 R)
• M13: 4,667,304 km (0.1 R)
• M14: 4,791,769 km (0.026 R)
• M15: 5,620,841 km (0.073 R)
• M16: 6,124,686 km (0.097 R)
• M17: 6,855,622 km (0.045 R)
• M18: 7,472,414 km (0.057 R)
• M19: 7,642,955 km (0.118 R)
• M20: 8,815,354 km (0.109 R)
• M21: 9,005,792 km (0.101 R)
• M22: 11,680,003 km (0.051 R)
• M23: 13,921,428 km (0.11 R)
• M24: 14,906,381 km (0.077 R)
• M25: 19,073,130 km (0.115 R)
• M26: 19,794,790 km (0.065 R)
• M27: 21,807,929 km (0.108 R)
• M28: 24,324,165 km (0.112 R)
• M29: 35,358,803 km (0.045 R)
• M30: 36,813,493 km (0.088 R)
• M31: 37,431,182 km (0.069 R)
• M32: 39,197,335 km (0.061 R)
• M33: 39,711,952 km (0.098 R)
• M34: 41,415,722 km (0.105 R)
• M35: 42,759,111 km (0.052 R)
• M36: 47,107,322 km (0.054 R)
• M37: 47,252,283 km (0.061 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358.5

Radius: 3.9

Gravity: 23.57 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 9.02 AU - 11.1 AU

Year: 21642 Days

Day: 22.7 Hours

Environment

Temp: -245 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 88,769,640 km

• M1: 52,060 km (0.056 R)
• M2: 222,003 km (0.093 R)
• M3: 572,960 km (0.082 R)
• M4: 1,119,291 km (0.06 R)
• M5: 1,481,468 km (0.093 R)
• M6: 1,935,348 km (0.117 R)
• M7: 2,184,578 km (0.109 R)
• M8: 4,150,743 km (0.117 R)
• M9: 5,625,030 km (0.093 R)
• M10: 9,181,420 km (0.092 R)
• M11: 9,882,286 km (0.104 R)
• M12: 11,820,476 km (0.118 R)
• M13: 17,377,737 km (0.081 R)
• M14: 22,199,426 km (0.115 R)
• M15: 24,455,512 km (0.067 R)
• M16: 29,993,326 km (0.099 R)
• M17: 40,696,754 km (0.111 R)
• M18: 48,714,303 km (0.076 R)
• M19: 49,683,248 km (0.098 R)
• M20: 50,829,916 km (0.11 R)
• M21: 60,274,328 km (0.096 R)
• M22: 61,954,013 km (0.086 R)
• M23: 62,331,598 km (0.089 R)
• M24: 63,281,994 km (0.066 R)
• M25: 64,628,674 km (0.047 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765.6

Radius: 4.9

Gravity: 31.89 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 8.28 AU - 13.18 AU

Year: 23839 Days

Day: 24.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 88,769,640 km

• M1: 60,886 km (0.082 R)
• M2: 238,459 km (0.08 R)
• M3: 445,054 km (0.058 R)
• M4: 1,212,192 km (0.05 R)
• M5: 1,381,536 km (0.118 R)
• M6: 2,092,874 km (0.039 R)
• M7: 2,384,889 km (0.117 R)
• M8: 2,577,871 km (0.083 R)
• M9: 3,831,800 km (0.068 R)
• M10: 4,481,803 km (0.06 R)
• M11: 4,967,098 km (0.076 R)
• M12: 5,202,565 km (0.116 R)
• M13: 6,219,681 km (0.109 R)
• M14: 6,447,219 km (0.082 R)
• M15: 7,163,195 km (0.108 R)
• M16: 7,825,465 km (0.089 R)
• M17: 8,583,327 km (0.115 R)
• M18: 11,485,526 km (0.057 R)
• M19: 14,900,546 km (0.054 R)
• M20: 22,989,902 km (0.111 R)
• M21: 26,741,218 km (0.066 R)
• M22: 28,324,562 km (0.093 R)
• M23: 29,712,231 km (0.089 R)
• M24: 34,005,990 km (0.099 R)
• M25: 40,559,423 km (0.073 R)
• M26: 43,964,121 km (0.102 R)
• M27: 52,639,003 km (0.101 R)
• M28: 53,015,391 km (0.041 R)
• M29: 53,964,440 km (0.095 R)
• M30: 57,474,455 km (0.04 R)
• M31: 58,073,893 km (0.119 R)
• M32: 66,469,476 km (0.045 R)
• M33: 71,875,793 km (0.175 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 236 - 11,016 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit