🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.23 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.1

Radius: 9.1

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.43 AU - 2.47 AU

Year: 2516 Days

Day: 13.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,031,050 km

• M1: 113,096 km (0.111 R)
• M2: 406,906 km (0.071 R)
• M3: 1,492,538 km (0.039 R)
• M4: 1,785,750 km (0.079 R)
• M5: 2,679,148 km (0.11 R)
• M6: 3,268,115 km (0.048 R)
• M7: 3,584,515 km (0.085 R)
• M8: 3,921,409 km (0.098 R)
• M9: 4,924,912 km (0.076 R)
• M10: 5,859,150 km (0.112 R)
• M11: 6,935,656 km (0.082 R)
• M12: 7,490,964 km (0.116 R)
• M13: 8,298,643 km (0.045 R)
• M14: 9,546,289 km (0.049 R)
• M15: 10,086,337 km (0.084 R)
• M16: 10,608,434 km (0.113 R)
• M17: 11,625,999 km (0.094 R)
• M18: 12,034,251 km (0.101 R)
• M19: 12,325,668 km (0.117 R)
• M20: 13,053,013 km (0.078 R)
• M21: 14,036,469 km (0.064 R)
• M22: 14,546,448 km (0.079 R)
• M23: 15,850,493 km (0.115 R)
• M24: 16,150,586 km (0.088 R)
• M25: 17,230,832 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.1

Radius: 14.7

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3 AU - 3.16 AU

Year: 3546 Days

Day: 11.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,031,050 km

• M1: 182,809 km (0.103 R)
• M2: 754,721 km (0.069 R)
• M3: 1,991,148 km (0.065 R)
• M4: 4,583,380 km (0.069 R)
• M5: 5,455,086 km (0.088 R)
• M6: 5,982,718 km (0.104 R)
• M7: 7,348,397 km (0.109 R)
• M8: 8,025,477 km (0.101 R)
• M9: 8,610,255 km (0.055 R)
• M10: 11,439,899 km (0.037 R)
• M11: 19,208,367 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.3

Radius: 12.8

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.23 AU - 4.49 AU

Year: 4975 Days

Day: 5.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,031,050 km

• M1: 159,172 km (0.083 R)
• M2: 581,936 km (0.049 R)
• M3: 1,175,989 km (0.091 R)
• M4: 2,040,515 km (0.091 R)
• M5: 2,884,247 km (0.086 R)
• M6: 3,387,195 km (0.118 R)
• M7: 4,618,535 km (0.082 R)
• M8: 5,030,976 km (0.084 R)
• M9: 5,574,765 km (0.11 R)
• M10: 7,610,044 km (0.115 R)
• M11: 8,868,760 km (0.035 R)
• M12: 11,053,787 km (0.043 R)
• M13: 11,707,230 km (0.029 R)
• M14: 14,275,526 km (0.025 R)
• M15: 15,583,461 km (0.102 R)
• M16: 16,294,350 km (0.105 R)
• M17: 17,839,995 km (0.072 R)
• M18: 20,371,191 km (0.053 R)
• M19: 21,221,356 km (0.098 R)
• M20: 22,368,771 km (0.066 R)
• M21: 23,344,299 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.9

Radius: 12.3

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 4.48 AU - 6.82 AU

Year: 8810 Days

Day: 11.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,031,050 km

• M1: 153,936 km (0.073 R)
• M2: 778,208 km (0.113 R)
• M3: 1,313,170 km (0.05 R)
• M4: 1,741,170 km (0.074 R)
• M5: 2,582,059 km (0.1 R)
• M6: 4,430,042 km (0.072 R)
• M7: 7,115,174 km (0.09 R)
• M8: 7,810,954 km (0.07 R)
• M9: 8,596,642 km (0.082 R)
• M10: 11,878,221 km (0.076 R)
• M11: 12,448,188 km (0.102 R)
• M12: 12,917,327 km (0.097 R)
• M13: 13,520,207 km (0.053 R)
• M14: 17,981,963 km (0.107 R)
• M15: 20,140,810 km (0.068 R)
• M16: 21,785,040 km (0.079 R)
• M17: 22,209,749 km (0.108 R)
• M18: 23,339,961 km (0.102 R)
• M19: 24,054,290 km (0.043 R)
• M20: 26,284,944 km (0.11 R)
• M21: 29,160,215 km (0.103 R)
• M22: 30,198,574 km (0.048 R)
• M23: 32,680,253 km (0.12 R)
• M24: 35,062,151 km (0.102 R)
• M25: 43,836,514 km (0.104 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229

Radius: 3.4

Gravity: 19.81 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.43 AU - 6.89 AU

Year: 10030 Days

Day: 19.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 67,031,050 km

• M1: 42,336 km (0.098 R)
• M2: 156,928 km (0.097 R)
• M3: 359,484 km (0.113 R)
• M4: 788,830 km (0.041 R)
• M5: 932,144 km (0.072 R)
• M6: 1,216,979 km (0.099 R)
• M7: 1,397,394 km (0.052 R)
• M8: 1,544,299 km (0.09 R)
• M9: 1,956,890 km (0.093 R)
• M10: 2,353,474 km (0.106 R)
• M11: 2,839,517 km (0.082 R)
• M12: 3,520,636 km (0.085 R)
• M13: 3,840,177 km (0.1 R)
• M14: 4,153,884 km (0.104 R)
• M15: 6,707,071 km (0.09 R)
• M16: 7,054,736 km (0.077 R)
• M17: 8,445,997 km (0.118 R)
• M18: 8,851,257 km (0.092 R)
• M19: 11,460,842 km (0.04 R)
• M20: 16,207,583 km (0.113 R)
• M21: 17,343,928 km (0.04 R)
• M22: 19,008,504 km (0.074 R)
• M23: 21,439,170 km (0.069 R)
• M24: 23,669,525 km (0.084 R)
• M25: 25,880,581 km (0.115 R)
• M26: 31,183,377 km (0.082 R)
• M27: 32,736,951 km (0.114 R)

Asteroid Belt

Center: 6.9 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 219.5

Radius: 6.4

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7 AU - 8.26 AU

Year: 13826 Days

Day: 16 Hours

Environment

Temp: -232 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,031,050 km

• M1: 81,980 km (0.063 R)
• M2: 297,401 km (0.087 R)
• M3: 573,857 km (0.115 R)
• M4: 1,435,990 km (0.085 R)
• M5: 2,362,150 km (0.051 R)
• M6: 2,699,344 km (0.115 R)
• M7: 2,962,487 km (0.12 R)
• M8: 3,176,561 km (0.111 R)
• M9: 3,423,846 km (0.08 R)
• M10: 3,957,312 km (0.097 R)
• M11: 4,572,758 km (0.068 R)
• M12: 5,532,578 km (0.098 R)
• M13: 7,100,513 km (0.112 R)
• M14: 8,047,767 km (0.067 R)
• M15: 10,730,057 km (0.106 R)
• M16: 14,074,916 km (0.093 R)
• M17: 14,682,433 km (0.079 R)
• M18: 15,055,231 km (0.11 R)
• M19: 18,126,475 km (0.072 R)
• M20: 19,583,109 km (0.092 R)
• M21: 21,671,196 km (0.109 R)
• M22: 23,903,047 km (0.111 R)
• M23: 30,796,966 km (0.102 R)
• M24: 31,716,394 km (0.048 R)
• M25: 34,149,005 km (0.116 R)
• M26: 35,023,405 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.7

Radius: 7

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 9.35 AU - 12.31 AU

Year: 23380 Days

Day: 22.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,031,050 km

• M1: 92,003 km (0.034 R)
• M2: 361,279 km (0.112 R)
• M3: 923,019 km (0.04 R)
• M4: 2,860,012 km (0.073 R)
• M5: 6,948,971 km (0.09 R)
• M6: 8,011,265 km (0.117 R)
• M7: 9,663,723 km (0.118 R)
• M8: 11,906,644 km (0.047 R)
• M9: 16,509,322 km (0.114 R)
• M10: 21,983,258 km (0.105 R)
• M11: 25,178,070 km (0.102 R)
• M12: 35,269,942 km (0.108 R)
• M13: 36,594,182 km (0.116 R)
• M14: 39,482,319 km (0.118 R)
• M15: 40,049,145 km (0.091 R)
• M16: 42,964,957 km (0.111 R)
• M17: 46,489,633 km (0.12 R)
• M18: 54,982,902 km (0.113 R)
• M19: 60,996,288 km (0.118 R)
• M20: 63,868,866 km (0.067 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: 372 - 20,225 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit