🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.4

Radius: 13.4

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.14 AU - 1.36 AU

Year: 917 Days

Day: 8.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 96,174,793 km

• M1: 166,951 km (0.057 R)
• M2: 599,289 km (0.026 R)
• M3: 1,230,442 km (0.111 R)
• M4: 1,678,189 km (0.078 R)
• M5: 2,173,208 km (0.075 R)
• M6: 3,826,714 km (0.055 R)
• M7: 5,842,096 km (0.038 R)
• M8: 8,247,480 km (0.083 R)
• M9: 9,235,873 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.3

Radius: 14.8

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.61 AU - 2.01 AU

Year: 1597 Days

Day: 11.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 96,174,793 km

• M1: 184,005 km (0.058 R)
• M2: 708,944 km (0.111 R)
• M3: 1,234,631 km (0.107 R)
• M4: 1,854,116 km (0.063 R)
• M5: 3,118,966 km (0.105 R)
• M6: 4,060,535 km (0.096 R)
• M7: 4,980,712 km (0.089 R)
• M8: 6,174,951 km (0.083 R)
• M9: 8,885,066 km (0.107 R)
• M10: 9,403,872 km (0.06 R)
• M11: 10,072,873 km (0.088 R)
• M12: 10,807,549 km (0.088 R)
• M13: 12,384,310 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.7

Radius: 14.3

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.4 AU - 6.72 AU

Year: 8600 Days

Day: 8.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 96,174,793 km

• M1: 179,368 km (0.116 R)
• M2: 1,112,709 km (0.093 R)
• M3: 2,326,097 km (0.034 R)
• M4: 3,071,992 km (0.106 R)
• M5: 4,946,304 km (0.077 R)
• M6: 13,706,755 km (0.047 R)
• M7: 20,454,816 km (0.038 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 307.1

Radius: 5.3

Gravity: 10.93 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 7.17 AU - 9.17 AU

Year: 15319 Days

Day: 22.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 96,174,793 km

• M1: 145,858 km (0.027 R)
• M2: 354,547 km (0.083 R)
• M3: 845,078 km (0.096 R)
• M4: 1,204,861 km (0.115 R)
• M5: 1,799,662 km (0.097 R)
• M6: 1,996,384 km (0.108 R)
• M7: 2,375,465 km (0.045 R)
• M8: 3,066,457 km (0.085 R)
• M9: 3,596,183 km (0.061 R)
• M10: 4,327,268 km (0.095 R)
• M11: 4,621,826 km (0.109 R)
• M12: 4,960,965 km (0.091 R)
• M13: 5,517,768 km (0.111 R)
• M14: 7,151,227 km (0.047 R)
• M15: 7,647,294 km (0.098 R)
• M16: 8,754,168 km (0.08 R)
• M17: 10,477,236 km (0.119 R)
• M18: 11,225,824 km (0.097 R)
• M19: 14,126,677 km (0.064 R)
• M20: 14,643,388 km (0.042 R)
• M21: 16,980,854 km (0.057 R)
• M22: 19,161,692 km (0.113 R)
• M23: 19,794,641 km (0.05 R)
• M24: 21,437,824 km (0.109 R)
• M25: 28,004,721 km (0.102 R)
• M26: 29,965,201 km (0.112 R)
• M27: 30,389,311 km (0.105 R)
• M28: 34,852,863 km (0.047 R)
• M29: 35,086,834 km (0.084 R)
• M30: 36,152,869 km (0.097 R)
• M31: 43,409,861 km (0.074 R)
• M32: 45,052,296 km (0.093 R)
• M33: 46,593,753 km (0.031 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128.2

Radius: 6.9

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 6.76 AU - 10.3 AU

Year: 16343 Days

Day: 19.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 96,174,793 km

• M1: 86,468 km (0.117 R)
• M2: 380,427 km (0.097 R)
• M3: 1,205,609 km (0.094 R)
• M4: 2,087,339 km (0.097 R)
• M5: 11,047,504 km (0.077 R)
• M6: 15,970,470 km (0.034 R)
• M7: 24,907,597 km (0.088 R)
• M8: 26,128,166 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 694.1

Radius: 7.5

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 7.79 AU - 12.81 AU

Year: 21685 Days

Day: 15.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 96,174,793 km

• M1: 178,769 km (0.107 R)
• M2: 435,779 km (0.067 R)
• M3: 757,264 km (0.092 R)
• M4: 1,644,081 km (0.098 R)
• M5: 4,341,929 km (0.051 R)
• M6: 5,288,285 km (0.059 R)
• M7: 5,524,949 km (0.085 R)
• M8: 8,038,043 km (0.1 R)
• M9: 8,892,247 km (0.114 R)
• M10: 9,341,489 km (0.107 R)
• M11: 9,746,900 km (0.081 R)
• M12: 10,407,673 km (0.096 R)
• M13: 10,843,452 km (0.111 R)
• M14: 12,087,658 km (0.117 R)
• M15: 15,975,856 km (0.036 R)
• M16: 27,022,911 km (0.088 R)
• M17: 28,928,787 km (0.098 R)
• M18: 34,081,985 km (0.096 R)
• M19: 34,491,584 km (0.118 R)
• M20: 36,588,498 km (0.069 R)
• M21: 48,530,447 km (0.038 R)
• M22: 50,803,287 km (0.114 R)
• M23: 52,417,748 km (0.033 R)
• M24: 54,996,665 km (0.084 R)
• M25: 56,889,826 km (0.085 R)
• M26: 59,021,895 km (0.086 R)
• M27: 59,612,508 km (0.111 R)
• M28: 63,033,811 km (0.053 R)
• M29: 65,736,895 km (0.045 R)
• M30: 70,264,923 km (0.068 R)
• M31: 72,717,730 km (0.076 R)
• M32: 78,266,315 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 966

Radius: 6.5

Gravity: 22.86 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.99 AU - 12.01 AU

Year: 23933 Days

Day: 23.8 Hours

Environment

Temp: -242 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 96,174,793 km

• M1: 81,830 km (0.08 R)
• M2: 312,061 km (0.088 R)
• M3: 826,827 km (0.08 R)
• M4: 1,234,781 km (0.072 R)
• M5: 1,459,626 km (0.099 R)
• M6: 1,731,147 km (0.116 R)
• M7: 1,972,298 km (0.101 R)
• M8: 3,565,665 km (0.103 R)
• M9: 4,061,283 km (0.101 R)
• M10: 5,270,931 km (0.083 R)
• M11: 6,230,901 km (0.097 R)
• M12: 7,667,788 km (0.09 R)
• M13: 8,548,770 km (0.103 R)
• M14: 8,895,837 km (0.111 R)
• M15: 13,359,838 km (0.085 R)
• M16: 14,713,399 km (0.078 R)
• M17: 22,107,573 km (0.111 R)
• M18: 22,433,098 km (0.105 R)
• M19: 23,428,822 km (0.066 R)
• M20: 24,569,356 km (0.116 R)
• M21: 26,837,708 km (0.067 R)
• M22: 27,707,470 km (0.119 R)
• M23: 36,397,910 km (0.098 R)
• M24: 39,020,361 km (0.111 R)
• M25: 39,337,059 km (0.095 R)
• M26: 47,279,210 km (0.098 R)
• M27: 47,638,993 km (0.112 R)
• M28: 51,338,548 km (0.101 R)
• M29: 53,647,592 km (0.056 R)
• M30: 62,274,302 km (0.116 R)
• M31: 79,640,521 km (0.098 R)
• M32: 81,950,162 km (0.082 R)
• M33: 85,631,018 km (0.12 R)
• M34: 87,241,888 km (0.098 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: 513 - 15,177 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit