🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.5

Radius: 11.9

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.74 AU - 1.04 AU

Year: 542 Days

Day: 7.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,070,271 km

• M1: 148,102 km (0.092 R)
• M2: 583,731 km (0.105 R)
• M3: 1,411,456 km (0.095 R)
• M4: 1,885,382 km (0.095 R)
• M5: 2,276,880 km (0.095 R)
• M6: 3,295,043 km (0.106 R)
• M7: 3,744,584 km (0.076 R)
• M8: 4,370,951 km (0.11 R)
• M9: 4,797,305 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.2

Radius: 8.7

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.11 AU - 1.57 AU

Year: 1002 Days

Day: 10.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,070,271 km

• M1: 108,159 km (0.059 R)
• M2: 392,246 km (0.07 R)
• M3: 670,946 km (0.071 R)
• M4: 1,072,617 km (0.052 R)
• M5: 1,702,274 km (0.088 R)
• M6: 2,003,115 km (0.062 R)
• M7: 2,380,401 km (0.115 R)
• M8: 3,029,357 km (0.036 R)
• M9: 3,382,557 km (0.1 R)
• M10: 3,848,256 km (0.074 R)
• M11: 4,387,556 km (0.113 R)
• M12: 5,236,673 km (0.096 R)
• M13: 5,616,652 km (0.091 R)
• M14: 6,637,358 km (0.112 R)
• M15: 7,235,750 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.5

Radius: 12.4

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.28 AU - 2.04 AU

Year: 1381 Days

Day: 5.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,070,271 km

• M1: 154,235 km (0.105 R)
• M2: 549,623 km (0.082 R)
• M3: 942,018 km (0.119 R)
• M4: 1,506,451 km (0.037 R)
• M5: 2,092,425 km (0.108 R)
• M6: 2,516,835 km (0.087 R)
• M7: 2,940,795 km (0.063 R)
• M8: 3,349,048 km (0.112 R)
• M9: 4,078,636 km (0.089 R)
• M10: 4,668,202 km (0.108 R)
• M11: 8,098,780 km (0.057 R)
• M12: 9,127,265 km (0.09 R)
• M13: 9,904,277 km (0.104 R)
• M14: 11,776,344 km (0.096 R)
• M15: 12,935,279 km (0.101 R)
• M16: 13,957,781 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.9

Radius: 12.4

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.79 AU - 1.93 AU

Year: 1638 Days

Day: 5.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,070,271 km

• M1: 154,235 km (0.093 R)
• M2: 540,946 km (0.039 R)
• M3: 959,072 km (0.075 R)
• M4: 1,670,260 km (0.109 R)
• M5: 3,405,895 km (0.119 R)
• M6: 3,891,938 km (0.085 R)
• M7: 4,984,152 km (0.11 R)
• M8: 5,750,093 km (0.063 R)
• M9: 6,246,309 km (0.118 R)
• M10: 7,571,747 km (0.045 R)
• M11: 9,490,489 km (0.099 R)
• M12: 11,939,256 km (0.094 R)
• M13: 12,397,924 km (0.114 R)
• M14: 13,928,310 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.5

Radius: 9.7

Gravity: 10.46 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.44 AU - 2.38 AU

Year: 1704 Days

Day: 5.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,070,271 km

• M1: 124,017 km (0.028 R)
• M2: 519,105 km (0.027 R)
• M3: 1,107,473 km (0.082 R)
• M4: 2,415,108 km (0.074 R)
• M5: 3,275,296 km (0.109 R)
• M6: 3,580,475 km (0.1 R)
• M7: 4,035,851 km (0.041 R)
• M8: 5,807,090 km (0.08 R)
• M9: 7,196,854 km (0.118 R)
• M10: 8,075,592 km (0.115 R)
• M11: 9,156,138 km (0.11 R)
• M12: 10,916,306 km (0.101 R)
• M13: 12,601,526 km (0.114 R)
• M14: 14,543,905 km (0.058 R)
• M15: 15,515,394 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.6

Radius: 11.5

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.12 AU - 2.54 AU

Year: 2296 Days

Day: 10.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 36,070,271 km

• M1: 143,016 km (0.095 R)
• M2: 710,440 km (0.069 R)
• M3: 1,246,599 km (0.099 R)
• M4: 1,895,405 km (0.039 R)
• M5: 2,826,353 km (0.1 R)
• M6: 3,910,040 km (0.098 R)
• M7: 4,445,301 km (0.1 R)
• M8: 5,999,922 km (0.095 R)
• M9: 6,734,597 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648

Radius: 13.9

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.21 AU - 4.31 AU

Year: 4708 Days

Day: 6.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,070,271 km

• M1: 176,825 km (0.113 R)
• M2: 1,117,795 km (0.111 R)
• M3: 1,571,825 km (0.064 R)
• M4: 2,011,493 km (0.089 R)
• M5: 3,073,937 km (0.074 R)
• M6: 3,817,738 km (0.07 R)
• M7: 4,907,259 km (0.078 R)
• M8: 6,164,629 km (0.076 R)
• M9: 6,692,111 km (0.08 R)
• M10: 7,909,389 km (0.084 R)
• M11: 9,510,834 km (0.088 R)
• M12: 18,745,511 km (0.052 R)
• M13: 21,220,308 km (0.068 R)
• M14: 23,605,048 km (0.105 R)
• M15: 24,208,975 km (0.062 R)
• M16: 28,052,294 km (0.052 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685

Radius: 13.7

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.96 AU - 6.18 AU

Year: 7371 Days

Day: 6.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,070,271 km

• M1: 171,589 km (0.086 R)
• M2: 656,585 km (0.118 R)
• M3: 1,470,547 km (0.114 R)
• M4: 2,223,922 km (0.079 R)
• M5: 4,343,873 km (0.047 R)
• M6: 5,427,860 km (0.115 R)
• M7: 8,836,746 km (0.083 R)
• M8: 10,668,722 km (0.042 R)
• M9: 12,577,890 km (0.108 R)
• M10: 14,345,239 km (0.062 R)
• M11: 17,536,461 km (0.067 R)
• M12: 19,663,593 km (0.107 R)
• M13: 25,549,671 km (0.111 R)
• M14: 27,995,297 km (0.092 R)
• M15: 30,297,010 km (0.12 R)
• M16: 31,899,801 km (0.102 R)
• M17: 32,722,141 km (0.086 R)
• M18: 38,300,645 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 664.5

Radius: 3.7

Gravity: 48.54 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.52 AU - 6.7 AU

Year: 9752 Days

Day: 17.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 36,070,271 km

• M1: 46,076 km (0.1 R)
• M2: 213,027 km (0.074 R)
• M3: 331,658 km (0.089 R)
• M4: 453,581 km (0.104 R)
• M5: 846,574 km (0.095 R)
• M6: 1,125,126 km (0.059 R)
• M7: 1,304,643 km (0.108 R)
• M8: 1,602,343 km (0.092 R)
• M9: 2,061,758 km (0.089 R)
• M10: 2,294,233 km (0.072 R)
• M11: 3,329,749 km (0.063 R)
• M12: 3,962,997 km (0.096 R)
• M13: 5,137,041 km (0.08 R)
• M14: 7,025,266 km (0.113 R)
• M15: 8,954,181 km (0.089 R)
• M16: 9,141,178 km (0.098 R)
• M17: 9,766,497 km (0.062 R)
• M18: 10,731,104 km (0.099 R)
• M19: 10,995,144 km (0.114 R)
• M20: 13,692,693 km (0.053 R)
• M21: 14,832,928 km (0.073 R)
• M22: 15,966,431 km (0.063 R)
• M23: 17,084,974 km (0.074 R)
• M24: 19,476,596 km (0.115 R)
• M25: 22,423,374 km (0.096 R)
• M26: 23,734,301 km (0.046 R)
• M27: 28,271,155 km (0.09 R)
• M28: 33,802,237 km (0.09 R)
• M29: 34,827,431 km (0.114 R)
• M30: 37,059,282 km (0.074 R)
• M31: 38,148,953 km (0.094 R)
• M32: 43,919,541 km (0.061 R)
• M33: 45,551,056 km (0.036 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.7

Radius: 3.2

Gravity: 8.96 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 7.05 AU - 11.23 AU

Year: 17842 Days

Day: 16.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,070,271 km

• M1: 46,824 km (0.082 R)
• M2: 319,541 km (0.11 R)
• M3: 582,684 km (0.077 R)
• M4: 756,965 km (0.117 R)
• M5: 909,555 km (0.102 R)
• M6: 1,072,168 km (0.059 R)
• M7: 1,418,786 km (0.072 R)
• M8: 1,955,095 km (0.074 R)
• M9: 2,904,443 km (0.09 R)
• M10: 3,411,430 km (0.112 R)
• M11: 3,569,854 km (0.118 R)
• M12: 3,828,509 km (0.119 R)
• M13: 4,124,862 km (0.111 R)
• M14: 5,840,301 km (0.093 R)
• M15: 7,515,199 km (0.112 R)
• M16: 7,861,368 km (0.051 R)
• M17: 8,137,825 km (0.066 R)
• M18: 9,049,175 km (0.116 R)
• M19: 9,889,018 km (0.073 R)
• M20: 11,620,613 km (0.103 R)
• M21: 13,827,182 km (0.069 R)
• M22: 15,546,211 km (0.097 R)
• M23: 19,616,470 km (0.045 R)
• M24: 21,624,821 km (0.052 R)
• M25: 24,929,887 km (0.117 R)
• M26: 30,931,454 km (0.102 R)
• M27: 31,917,304 km (0.115 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 200 - 13,537 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit