🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.52 AU - 0.74 AU

Year: 328 Days

Day: 44 Hours

Environment

Temp: -126 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.1

Radius: 10.2

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.73 AU - 1.15 AU

Year: 598 Days

Day: 6 Hours

Environment

Temp: -155 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 96,783,474 km

• M1: 126,859 km (0.079 R)
• M2: 464,651 km (0.103 R)
• M3: 783,294 km (0.064 R)
• M4: 1,288,486 km (0.096 R)
• M5: 1,877,154 km (0.117 R)
• M6: 2,385,936 km (0.118 R)
• M7: 2,742,428 km (0.098 R)
• M8: 3,462,892 km (0.096 R)
• M9: 3,908,843 km (0.058 R)
• M10: 4,527,729 km (0.089 R)
• M11: 5,227,249 km (0.098 R)
• M12: 5,691,152 km (0.1 R)
• M13: 6,145,032 km (0.107 R)
• M14: 6,467,266 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.1

Radius: 14.6

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.21 AU - 1.99 AU

Year: 1328 Days

Day: 11.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 96,783,474 km

• M1: 182,210 km (0.117 R)
• M2: 650,003 km (0.064 R)
• M3: 1,238,072 km (0.091 R)
• M4: 1,859,202 km (0.082 R)
• M5: 2,437,249 km (0.114 R)
• M6: 3,295,491 km (0.066 R)
• M7: 3,829,107 km (0.043 R)
• M8: 4,700,515 km (0.111 R)
• M9: 7,292,747 km (0.07 R)
• M10: 8,575,399 km (0.078 R)
• M11: 10,691,012 km (0.12 R)
• M12: 12,566,520 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.8

Radius: 11.6

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.69 AU - 1.71 AU

Year: 1454 Days

Day: 12 Hours

Environment

Temp: -174 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 96,783,474 km

• M1: 144,811 km (0.096 R)
• M2: 601,533 km (0.12 R)
• M3: 1,093,261 km (0.034 R)
• M4: 1,711,549 km (0.113 R)
• M5: 2,210,608 km (0.088 R)
• M6: 3,194,214 km (0.113 R)
• M7: 3,888,049 km (0.082 R)
• M8: 5,576,410 km (0.106 R)
• M9: 6,758,832 km (0.08 R)
• M10: 7,763,980 km (0.112 R)
• M11: 9,234,976 km (0.079 R)
• M12: 11,343,408 km (0.049 R)
• M13: 12,187,589 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.8

Radius: 13.2

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.85 AU - 2.37 AU

Year: 2011 Days

Day: 14.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 96,783,474 km

• M1: 171,439 km (0.079 R)
• M2: 591,360 km (0.093 R)
• M3: 1,281,605 km (0.038 R)
• M4: 1,817,315 km (0.084 R)
• M5: 2,798,827 km (0.119 R)
• M6: 3,631,937 km (0.095 R)
• M7: 4,218,660 km (0.12 R)
• M8: 4,684,508 km (0.09 R)
• M9: 5,120,286 km (0.099 R)
• M10: 6,367,633 km (0.095 R)
• M11: 7,470,768 km (0.06 R)
• M12: 9,166,909 km (0.099 R)
• M13: 9,719,374 km (0.034 R)
• M14: 10,190,757 km (0.057 R)
• M15: 11,363,005 km (0.098 R)
• M16: 14,839,211 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.4

Radius: 12.6

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5 AU - 5.84 AU

Year: 8278 Days

Day: 14.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 96,783,474 km

• M1: 156,779 km (0.025 R)
• M2: 700,417 km (0.087 R)
• M3: 1,616,704 km (0.09 R)
• M4: 2,393,416 km (0.101 R)
• M5: 3,027,412 km (0.096 R)
• M6: 3,704,791 km (0.091 R)
• M7: 9,072,064 km (0.105 R)
• M8: 10,392,414 km (0.085 R)
• M9: 10,890,575 km (0.088 R)
• M10: 11,739,992 km (0.109 R)
• M11: 12,430,985 km (0.037 R)
• M12: 16,420,760 km (0.049 R)
• M13: 27,843,604 km (0.035 R)
• M14: 29,791,070 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881

Radius: 3

Gravity: 97.89 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 4.9 AU - 7.58 AU

Year: 10226 Days

Day: 16.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 96,783,474 km

• M1: 37,250 km (0.085 R)
• M2: 153,487 km (0.088 R)
• M3: 311,014 km (0.097 R)
• M4: 466,596 km (0.095 R)
• M5: 655,687 km (0.099 R)
• M6: 750,084 km (0.079 R)
• M7: 1,148,912 km (0.05 R)
• M8: 1,802,505 km (0.077 R)
• M9: 2,024,957 km (0.058 R)
• M10: 2,323,554 km (0.027 R)
• M11: 3,926,495 km (0.098 R)
• M12: 4,067,417 km (0.036 R)
• M13: 5,596,905 km (0.117 R)
• M14: 5,811,578 km (0.112 R)
• M15: 7,514,301 km (0.087 R)
• M16: 7,864,061 km (0.04 R)
• M17: 9,828,580 km (0.06 R)
• M18: 12,097,082 km (0.074 R)
• M19: 12,395,530 km (0.073 R)
• M20: 14,556,920 km (0.045 R)
• M21: 15,938,756 km (0.073 R)
• M22: 19,281,819 km (0.031 R)
• M23: 22,700,878 km (0.108 R)
• M24: 30,817,610 km (0.107 R)
• M25: 37,561,183 km (0.115 R)
• M26: 37,941,012 km (0.105 R)
• M27: 38,068,320 km (0.049 R)
• M28: 40,274,290 km (0.087 R)
• M29: 45,224,184 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 965.9

Radius: 4.1

Gravity: 57.46 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 10.69 AU - 11.45 AU

Year: 24162 Days

Day: 21.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 96,783,474 km

• M1: 62,382 km (0.108 R)
• M2: 469,887 km (0.033 R)
• M3: 1,012,329 km (0.04 R)
• M4: 1,152,801 km (0.105 R)
• M5: 1,810,733 km (0.114 R)
• M6: 1,954,945 km (0.074 R)
• M7: 2,636,662 km (0.113 R)
• M8: 4,092,699 km (0.096 R)
• M9: 4,306,025 km (0.092 R)
• M10: 4,677,925 km (0.083 R)
• M11: 5,358,895 km (0.119 R)
• M12: 6,964,828 km (0.075 R)
• M13: 11,998,048 km (0.107 R)
• M14: 21,260,251 km (0.057 R)
• M15: 34,965,959 km (0.101 R)
• M16: 36,306,805 km (0.089 R)
• M17: 45,252,907 km (0.109 R)
• M18: 55,161,672 km (0.071 R)
• M19: 56,976,144 km (0.107 R)
• M20: 63,749,637 km (0.082 R)
• M21: 66,421,903 km (0.109 R)
• M22: 75,375,486 km (0.115 R)
• M23: 92,777,308 km (0.117 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 19,142 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit