🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.5

Radius: 9.6

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.67 AU - 1.07 AU

Year: 560 Days

Day: 7.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,183,884 km

• M1: 119,379 km (0.069 R)
• M2: 452,534 km (0.089 R)
• M3: 756,367 km (0.117 R)
• M4: 1,117,646 km (0.075 R)
• M5: 1,906,774 km (0.089 R)
• M6: 2,635,466 km (0.054 R)
• M7: 2,961,290 km (0.083 R)
• M8: 3,302,074 km (0.106 R)
• M9: 3,842,122 km (0.119 R)
• M10: 4,321,583 km (0.117 R)
• M11: 5,049,826 km (0.074 R)
• M12: 5,893,857 km (0.029 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.3

Radius: 8.9

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.89 AU - 1.41 AU

Year: 851 Days

Day: 7.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,183,884 km

• M1: 111,450 km (0.069 R)
• M2: 409,300 km (0.057 R)
• M3: 879,785 km (0.037 R)
• M4: 1,221,467 km (0.11 R)
• M5: 1,666,221 km (0.104 R)
• M6: 2,396,558 km (0.103 R)
• M7: 3,326,009 km (0.035 R)
• M8: 3,789,314 km (0.083 R)
• M9: 4,309,017 km (0.106 R)
• M10: 4,593,552 km (0.113 R)
• M11: 5,013,025 km (0.104 R)
• M12: 5,639,840 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.4

Radius: 12.8

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.21 AU - 1.77 AU

Year: 1255 Days

Day: 5.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,183,884 km

• M1: 159,172 km (0.104 R)
• M2: 581,188 km (0.116 R)
• M3: 1,276,519 km (0.085 R)
• M4: 1,755,980 km (0.096 R)
• M5: 2,218,985 km (0.071 R)
• M6: 3,090,094 km (0.114 R)
• M7: 3,488,622 km (0.098 R)
• M8: 4,354,794 km (0.105 R)
• M9: 4,877,938 km (0.032 R)
• M10: 5,463,763 km (0.111 R)
• M11: 6,442,133 km (0.058 R)
• M12: 7,798,687 km (0.099 R)
• M13: 8,516,158 km (0.047 R)
• M14: 10,115,060 km (0.12 R)
• M15: 10,634,913 km (0.106 R)
• M16: 11,070,392 km (0.1 R)
• M17: 11,763,778 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77

Radius: 13

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.18 AU - 5.08 AU

Year: 5793 Days

Day: 8.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,183,884 km

• M1: 175,777 km (0.085 R)
• M2: 1,710,801 km (0.115 R)
• M3: 3,171,475 km (0.069 R)
• M4: 3,668,439 km (0.119 R)
• M5: 4,633,944 km (0.064 R)
• M6: 6,929,523 km (0.084 R)
• M7: 8,904,514 km (0.084 R)
• M8: 10,249,100 km (0.116 R)
• M9: 10,714,050 km (0.117 R)
• M10: 15,003,470 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.2

Radius: 12.4

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.75 AU - 4.89 AU

Year: 6198 Days

Day: 5.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,183,884 km

• M1: 158,424 km (0.074 R)
• M2: 560,094 km (0.081 R)
• M3: 1,327,980 km (0.081 R)
• M4: 4,927,604 km (0.083 R)
• M5: 8,041,484 km (0.108 R)
• M6: 13,914,098 km (0.113 R)
• M7: 14,897,554 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513.1

Radius: 5.8

Gravity: 15.25 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.01 AU - 6.19 AU

Year: 9147 Days

Day: 22.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 48,183,884 km

• M1: 72,555 km (0.064 R)
• M2: 473,477 km (0.089 R)
• M3: 743,202 km (0.085 R)
• M4: 942,467 km (0.075 R)
• M5: 1,753,586 km (0.112 R)
• M6: 2,096,165 km (0.111 R)
• M7: 2,519,827 km (0.117 R)
• M8: 2,712,509 km (0.09 R)
• M9: 3,215,606 km (0.089 R)
• M10: 3,396,470 km (0.119 R)
• M11: 4,083,872 km (0.117 R)
• M12: 4,516,360 km (0.108 R)
• M13: 5,896,400 km (0.094 R)
• M14: 6,448,566 km (0.076 R)
• M15: 6,996,992 km (0.105 R)
• M16: 8,354,443 km (0.081 R)
• M17: 8,828,818 km (0.056 R)
• M18: 9,230,189 km (0.105 R)
• M19: 9,597,003 km (0.078 R)
• M20: 10,408,870 km (0.107 R)
• M21: 10,806,501 km (0.049 R)
• M22: 12,059,982 km (0.106 R)
• M23: 13,176,132 km (0.1 R)
• M24: 15,228,914 km (0.104 R)
• M25: 17,416,334 km (0.094 R)
• M26: 20,646,900 km (0.117 R)
• M27: 22,076,457 km (0.084 R)
• M28: 25,486,690 km (0.097 R)
• M29: 28,455,609 km (0.071 R)
• M30: 29,923,314 km (0.094 R)
• M31: 31,750,502 km (0.069 R)
• M32: 32,375,672 km (0.047 R)
• M33: 34,519,110 km (0.041 R)
• M34: 36,869,592 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 737

Radius: 3.1

Gravity: 76.69 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 5.82 AU - 5.84 AU

Year: 9717 Days

Day: 24.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,183,884 km

• M1: 39,793 km (0.064 R)
• M2: 159,621 km (0.112 R)
• M3: 459,415 km (0.089 R)
• M4: 799,900 km (0.086 R)
• M5: 1,212,790 km (0.09 R)
• M6: 1,737,430 km (0.086 R)
• M7: 3,813,250 km (0.065 R)
• M8: 5,101,287 km (0.117 R)
• M9: 7,045,162 km (0.112 R)
• M10: 7,328,650 km (0.093 R)
• M11: 8,584,524 km (0.11 R)
• M12: 8,861,131 km (0.088 R)
• M13: 9,143,721 km (0.12 R)
• M14: 9,432,295 km (0.088 R)
• M15: 18,999,827 km (0.118 R)
• M16: 19,311,888 km (0.118 R)
• M17: 29,087,062 km (0.085 R)
• M18: 29,501,598 km (0.1 R)
• M19: 33,865,218 km (0.101 R)
• M20: 37,163,253 km (0.101 R)
• M21: 43,035,119 km (0.063 R)
• M22: 47,608,475 km (0.074 R)
• M23: 47,751,940 km (0.1 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: 509 - 16,661 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit