🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.6

Radius: 12.1

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.44 AU - 0.6 AU

Year: 264 Days

Day: 9.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 40,800,856 km

• M1: 150,645 km (0.116 R)
• M2: 635,492 km (0.102 R)
• M3: 1,057,358 km (0.103 R)
• M4: 1,482,365 km (0.089 R)
• M5: 1,914,853 km (0.076 R)
• M6: 2,332,680 km (0.114 R)
• M7: 2,756,490 km (0.066 R)
• M8: 3,221,590 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250

Radius: 12.2

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.62 AU - 0.82 AU

Year: 429 Days

Day: 5.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,800,856 km

• M1: 151,692 km (0.069 R)
• M2: 782,247 km (0.112 R)
• M3: 1,364,033 km (0.099 R)
• M4: 2,029,146 km (0.1 R)
• M5: 2,845,651 km (0.117 R)
• M6: 3,504,031 km (0.105 R)
• M7: 3,974,217 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.5

Radius: 13.7

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.85 AU - 1.11 AU

Year: 682 Days

Day: 7.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,800,856 km

• M1: 170,542 km (0.114 R)
• M2: 929,900 km (0.041 R)
• M3: 1,403,228 km (0.05 R)
• M4: 2,026,303 km (0.097 R)
• M5: 2,595,673 km (0.1 R)
• M6: 3,364,755 km (0.1 R)
• M7: 3,861,271 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.5

Radius: 11.8

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.84 AU - 1.12 AU

Year: 682 Days

Day: 7.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,800,856 km

• M1: 147,055 km (0.089 R)
• M2: 556,055 km (0.095 R)
• M3: 979,567 km (0.092 R)
• M4: 1,406,070 km (0.049 R)
• M5: 1,773,333 km (0.098 R)
• M6: 2,146,580 km (0.056 R)
• M7: 2,595,373 km (0.076 R)
• M8: 3,516,298 km (0.079 R)
• M9: 4,693,633 km (0.094 R)
• M10: 5,181,621 km (0.075 R)
• M11: 6,117,506 km (0.101 R)
• M12: 6,722,480 km (0.088 R)
• M13: 7,321,320 km (0.064 R)
• M14: 8,702,407 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.9

Radius: 12.3

Gravity: 6.15 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.66 AU - 2.66 AU

Year: 2231 Days

Day: 13.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,800,856 km

• M1: 153,039 km (0.12 R)
• M2: 818,300 km (0.073 R)
• M3: 1,267,543 km (0.093 R)
• M4: 2,909,529 km (0.049 R)
• M5: 3,359,669 km (0.104 R)
• M6: 3,779,889 km (0.12 R)
• M7: 4,551,814 km (0.087 R)
• M8: 5,598,850 km (0.116 R)
• M9: 6,658,751 km (0.102 R)
• M10: 7,326,257 km (0.099 R)
• M11: 8,166,398 km (0.081 R)
• M12: 8,795,308 km (0.115 R)
• M13: 9,708,004 km (0.088 R)
• M14: 10,300,412 km (0.086 R)
• M15: 11,395,019 km (0.07 R)
• M16: 12,012,559 km (0.116 R)
• M17: 13,180,470 km (0.102 R)
• M18: 13,815,064 km (0.079 R)
• M19: 18,005,001 km (0.071 R)
• M20: 18,449,008 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.4

Radius: 13.7

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 4.33 AU - 5.67 AU

Year: 7859 Days

Day: 8.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 40,800,856 km

• M1: 170,691 km (0.082 R)
• M2: 644,916 km (0.119 R)
• M3: 1,502,711 km (0.107 R)
• M4: 2,156,902 km (0.081 R)
• M5: 2,753,050 km (0.082 R)
• M6: 3,480,993 km (0.104 R)
• M7: 4,147,900 km (0.048 R)
• M8: 4,724,301 km (0.097 R)
• M9: 5,168,606 km (0.061 R)
• M10: 6,930,720 km (0.088 R)
• M11: 7,427,983 km (0.08 R)
• M12: 8,710,934 km (0.09 R)
• M13: 9,474,632 km (0.112 R)
• M14: 10,185,221 km (0.099 R)
• M15: 11,981,892 km (0.077 R)
• M16: 16,529,218 km (0.107 R)
• M17: 17,073,755 km (0.118 R)
• M18: 20,518,246 km (0.108 R)
• M19: 23,028,647 km (0.097 R)
• M20: 25,108,058 km (0.115 R)
• M21: 25,556,552 km (0.076 R)
• M22: 26,101,836 km (0.077 R)
• M23: 28,945,542 km (0.094 R)
• M24: 29,637,732 km (0.107 R)
• M25: 35,353,866 km (0.076 R)
• M26: 37,179,260 km (0.11 R)
• M27: 39,307,140 km (0.053 R)
• M28: 40,034,036 km (0.111 R)
• M29: 40,893,476 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.6

Radius: 8.2

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.95 AU - 6.47 AU

Year: 8359 Days

Day: 11.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 40,800,856 km

• M1: 102,026 km (0.067 R)
• M2: 664,663 km (0.103 R)
• M3: 957,726 km (0.113 R)
• M4: 1,245,402 km (0.119 R)
• M5: 1,511,986 km (0.074 R)
• M6: 1,985,014 km (0.117 R)
• M7: 2,706,674 km (0.099 R)
• M8: 3,053,143 km (0.061 R)
• M9: 3,712,570 km (0.115 R)
• M10: 4,037,647 km (0.032 R)
• M11: 5,128,514 km (0.078 R)
• M12: 5,406,018 km (0.075 R)
• M13: 5,791,682 km (0.091 R)
• M14: 6,947,325 km (0.078 R)
• M15: 7,211,066 km (0.058 R)
• M16: 9,708,154 km (0.046 R)
• M17: 10,972,256 km (0.104 R)
• M18: 13,471,887 km (0.045 R)
• M19: 17,134,791 km (0.119 R)
• M20: 18,538,019 km (0.068 R)
• M21: 21,018,052 km (0.107 R)
• M22: 21,332,956 km (0.1 R)
• M23: 23,711,113 km (0.108 R)
• M24: 24,224,383 km (0.076 R)
• M25: 26,351,665 km (0.079 R)
• M26: 28,312,594 km (0.065 R)
• M27: 28,793,401 km (0.108 R)
• M28: 29,969,689 km (0.107 R)
• M29: 30,569,726 km (0.077 R)
• M30: 34,230,536 km (0.101 R)
• M31: 36,335,228 km (0.107 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 15,022 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit