🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.9

Radius: 8.1

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.5 AU - 0.6 AU

Year: 277 Days

Day: 6.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 46,346,918 km

• M1: 100,679 km (0.117 R)
• M2: 451,786 km (0.107 R)
• M3: 888,611 km (0.072 R)
• M4: 1,308,682 km (0.062 R)
• M5: 1,565,691 km (0.106 R)
• M6: 1,876,705 km (0.119 R)
• M7: 2,198,790 km (0.098 R)
• M8: 2,474,498 km (0.098 R)
• M9: 2,927,182 km (0.116 R)
• M10: 3,193,167 km (0.107 R)
• M11: 3,676,368 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602.7

Radius: 9.5

Gravity: 6.68 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.49 AU - 0.65 AU

Year: 292 Days

Day: 6.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,346,918 km

• M1: 118,332 km (0.109 R)
• M2: 462,108 km (0.074 R)
• M3: 878,140 km (0.062 R)
• M4: 1,666,520 km (0.069 R)
• M5: 2,082,402 km (0.072 R)
• M6: 2,673,912 km (0.043 R)
• M7: 3,681,604 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792

Radius: 10.8

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.48 AU - 2.02 AU

Year: 1570 Days

Day: 6.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,346,918 km

• M1: 134,339 km (0.093 R)
• M2: 665,262 km (0.088 R)
• M3: 1,008,290 km (0.077 R)
• M4: 1,650,214 km (0.115 R)
• M5: 2,013,887 km (0.104 R)
• M6: 2,381,000 km (0.052 R)
• M7: 4,063,677 km (0.089 R)
• M8: 5,708,954 km (0.109 R)
• M9: 6,378,105 km (0.068 R)
• M10: 6,835,426 km (0.097 R)
• M11: 7,959,205 km (0.1 R)
• M12: 8,399,920 km (0.084 R)
• M13: 8,887,759 km (0.07 R)
• M14: 9,720,870 km (0.098 R)
• M15: 11,394,720 km (0.115 R)
• M16: 12,691,285 km (0.054 R)
• M17: 13,334,556 km (0.097 R)
• M18: 13,747,446 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.5

Radius: 10.6

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.62 AU - 2.04 AU

Year: 1679 Days

Day: 11.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 46,346,918 km

• M1: 131,945 km (0.073 R)
• M2: 814,411 km (0.062 R)
• M3: 1,431,053 km (0.081 R)
• M4: 2,128,628 km (0.103 R)
• M5: 2,874,224 km (0.038 R)
• M6: 3,714,515 km (0.034 R)
• M7: 4,466,544 km (0.084 R)
• M8: 4,836,649 km (0.108 R)
• M9: 5,384,925 km (0.117 R)
• M10: 6,527,853 km (0.117 R)
• M11: 7,198,350 km (0.092 R)
• M12: 8,304,477 km (0.111 R)
• M13: 8,771,073 km (0.091 R)
• M14: 9,222,410 km (0.104 R)
• M15: 9,893,805 km (0.107 R)
• M16: 10,633,566 km (0.089 R)
• M17: 11,296,584 km (0.115 R)
• M18: 11,715,308 km (0.075 R)
• M19: 12,262,986 km (0.051 R)
• M20: 12,746,038 km (0.096 R)
• M21: 13,452,140 km (0.027 R)
• M22: 13,836,307 km (0.064 R)
• M23: 15,124,494 km (0.085 R)
• M24: 15,774,198 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.8

Radius: 11.8

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.71 AU - 2.03 AU

Year: 1734 Days

Day: 7.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 46,346,918 km

• M1: 146,756 km (0.119 R)
• M2: 937,979 km (0.115 R)
• M3: 1,348,176 km (0.087 R)
• M4: 1,790,537 km (0.099 R)
• M5: 2,487,065 km (0.067 R)
• M6: 2,878,562 km (0.039 R)
• M7: 3,266,320 km (0.099 R)
• M8: 3,821,178 km (0.103 R)
• M9: 4,438,270 km (0.117 R)
• M10: 4,959,020 km (0.11 R)
• M11: 5,413,049 km (0.042 R)
• M12: 5,894,904 km (0.058 R)
• M13: 6,333,824 km (0.082 R)
• M14: 10,275,429 km (0.12 R)
• M15: 11,973,814 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.5

Radius: 11.1

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.84 AU - 5.22 AU

Year: 6539 Days

Day: 6.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 46,346,918 km

• M1: 138,079 km (0.1 R)
• M2: 812,765 km (0.028 R)
• M3: 1,347,578 km (0.107 R)
• M4: 2,386,236 km (0.073 R)
• M5: 3,389,888 km (0.073 R)
• M6: 4,361,676 km (0.082 R)
• M7: 5,536,168 km (0.045 R)
• M8: 7,062,366 km (0.116 R)
• M9: 7,500,239 km (0.11 R)
• M10: 10,519,872 km (0.117 R)
• M11: 11,727,875 km (0.106 R)
• M12: 14,318,760 km (0.102 R)
• M13: 15,175,507 km (0.12 R)
• M14: 15,959,400 km (0.071 R)
• M15: 16,388,447 km (0.057 R)
• M16: 18,887,330 km (0.03 R)
• M17: 19,549,749 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.2

Radius: 4.2

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 8.43 AU - 9.15 AU

Year: 17676 Days

Day: 24.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 46,346,918 km

• M1: 52,210 km (0.068 R)
• M2: 271,670 km (0.119 R)
• M3: 684,261 km (0.106 R)
• M4: 847,322 km (0.095 R)
• M5: 983,905 km (0.084 R)
• M6: 1,685,818 km (0.081 R)
• M7: 2,552,588 km (0.095 R)
• M8: 2,756,341 km (0.049 R)
• M9: 3,015,145 km (0.031 R)
• M10: 4,529,076 km (0.037 R)
• M11: 5,633,257 km (0.089 R)
• M12: 6,193,202 km (0.054 R)
• M13: 6,905,438 km (0.076 R)
• M14: 7,546,315 km (0.102 R)
• M15: 8,535,755 km (0.074 R)
• M16: 8,807,425 km (0.046 R)
• M17: 10,406,028 km (0.102 R)
• M18: 10,663,935 km (0.046 R)
• M19: 11,300,474 km (0.084 R)
• M20: 11,794,296 km (0.109 R)
• M21: 12,590,755 km (0.088 R)
• M22: 22,877,254 km (0.114 R)
• M23: 23,666,383 km (0.084 R)
• M24: 24,473,314 km (0.085 R)
• M25: 26,618,697 km (0.115 R)
• M26: 31,924,485 km (0.103 R)
• M27: 35,516,778 km (0.095 R)
• M28: 36,218,991 km (0.108 R)
• M29: 36,692,319 km (0.096 R)
• M30: 44,835,978 km (0.111 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: 494 - 16,855 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit