🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585

Radius: 11.1

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.47 AU - 0.55 AU

Year: 243 Days

Day: 5 Hours

Environment

Temp: -135 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,554,622 km

• M1: 138,079 km (0.079 R)
• M2: 491,130 km (0.08 R)
• M3: 924,066 km (0.039 R)
• M4: 1,487,302 km (0.091 R)
• M5: 1,909,467 km (0.073 R)
• M6: 2,459,838 km (0.047 R)
• M7: 2,862,705 km (0.099 R)
• M8: 3,240,140 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.6

Radius: 9.6

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.99 AU - 1.37 AU

Year: 855 Days

Day: 7.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,554,622 km

• M1: 119,379 km (0.093 R)
• M2: 518,207 km (0.081 R)
• M3: 862,731 km (0.101 R)
• M4: 1,183,768 km (0.072 R)
• M5: 1,492,987 km (0.092 R)
• M6: 1,808,189 km (0.094 R)
• M7: 2,299,020 km (0.072 R)
• M8: 2,810,346 km (0.048 R)
• M9: 4,117,831 km (0.067 R)
• M10: 4,515,462 km (0.102 R)
• M11: 5,285,742 km (0.104 R)
• M12: 5,720,473 km (0.07 R)
• M13: 6,122,592 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.6

Radius: 11.6

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.02 AU - 1.36 AU

Year: 866 Days

Day: 10.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,554,622 km

• M1: 144,212 km (0.098 R)
• M2: 614,997 km (0.095 R)
• M3: 1,119,291 km (0.12 R)
• M4: 1,613,413 km (0.105 R)
• M5: 2,091,827 km (0.105 R)
• M6: 2,652,819 km (0.107 R)
• M7: 3,219,346 km (0.115 R)
• M8: 3,717,956 km (0.118 R)
• M9: 4,235,714 km (0.113 R)
• M10: 5,120,586 km (0.117 R)
• M11: 5,530,484 km (0.078 R)
• M12: 6,043,156 km (0.075 R)
• M13: 7,073,137 km (0.1 R)
• M14: 7,870,942 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.1

Radius: 13.1

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.12 AU - 1.52 AU

Year: 1011 Days

Day: 6.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 179.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 40,554,622 km

• M1: 162,912 km (0.04 R)
• M2: 605,123 km (0.118 R)
• M3: 1,034,020 km (0.047 R)
• M4: 1,487,900 km (0.116 R)
• M5: 1,930,261 km (0.06 R)
• M6: 2,518,630 km (0.084 R)
• M7: 3,435,665 km (0.109 R)
• M8: 3,996,058 km (0.075 R)
• M9: 4,960,366 km (0.087 R)
• M10: 5,478,124 km (0.111 R)
• M11: 6,159,842 km (0.118 R)
• M12: 6,944,034 km (0.093 R)
• M13: 8,362,521 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455

Radius: 13.8

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.16 AU - 1.58 AU

Year: 1069 Days

Day: 14.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,554,622 km

• M1: 171,738 km (0.093 R)
• M2: 659,427 km (0.099 R)
• M3: 1,181,973 km (0.086 R)
• M4: 2,344,348 km (0.089 R)
• M5: 2,794,937 km (0.089 R)
• M6: 3,426,838 km (0.072 R)
• M7: 4,121,122 km (0.1 R)
• M8: 5,015,269 km (0.111 R)
• M9: 5,912,856 km (0.116 R)
• M10: 6,649,027 km (0.115 R)
• M11: 7,142,550 km (0.105 R)
• M12: 9,339,096 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.4

Radius: 8

Gravity: 12.26 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.73 AU - 2.87 AU

Year: 2326 Days

Day: 7.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 40,554,622 km

• M1: 99,931 km (0.092 R)
• M2: 500,554 km (0.079 R)
• M3: 828,024 km (0.1 R)
• M4: 1,102,387 km (0.088 R)
• M5: 1,537,717 km (0.025 R)
• M6: 2,292,139 km (0.054 R)
• M7: 2,572,934 km (0.116 R)
• M8: 3,070,496 km (0.086 R)
• M9: 4,445,600 km (0.118 R)
• M10: 4,750,181 km (0.117 R)
• M11: 5,623,085 km (0.1 R)
• M12: 5,876,354 km (0.085 R)
• M13: 6,137,253 km (0.119 R)
• M14: 6,654,562 km (0.093 R)
• M15: 7,083,160 km (0.099 R)
• M16: 7,439,203 km (0.049 R)
• M17: 7,901,012 km (0.05 R)
• M18: 8,513,316 km (0.062 R)
• M19: 11,282,223 km (0.083 R)
• M20: 11,850,844 km (0.112 R)
• M21: 12,226,185 km (0.116 R)
• M22: 13,625,823 km (0.102 R)
• M23: 15,324,656 km (0.097 R)
• M24: 15,620,860 km (0.087 R)
• M25: 16,896,780 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210

Radius: 14.6

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.2 AU - 3.42 AU

Year: 3141 Days

Day: 10.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,554,622 km

• M1: 181,612 km (0.088 R)
• M2: 830,567 km (0.113 R)
• M3: 1,645,876 km (0.03 R)
• M4: 2,340,907 km (0.05 R)
• M5: 3,105,053 km (0.105 R)
• M6: 3,783,480 km (0.117 R)
• M7: 5,241,909 km (0.041 R)
• M8: 5,757,274 km (0.068 R)
• M9: 6,606,990 km (0.082 R)
• M10: 7,820,528 km (0.077 R)
• M11: 8,345,916 km (0.106 R)
• M12: 9,532,825 km (0.064 R)
• M13: 10,099,053 km (0.043 R)
• M14: 12,357,383 km (0.039 R)
• M15: 14,323,847 km (0.05 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.7

Radius: 8.1

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.58 AU - 3.76 AU

Year: 3764 Days

Day: 6.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,554,622 km

• M1: 100,979 km (0.049 R)
• M2: 379,081 km (0.083 R)
• M3: 721,062 km (0.116 R)
• M4: 991,385 km (0.115 R)
• M5: 1,907,672 km (0.032 R)
• M6: 3,969,131 km (0.089 R)
• M7: 6,053,328 km (0.037 R)
• M8: 6,622,099 km (0.099 R)
• M9: 7,741,091 km (0.104 R)
• M10: 8,280,541 km (0.054 R)
• M11: 8,609,507 km (0.104 R)
• M12: 10,087,235 km (0.114 R)
• M13: 12,438,614 km (0.104 R)
• M14: 12,914,186 km (0.091 R)
• M15: 13,446,754 km (0.064 R)
• M16: 14,132,960 km (0.034 R)
• M17: 14,555,873 km (0.098 R)
• M18: 17,060,291 km (0.073 R)
• M19: 17,539,752 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 695.2

Radius: 3.5

Gravity: 56.75 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 9.1 AU - 10.82 AU

Year: 20961 Days

Day: 19.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 40,554,622 km

• M1: 48,619 km (0.069 R)
• M2: 229,034 km (0.072 R)
• M3: 366,515 km (0.115 R)
• M4: 693,386 km (0.039 R)
• M5: 827,127 km (0.098 R)
• M6: 1,093,261 km (0.102 R)
• M7: 1,683,425 km (0.091 R)
• M8: 2,006,706 km (0.118 R)
• M9: 2,130,274 km (0.063 R)
• M10: 2,603,153 km (0.119 R)
• M11: 3,088,298 km (0.087 R)
• M12: 3,309,703 km (0.058 R)
• M13: 3,846,460 km (0.108 R)
• M14: 5,014,670 km (0.055 R)
• M15: 5,281,702 km (0.08 R)
• M16: 5,438,481 km (0.081 R)
• M17: 8,601,429 km (0.061 R)
• M18: 8,763,892 km (0.035 R)
• M19: 9,607,325 km (0.084 R)
• M20: 11,519,036 km (0.114 R)
• M21: 11,983,238 km (0.07 R)
• M22: 12,598,385 km (0.088 R)
• M23: 14,190,106 km (0.095 R)
• M24: 15,269,903 km (0.117 R)
• M25: 16,486,433 km (0.06 R)
• M26: 17,418,428 km (0.118 R)
• M27: 21,006,084 km (0.096 R)
• M28: 25,499,256 km (0.094 R)
• M29: 31,480,927 km (0.036 R)
• M30: 31,996,292 km (0.075 R)
• M31: 33,442,454 km (0.092 R)
• M32: 52,868,187 km (0.114 R)
• M33: 55,444,561 km (0.109 R)
• M34: 56,573,876 km (0.041 R)
• M35: 56,763,566 km (0.114 R)
• M36: 65,327,894 km (0.103 R)
• M37: 66,798,890 km (0.049 R)
• M38: 67,436,027 km (0.075 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79

Radius: 7

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 8.18 AU - 12.96 AU

Year: 22916 Days

Day: 24.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,554,622 km

• M1: 87,216 km (0.07 R)
• M2: 1,246,599 km (0.062 R)
• M3: 2,054,876 km (0.114 R)
• M4: 2,414,510 km (0.078 R)
• M5: 2,937,803 km (0.059 R)
• M6: 3,510,763 km (0.066 R)
• M7: 3,750,119 km (0.059 R)
• M8: 4,000,397 km (0.099 R)
• M9: 4,235,116 km (0.083 R)
• M10: 6,783,216 km (0.088 R)
• M11: 8,568,368 km (0.113 R)
• M12: 18,204,266 km (0.086 R)
• M13: 31,598,661 km (0.036 R)
• M14: 34,129,707 km (0.089 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 12,909 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit