🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.2

Radius: 13.8

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.69 AU - 1.07 AU

Year: 560 Days

Day: 10.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,619,326 km

• M1: 172,038 km (0.066 R)
• M2: 683,812 km (0.075 R)
• M3: 1,362,837 km (0.093 R)
• M4: 1,971,102 km (0.084 R)
• M5: 2,534,038 km (0.114 R)
• M6: 3,592,892 km (0.057 R)
• M7: 4,140,420 km (0.104 R)
• M8: 4,645,911 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.4

Radius: 10.7

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.73 AU - 1.11 AU

Year: 599 Days

Day: 12.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,619,326 km

• M1: 133,142 km (0.085 R)
• M2: 467,643 km (0.086 R)
• M3: 916,437 km (0.093 R)
• M4: 1,420,731 km (0.077 R)
• M5: 1,820,756 km (0.114 R)
• M6: 2,295,879 km (0.106 R)
• M7: 2,702,934 km (0.092 R)
• M8: 3,042,372 km (0.112 R)
• M9: 3,535,746 km (0.076 R)
• M10: 3,902,859 km (0.069 R)
• M11: 4,295,404 km (0.109 R)
• M12: 4,714,278 km (0.091 R)
• M13: 5,127,617 km (0.119 R)
• M14: 5,972,845 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.1

Radius: 8.6

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.95 AU - 1.06 AU

Year: 678 Days

Day: 8.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,619,326 km

• M1: 107,561 km (0.108 R)
• M2: 385,514 km (0.031 R)
• M3: 768,783 km (0.099 R)
• M4: 1,363,585 km (0.111 R)
• M5: 1,788,443 km (0.08 R)
• M6: 2,141,942 km (0.085 R)
• M7: 2,561,116 km (0.057 R)
• M8: 2,905,490 km (0.082 R)
• M9: 3,234,904 km (0.106 R)
• M10: 4,306,175 km (0.081 R)
• M11: 4,810,170 km (0.065 R)
• M12: 5,614,258 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.4

Radius: 9.2

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.93 AU - 1.23 AU

Year: 761 Days

Day: 7.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,619,326 km

• M1: 114,592 km (0.106 R)
• M2: 455,974 km (0.108 R)
• M3: 904,768 km (0.043 R)
• M4: 1,267,244 km (0.11 R)
• M5: 1,864,139 km (0.098 R)
• M6: 2,163,036 km (0.055 R)
• M7: 2,570,839 km (0.119 R)
• M8: 3,168,632 km (0.094 R)
• M9: 3,473,363 km (0.112 R)
• M10: 3,812,352 km (0.035 R)
• M11: 4,173,332 km (0.047 R)
• M12: 4,557,200 km (0.117 R)
• M13: 4,912,196 km (0.101 R)
• M14: 5,451,496 km (0.096 R)
• M15: 6,251,845 km (0.09 R)
• M16: 6,973,206 km (0.102 R)
• M17: 7,891,587 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.7

Radius: 12.8

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.22 AU - 1.5 AU

Year: 1076 Days

Day: 7.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 116.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,619,326 km

• M1: 180,864 km (0.077 R)
• M2: 603,179 km (0.101 R)
• M3: 1,017,565 km (0.085 R)
• M4: 1,588,580 km (0.072 R)
• M5: 2,191,459 km (0.078 R)
• M6: 2,726,870 km (0.081 R)
• M7: 4,149,845 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605

Radius: 14.8

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.33 AU - 4.43 AU

Year: 5184 Days

Day: 5.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,619,326 km

• M1: 184,454 km (0.081 R)
• M2: 702,362 km (0.098 R)
• M3: 2,015,532 km (0.091 R)
• M4: 2,800,472 km (0.049 R)
• M5: 3,384,951 km (0.033 R)
• M6: 4,004,885 km (0.083 R)
• M7: 4,879,883 km (0.098 R)
• M8: 6,028,196 km (0.114 R)
• M9: 8,548,022 km (0.118 R)
• M10: 9,705,162 km (0.084 R)
• M11: 10,474,394 km (0.117 R)
• M12: 12,826,372 km (0.117 R)
• M13: 13,700,921 km (0.06 R)
• M14: 14,233,639 km (0.077 R)
• M15: 16,804,927 km (0.1 R)
• M16: 19,471,360 km (0.105 R)
• M17: 21,972,038 km (0.087 R)
• M18: 24,059,975 km (0.038 R)
• M19: 24,994,214 km (0.1 R)
• M20: 25,952,388 km (0.047 R)
• M21: 26,934,947 km (0.113 R)

Asteroid Belt

Center: 4.19 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.4

Radius: 14.3

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 3.51 AU - 5.47 AU

Year: 6453 Days

Day: 14.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 173 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,619,326 km

• M1: 182,061 km (0.054 R)
• M2: 946,057 km (0.11 R)
• M3: 1,449,903 km (0.063 R)
• M4: 2,276,281 km (0.093 R)
• M5: 3,506,424 km (0.067 R)
• M6: 4,731,930 km (0.086 R)
• M7: 5,371,012 km (0.074 R)
• M8: 7,864,958 km (0.043 R)
• M9: 9,387,715 km (0.074 R)
• M10: 10,769,252 km (0.109 R)
• M11: 11,436,009 km (0.084 R)
• M12: 11,928,934 km (0.093 R)
• M13: 12,695,175 km (0.113 R)
• M14: 13,548,331 km (0.068 R)
• M15: 15,728,122 km (0.051 R)
• M16: 16,838,437 km (0.094 R)
• M17: 18,000,364 km (0.063 R)
• M18: 19,077,468 km (0.093 R)
• M19: 19,562,016 km (0.08 R)
• M20: 21,065,325 km (0.102 R)
• M21: 23,031,789 km (0.106 R)
• M22: 25,700,465 km (0.064 R)
• M23: 28,389,487 km (0.114 R)
• M24: 29,387,305 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.8

Radius: 11.2

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.77 AU - 5.71 AU

Year: 6999 Days

Day: 9.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,619,326 km

• M1: 139,724 km (0.077 R)
• M2: 537,056 km (0.103 R)
• M3: 1,396,047 km (0.061 R)
• M4: 2,344,199 km (0.1 R)
• M5: 2,781,324 km (0.119 R)
• M6: 4,061,433 km (0.079 R)
• M7: 5,237,421 km (0.11 R)
• M8: 5,652,406 km (0.112 R)
• M9: 6,575,126 km (0.058 R)
• M10: 8,942,362 km (0.095 R)
• M11: 14,963,377 km (0.087 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471

Radius: 14.6

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.07 AU - 5.59 AU

Year: 8346 Days

Day: 7.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,619,326 km

• M1: 181,612 km (0.116 R)
• M2: 691,142 km (0.109 R)
• M3: 1,661,434 km (0.047 R)
• M4: 2,311,437 km (0.061 R)
• M5: 2,772,647 km (0.084 R)
• M6: 3,514,952 km (0.098 R)
• M7: 4,156,128 km (0.1 R)
• M8: 4,763,196 km (0.11 R)
• M9: 5,279,309 km (0.113 R)
• M10: 6,700,788 km (0.117 R)
• M11: 8,122,716 km (0.078 R)
• M12: 9,965,163 km (0.091 R)
• M13: 11,058,275 km (0.077 R)
• M14: 11,608,645 km (0.042 R)
• M15: 13,709,298 km (0.118 R)
• M16: 17,824,437 km (0.068 R)
• M17: 19,218,539 km (0.063 R)
• M18: 19,723,282 km (0.097 R)
• M19: 21,290,919 km (0.093 R)
• M20: 22,381,188 km (0.029 R)
• M21: 24,169,331 km (0.085 R)
• M22: 27,388,827 km (0.076 R)
• M23: 28,305,862 km (0.107 R)
• M24: 30,590,221 km (0.101 R)
• M25: 32,281,126 km (0.111 R)
• M26: 35,739,978 km (0.105 R)
• M27: 36,614,378 km (0.057 R)
• M28: 37,502,840 km (0.089 R)

Planet 10 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.6

Radius: 4.6

Gravity: 46.29 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.02 AU - 6.92 AU

Year: 9894 Days

Day: 22.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 53,619,326 km

• M1: 58,792 km (0.069 R)
• M2: 276,606 km (0.095 R)
• M3: 436,377 km (0.092 R)
• M4: 597,045 km (0.117 R)
• M5: 1,088,175 km (0.099 R)
• M6: 1,271,133 km (0.101 R)
• M7: 1,964,669 km (0.095 R)
• M8: 2,180,987 km (0.116 R)
• M9: 2,473,750 km (0.082 R)
• M10: 2,770,253 km (0.067 R)
• M11: 2,950,070 km (0.06 R)
• M12: 4,082,526 km (0.036 R)
• M13: 4,286,129 km (0.098 R)
• M14: 4,682,413 km (0.099 R)
• M15: 5,907,022 km (0.12 R)
• M16: 6,397,403 km (0.081 R)
• M17: 8,491,325 km (0.112 R)
• M18: 10,725,569 km (0.116 R)
• M19: 11,918,313 km (0.104 R)
• M20: 12,577,142 km (0.053 R)
• M21: 12,884,416 km (0.113 R)
• M22: 13,836,606 km (0.063 R)
• M23: 18,985,765 km (0.088 R)
• M24: 20,979,456 km (0.108 R)
• M25: 21,411,794 km (0.093 R)
• M26: 22,383,581 km (0.066 R)
• M27: 23,108,682 km (0.038 R)
• M28: 23,849,192 km (0.109 R)
• M29: 24,414,971 km (0.105 R)
• M30: 26,565,889 km (0.056 R)
• M31: 27,071,679 km (0.075 R)
• M32: 31,577,418 km (0.107 R)
• M33: 35,085,338 km (0.079 R)
• M34: 36,932,872 km (0.109 R)
• M35: 42,038,049 km (0.039 R)
• M36: 48,640,102 km (0.088 R)
• M37: 52,186,170 km (0.1 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 333 - 12,656 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit