🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.8

Radius: 10.9

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.5 AU - 0.64 AU

Year: 292 Days

Day: 8.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,153,918 km

• M1: 135,536 km (0.052 R)
• M2: 515,215 km (0.095 R)
• M3: 918,681 km (0.068 R)
• M4: 1,493,735 km (0.12 R)
• M5: 1,846,487 km (0.12 R)
• M6: 2,213,600 km (0.118 R)
• M7: 2,696,352 km (0.086 R)
• M8: 3,825,666 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.7

Radius: 14.2

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.21 AU - 1.31 AU

Year: 959 Days

Day: 5.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,153,918 km

• M1: 177,124 km (0.11 R)
• M2: 681,568 km (0.105 R)
• M3: 1,182,721 km (0.062 R)
• M4: 1,663,678 km (0.109 R)
• M5: 2,277,478 km (0.113 R)
• M6: 2,974,155 km (0.11 R)
• M7: 3,579,877 km (0.11 R)
• M8: 4,116,335 km (0.109 R)
• M9: 4,616,141 km (0.085 R)
• M10: 5,117,893 km (0.074 R)
• M11: 6,079,059 km (0.093 R)
• M12: 6,989,213 km (0.11 R)
• M13: 7,628,295 km (0.101 R)
• M14: 8,332,901 km (0.096 R)
• M15: 8,798,599 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.1

Radius: 13.3

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.22 AU - 1.68 AU

Year: 1184 Days

Day: 12.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 57,153,918 km

• M1: 174,730 km (0.076 R)
• M2: 1,138,589 km (0.043 R)
• M3: 1,748,350 km (0.05 R)
• M4: 2,180,987 km (0.079 R)
• M5: 3,065,859 km (0.048 R)
• M6: 3,730,821 km (0.097 R)
• M7: 4,460,111 km (0.089 R)
• M8: 5,420,230 km (0.11 R)
• M9: 5,940,681 km (0.066 R)
• M10: 6,672,963 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169

Radius: 11.5

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.43 AU - 1.69 AU

Year: 1322 Days

Day: 13.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 57,153,918 km

• M1: 143,016 km (0.118 R)
• M2: 633,098 km (0.072 R)
• M3: 995,125 km (0.116 R)
• M4: 2,456,247 km (0.062 R)
• M5: 3,170,876 km (0.047 R)
• M6: 4,272,665 km (0.034 R)
• M7: 6,242,420 km (0.111 R)
• M8: 7,438,156 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825.4

Radius: 10.1

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.81 AU - 2.91 AU

Year: 3281 Days

Day: 5 Hours

Environment

Temp: -211 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 57,153,918 km

• M1: 126,709 km (0.099 R)
• M2: 446,849 km (0.116 R)
• M3: 783,743 km (0.064 R)
• M4: 1,398,441 km (0.082 R)
• M5: 1,838,259 km (0.076 R)
• M6: 2,238,134 km (0.101 R)
• M7: 2,794,787 km (0.043 R)
• M8: 3,271,107 km (0.107 R)
• M9: 4,185,150 km (0.048 R)
• M10: 4,908,306 km (0.099 R)
• M11: 5,850,025 km (0.105 R)
• M12: 6,364,193 km (0.08 R)
• M13: 7,714,762 km (0.063 R)
• M14: 8,054,499 km (0.092 R)
• M15: 9,247,392 km (0.08 R)
• M16: 9,985,508 km (0.078 R)
• M17: 10,389,572 km (0.1 R)
• M18: 15,052,987 km (0.112 R)
• M19: 17,140,625 km (0.045 R)
• M20: 18,554,624 km (0.071 R)
• M21: 21,346,419 km (0.074 R)
• M22: 22,427,414 km (0.119 R)
• M23: 22,911,811 km (0.083 R)
• M24: 23,901,252 km (0.045 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948.3

Radius: 4.1

Gravity: 56.41 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.14 AU - 7.87 AU

Year: 11240 Days

Day: 20.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,153,918 km

• M1: 52,359 km (0.115 R)
• M2: 241,900 km (0.115 R)
• M3: 446,699 km (0.086 R)
• M4: 648,806 km (0.104 R)
• M5: 790,326 km (0.081 R)
• M6: 920,476 km (0.111 R)
• M7: 1,923,978 km (0.117 R)
• M8: 2,239,779 km (0.113 R)
• M9: 3,827,462 km (0.041 R)
• M10: 4,543,138 km (0.065 R)
• M11: 5,379,390 km (0.1 R)
• M12: 6,041,510 km (0.098 R)
• M13: 8,936,229 km (0.084 R)
• M14: 9,968,454 km (0.071 R)
• M15: 10,792,888 km (0.078 R)
• M16: 11,367,344 km (0.094 R)
• M17: 11,543,420 km (0.11 R)
• M18: 11,781,281 km (0.112 R)
• M19: 12,576,543 km (0.041 R)
• M20: 16,715,019 km (0.092 R)
• M21: 18,354,312 km (0.107 R)
• M22: 18,759,723 km (0.076 R)
• M23: 20,965,394 km (0.109 R)
• M24: 24,295,891 km (0.056 R)
• M25: 39,371,916 km (0.06 R)
• M26: 41,834,446 km (0.097 R)
• M27: 43,388,918 km (0.088 R)
• M28: 44,834,931 km (0.06 R)
• M29: 47,518,268 km (0.062 R)
• M30: 48,590,136 km (0.101 R)
• M31: 50,940,917 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 742.3

Radius: 8

Gravity: 11.6 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.23 AU - 7.73 AU

Year: 12508 Days

Day: 15.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,153,918 km

• M1: 103,073 km (0.038 R)
• M2: 384,766 km (0.082 R)
• M3: 674,537 km (0.094 R)
• M4: 938,577 km (0.031 R)
• M5: 1,260,362 km (0.078 R)
• M6: 2,483,325 km (0.12 R)
• M7: 3,156,665 km (0.108 R)
• M8: 3,457,955 km (0.103 R)
• M9: 4,667,454 km (0.087 R)
• M10: 5,689,207 km (0.1 R)
• M11: 6,729,959 km (0.084 R)
• M12: 7,188,626 km (0.069 R)
• M13: 9,033,617 km (0.113 R)
• M14: 10,665,580 km (0.11 R)
• M15: 12,546,923 km (0.064 R)
• M16: 14,708,163 km (0.054 R)
• M17: 18,679,837 km (0.078 R)
• M18: 19,170,219 km (0.103 R)
• M19: 22,939,337 km (0.082 R)
• M20: 28,229,567 km (0.083 R)
• M21: 28,767,072 km (0.115 R)
• M22: 29,973,579 km (0.049 R)
• M23: 42,529,627 km (0.092 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: 202 - 13,914 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit