🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.7

Radius: 8.7

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.81 AU - 0.89 AU

Year: 523 Days

Day: 14.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,798,706 km

• M1: 109,655 km (0.081 R)
• M2: 387,309 km (0.047 R)
• M3: 768,484 km (0.095 R)
• M4: 1,069,176 km (0.057 R)
• M5: 2,044,405 km (0.108 R)
• M6: 2,322,806 km (0.101 R)
• M7: 3,115,226 km (0.118 R)
• M8: 3,767,174 km (0.099 R)
• M9: 4,118,878 km (0.085 R)
• M10: 4,389,650 km (0.086 R)
• M11: 4,983,105 km (0.066 R)
• M12: 5,374,304 km (0.091 R)
• M13: 5,803,350 km (0.041 R)
• M14: 6,126,332 km (0.025 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.7

Radius: 9.1

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.84 AU - 1.22 AU

Year: 697 Days

Day: 7.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,798,706 km

• M1: 113,246 km (0.071 R)
• M2: 589,864 km (0.07 R)
• M3: 878,140 km (0.036 R)
• M4: 1,171,351 km (0.075 R)
• M5: 1,861,297 km (0.074 R)
• M6: 2,561,116 km (0.039 R)
• M7: 2,914,017 km (0.099 R)
• M8: 3,311,798 km (0.103 R)
• M9: 3,650,487 km (0.098 R)
• M10: 4,306,923 km (0.09 R)
• M11: 4,727,442 km (0.116 R)
• M12: 5,056,558 km (0.082 R)
• M13: 5,348,273 km (0.074 R)
• M14: 5,651,209 km (0.046 R)
• M15: 6,233,444 km (0.119 R)
• M16: 6,711,110 km (0.119 R)
• M17: 7,106,497 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.4

Radius: 12.6

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.09 AU - 1.71 AU

Year: 1105 Days

Day: 6.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,798,706 km

• M1: 156,928 km (0.104 R)
• M2: 629,059 km (0.103 R)
• M3: 1,186,760 km (0.075 R)
• M4: 1,595,312 km (0.117 R)
• M5: 2,058,018 km (0.097 R)
• M6: 2,502,024 km (0.085 R)
• M7: 2,903,395 km (0.051 R)
• M8: 3,362,511 km (0.111 R)
• M9: 3,935,172 km (0.11 R)
• M10: 5,002,403 km (0.113 R)
• M11: 5,666,917 km (0.045 R)
• M12: 7,172,769 km (0.031 R)
• M13: 8,072,301 km (0.083 R)
• M14: 8,591,406 km (0.095 R)
• M15: 9,249,487 km (0.092 R)
• M16: 10,158,144 km (0.118 R)
• M17: 10,634,314 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.3

Radius: 9.6

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.74 AU - 2 AU

Year: 1705 Days

Day: 10.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,798,706 km

• M1: 122,670 km (0.079 R)
• M2: 659,278 km (0.085 R)
• M3: 1,052,271 km (0.086 R)
• M4: 1,762,562 km (0.106 R)
• M5: 2,366,788 km (0.091 R)
• M6: 3,344,260 km (0.069 R)
• M7: 3,679,808 km (0.104 R)
• M8: 4,381,871 km (0.117 R)
• M9: 4,745,394 km (0.064 R)
• M10: 5,822,050 km (0.094 R)
• M11: 6,357,760 km (0.12 R)
• M12: 7,002,676 km (0.096 R)
• M13: 9,512,330 km (0.109 R)
• M14: 9,928,212 km (0.071 R)
• M15: 11,932,824 km (0.094 R)
• M16: 12,341,376 km (0.097 R)
• M17: 12,682,608 km (0.102 R)
• M18: 13,030,124 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.6

Radius: 13.3

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.99 AU - 2.11 AU

Year: 1957 Days

Day: 7.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,798,706 km

• M1: 165,605 km (0.057 R)
• M2: 582,235 km (0.097 R)
• M3: 1,119,890 km (0.06 R)
• M4: 2,478,986 km (0.092 R)
• M5: 2,958,747 km (0.054 R)
• M6: 3,839,429 km (0.109 R)
• M7: 4,408,799 km (0.065 R)
• M8: 4,826,327 km (0.058 R)
• M9: 5,292,025 km (0.119 R)
• M10: 5,741,566 km (0.095 R)
• M11: 6,589,936 km (0.058 R)
• M12: 7,327,453 km (0.104 R)
• M13: 10,110,273 km (0.106 R)
• M14: 10,948,320 km (0.03 R)
• M15: 11,421,199 km (0.102 R)
• M16: 12,644,012 km (0.107 R)
• M17: 14,552,133 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.5

Radius: 13.3

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 2.16 AU - 3.18 AU

Year: 2909 Days

Day: 9.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 27,798,706 km

• M1: 166,502 km (0.041 R)
• M2: 618,886 km (0.115 R)
• M3: 1,319,603 km (0.118 R)
• M4: 1,890,019 km (0.037 R)
• M5: 2,516,087 km (0.079 R)
• M6: 3,117,470 km (0.084 R)
• M7: 3,596,333 km (0.067 R)
• M8: 4,297,049 km (0.114 R)
• M9: 5,944,870 km (0.06 R)
• M10: 6,423,134 km (0.077 R)
• M11: 6,988,165 km (0.119 R)
• M12: 7,749,020 km (0.057 R)
• M13: 9,102,881 km (0.072 R)
• M14: 10,366,833 km (0.108 R)
• M15: 10,895,811 km (0.116 R)
• M16: 12,455,369 km (0.072 R)
• M17: 13,622,980 km (0.114 R)
• M18: 14,811,087 km (0.106 R)
• M19: 15,853,186 km (0.094 R)
• M20: 16,832,304 km (0.102 R)
• M21: 17,507,140 km (0.079 R)
• M22: 18,612,518 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.4

Radius: 10.2

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 2.85 AU - 3.11 AU

Year: 3430 Days

Day: 5.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 27,798,706 km

• M1: 127,607 km (0.055 R)
• M2: 497,563 km (0.082 R)
• M3: 985,102 km (0.09 R)
• M4: 1,531,733 km (0.034 R)
• M5: 1,888,224 km (0.118 R)
• M6: 2,300,366 km (0.114 R)
• M7: 4,989,239 km (0.049 R)
• M8: 6,002,166 km (0.111 R)
• M9: 6,601,604 km (0.103 R)
• M10: 8,224,143 km (0.052 R)
• M11: 9,257,415 km (0.109 R)
• M12: 11,366,297 km (0.091 R)
• M13: 14,871,225 km (0.062 R)
• M14: 16,400,714 km (0.059 R)
• M15: 19,098,412 km (0.109 R)
• M16: 21,355,096 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.5

Radius: 9.2

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.15 AU - 3.93 AU

Year: 4442 Days

Day: 5.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,798,706 km

• M1: 114,891 km (0.067 R)
• M2: 906,114 km (0.066 R)
• M3: 1,336,208 km (0.116 R)
• M4: 1,777,223 km (0.109 R)
• M5: 2,849,690 km (0.115 R)
• M6: 3,168,632 km (0.102 R)
• M7: 4,426,152 km (0.092 R)
• M8: 4,818,996 km (0.098 R)
• M9: 6,204,272 km (0.106 R)
• M10: 6,492,548 km (0.1 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.4

Radius: 10.9

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.57 AU - 6.61 AU

Year: 8813 Days

Day: 6.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 27,798,706 km

• M1: 135,536 km (0.09 R)
• M2: 483,800 km (0.086 R)
• M3: 857,196 km (0.061 R)
• M4: 1,219,223 km (0.103 R)
• M5: 1,771,837 km (0.09 R)
• M6: 2,269,400 km (0.096 R)
• M7: 3,314,341 km (0.091 R)
• M8: 5,070,321 km (0.085 R)
• M9: 6,469,659 km (0.066 R)
• M10: 8,238,355 km (0.11 R)
• M11: 8,583,776 km (0.076 R)
• M12: 10,458,387 km (0.076 R)
• M13: 10,966,870 km (0.052 R)
• M14: 11,332,487 km (0.084 R)
• M15: 16,044,671 km (0.054 R)
• M16: 16,653,085 km (0.049 R)
• M17: 18,060,053 km (0.072 R)
• M18: 19,317,124 km (0.097 R)
• M19: 19,774,445 km (0.117 R)
• M20: 21,594,602 km (0.085 R)
• M21: 25,383,617 km (0.099 R)
• M22: 28,500,788 km (0.072 R)
• M23: 29,193,426 km (0.117 R)
• M24: 29,594,199 km (0.103 R)
• M25: 36,982,538 km (0.119 R)
• M26: 43,398,941 km (0.073 R)

Planet 10 - Ice Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 154

Radius: 7.9

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.16 AU - 6.44 AU

Year: 9315 Days

Day: 22.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,798,706 km

• M1: 98,286 km (0.1 R)
• M2: 358,436 km (0.038 R)
• M3: 712,834 km (0.112 R)
• M4: 1,245,701 km (0.081 R)
• M5: 1,582,446 km (0.074 R)
• M6: 2,254,889 km (0.108 R)
• M7: 3,142,602 km (0.117 R)
• M8: 3,644,503 km (0.094 R)
• M9: 3,903,906 km (0.086 R)
• M10: 5,282,301 km (0.113 R)
• M11: 5,672,452 km (0.09 R)
• M12: 6,262,915 km (0.119 R)
• M13: 7,157,361 km (0.04 R)
• M14: 7,740,643 km (0.085 R)
• M15: 8,808,173 km (0.037 R)
• M16: 12,306,220 km (0.085 R)
• M17: 12,942,460 km (0.074 R)
• M18: 16,224,936 km (0.106 R)
• M19: 16,989,980 km (0.098 R)
• M20: 17,594,654 km (0.109 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: 430 - 11,706 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit