🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.7

Radius: 11.6

Gravity: 6.36 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.71 AU - 0.87 AU

Year: 485 Days

Day: 6.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,157,904 km

• M1: 144,212 km (0.098 R)
• M2: 548,875 km (0.071 R)
• M3: 954,135 km (0.073 R)
• M4: 1,714,541 km (0.092 R)
• M5: 2,811,842 km (0.054 R)
• M6: 3,211,268 km (0.114 R)
• M7: 3,862,019 km (0.066 R)
• M8: 4,928,352 km (0.106 R)
• M9: 5,358,596 km (0.03 R)
• M10: 6,332,777 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532

Radius: 13.6

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.86 AU - 1.22 AU

Year: 732 Days

Day: 7.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,157,904 km

• M1: 169,195 km (0.038 R)
• M2: 630,405 km (0.076 R)
• M3: 1,111,811 km (0.106 R)
• M4: 1,610,271 km (0.098 R)
• M5: 3,287,413 km (0.065 R)
• M6: 3,859,176 km (0.086 R)
• M7: 4,607,016 km (0.104 R)
• M8: 5,449,850 km (0.087 R)
• M9: 6,215,492 km (0.101 R)
• M10: 6,655,310 km (0.086 R)
• M11: 7,332,390 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.1

Radius: 10.4

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.85 AU - 1.35 AU

Year: 796 Days

Day: 12 Hours

Environment

Temp: -179 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,157,904 km

• M1: 130,001 km (0.09 R)
• M2: 602,879 km (0.102 R)
• M3: 1,047,035 km (0.119 R)
• M4: 1,375,552 km (0.072 R)
• M5: 1,791,435 km (0.046 R)
• M6: 2,239,929 km (0.087 R)
• M7: 2,579,965 km (0.064 R)
• M8: 3,232,960 km (0.113 R)
• M9: 3,669,935 km (0.052 R)
• M10: 4,287,325 km (0.082 R)
• M11: 5,787,343 km (0.029 R)
• M12: 6,288,646 km (0.087 R)
• M13: 6,753,596 km (0.054 R)
• M14: 7,286,912 km (0.089 R)
• M15: 8,114,637 km (0.054 R)
• M16: 8,462,901 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709

Radius: 8.5

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.94 AU - 1.48 AU

Year: 919 Days

Day: 11.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,157,904 km

• M1: 105,766 km (0.044 R)
• M2: 391,049 km (0.055 R)
• M3: 808,876 km (0.117 R)
• M4: 1,341,295 km (0.049 R)
• M5: 1,981,873 km (0.1 R)
• M6: 2,888,136 km (0.073 R)
• M7: 3,766,276 km (0.108 R)
• M8: 4,047,221 km (0.049 R)
• M9: 5,013,025 km (0.081 R)
• M10: 6,559,119 km (0.049 R)
• M11: 7,785,372 km (0.094 R)
• M12: 8,269,471 km (0.107 R)
• M13: 8,558,793 km (0.12 R)
• M14: 9,297,807 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.6

Radius: 11.8

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.17 AU - 1.27 AU

Year: 930 Days

Day: 11.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,157,904 km

• M1: 146,756 km (0.096 R)
• M2: 536,159 km (0.114 R)
• M3: 958,623 km (0.07 R)
• M4: 1,839,156 km (0.086 R)
• M5: 2,608,239 km (0.094 R)
• M6: 3,485,780 km (0.098 R)
• M7: 3,862,168 km (0.1 R)
• M8: 4,374,990 km (0.095 R)
• M9: 4,747,488 km (0.103 R)
• M10: 5,373,256 km (0.074 R)
• M11: 6,152,212 km (0.105 R)
• M12: 6,600,408 km (0.071 R)
• M13: 7,092,136 km (0.071 R)
• M14: 7,562,472 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 137.9

Radius: 8

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 6.85 AU - 7.19 AU

Year: 12839 Days

Day: 18.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,157,904 km

• M1: 102,325 km (0.072 R)
• M2: 364,121 km (0.076 R)
• M3: 1,310,178 km (0.049 R)
• M4: 2,430,217 km (0.109 R)
• M5: 2,860,610 km (0.118 R)
• M6: 3,827,462 km (0.029 R)
• M7: 4,411,192 km (0.106 R)
• M8: 4,697,972 km (0.088 R)
• M9: 8,061,081 km (0.099 R)
• M10: 9,060,245 km (0.092 R)
• M11: 10,410,965 km (0.11 R)
• M12: 12,707,442 km (0.086 R)
• M13: 13,835,110 km (0.061 R)
• M14: 17,812,768 km (0.066 R)
• M15: 21,216,868 km (0.108 R)
• M16: 22,263,903 km (0.066 R)
• M17: 23,660,100 km (0.049 R)
• M18: 30,295,364 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 457.3

Radius: 3.6

Gravity: 35.29 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.65 AU - 8.27 AU

Year: 14064 Days

Day: 24.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 51,157,904 km

• M1: 45,029 km (0.11 R)
• M2: 244,293 km (0.081 R)
• M3: 405,111 km (0.071 R)
• M4: 611,855 km (0.117 R)
• M5: 817,403 km (0.054 R)
• M6: 989,740 km (0.033 R)
• M7: 2,091,677 km (0.101 R)
• M8: 2,221,229 km (0.118 R)
• M9: 3,854,688 km (0.052 R)
• M10: 4,643,817 km (0.097 R)
• M11: 5,747,251 km (0.117 R)
• M12: 6,188,565 km (0.086 R)
• M13: 6,534,136 km (0.114 R)
• M14: 6,691,812 km (0.114 R)
• M15: 7,911,483 km (0.119 R)
• M16: 8,786,631 km (0.05 R)
• M17: 10,618,008 km (0.045 R)
• M18: 13,371,506 km (0.101 R)
• M19: 13,948,057 km (0.066 R)
• M20: 16,132,485 km (0.075 R)
• M21: 17,305,631 km (0.09 R)
• M22: 17,912,999 km (0.082 R)
• M23: 21,078,490 km (0.064 R)
• M24: 21,770,829 km (0.077 R)
• M25: 22,211,245 km (0.095 R)
• M26: 22,478,277 km (0.103 R)
• M27: 23,018,924 km (0.057 R)
• M28: 23,475,945 km (0.045 R)
• M29: 23,753,000 km (0.113 R)
• M30: 24,313,843 km (0.079 R)
• M31: 27,047,744 km (0.097 R)
• M32: 28,593,239 km (0.034 R)
• M33: 36,218,692 km (0.097 R)
• M34: 38,861,488 km (0.084 R)
• M35: 40,826,007 km (0.106 R)
• M36: 42,855,601 km (0.101 R)
• M37: 43,131,310 km (0.117 R)
• M38: 45,093,735 km (0.11 R)
• M39: 45,665,049 km (0.119 R)
• M40: 48,744,521 km (0.101 R)
• M41: 48,894,568 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 364.1

Radius: 4.9

Gravity: 15.16 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.31 AU - 8.35 AU

Year: 15124 Days

Day: 23.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 51,157,904 km

• M1: 61,186 km (0.104 R)
• M2: 258,655 km (0.114 R)
• M3: 494,720 km (0.104 R)
• M4: 990,488 km (0.12 R)
• M5: 1,243,757 km (0.06 R)
• M6: 1,496,428 km (0.104 R)
• M7: 1,766,900 km (0.059 R)
• M8: 2,034,082 km (0.102 R)
• M9: 2,289,446 km (0.103 R)
• M10: 2,566,052 km (0.119 R)
• M11: 3,634,331 km (0.108 R)
• M12: 4,748,236 km (0.105 R)
• M13: 5,399,885 km (0.09 R)
• M14: 5,711,796 km (0.056 R)
• M15: 7,754,555 km (0.112 R)
• M16: 8,062,278 km (0.082 R)
• M17: 10,824,304 km (0.034 R)
• M18: 11,208,620 km (0.118 R)
• M19: 13,020,999 km (0.079 R)
• M20: 13,330,517 km (0.099 R)
• M21: 17,737,820 km (0.092 R)
• M22: 17,965,507 km (0.06 R)
• M23: 20,267,071 km (0.057 R)
• M24: 21,359,883 km (0.092 R)
• M25: 25,158,173 km (0.1 R)
• M26: 26,320,848 km (0.108 R)
• M27: 28,440,799 km (0.115 R)
• M28: 31,330,282 km (0.033 R)
• M29: 33,017,148 km (0.079 R)
• M30: 34,291,871 km (0.111 R)
• M31: 36,693,216 km (0.08 R)
• M32: 37,434,922 km (0.102 R)
• M33: 47,859,201 km (0.083 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 16,924 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit