🌌 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: 979.9

Radius: 11.4

Gravity: 7.54 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.5 AU - 0.64 AU

Year: 292 Days

Day: 12.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,936,543 km

• M1: 141,819 km (0.071 R)
• M2: 610,659 km (0.115 R)
• M3: 1,108,071 km (0.063 R)
• M4: 1,477,578 km (0.1 R)
• M5: 1,992,195 km (0.109 R)
• M6: 2,586,846 km (0.09 R)
• M7: 3,499,693 km (0.088 R)
• M8: 4,043,630 km (0.052 R)
• M9: 4,573,805 km (0.08 R)
• M10: 4,942,863 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.8

Radius: 9.5

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.02 AU - 1.1 AU

Year: 740 Days

Day: 14.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,936,543 km

• M1: 118,332 km (0.076 R)
• M2: 429,495 km (0.084 R)
• M3: 931,247 km (0.115 R)
• M4: 1,259,016 km (0.108 R)
• M5: 1,828,385 km (0.078 R)
• M6: 3,387,195 km (0.103 R)
• M7: 4,194,126 km (0.114 R)
• M8: 5,063,888 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.8

Radius: 14.9

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.93 AU - 2.27 AU

Year: 2064 Days

Day: 7.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,936,543 km

• M1: 185,950 km (0.1 R)
• M2: 674,836 km (0.06 R)
• M3: 1,277,416 km (0.12 R)
• M4: 1,863,840 km (0.101 R)
• M5: 2,404,038 km (0.052 R)
• M6: 3,633,283 km (0.084 R)
• M7: 4,176,773 km (0.096 R)
• M8: 5,204,660 km (0.104 R)
• M9: 5,947,114 km (0.043 R)
• M10: 6,523,664 km (0.078 R)
• M11: 7,000,881 km (0.03 R)
• M12: 7,819,032 km (0.104 R)
• M13: 8,481,601 km (0.092 R)
• M14: 9,246,944 km (0.107 R)
• M15: 9,885,128 km (0.064 R)
• M16: 10,409,618 km (0.086 R)
• M17: 11,706,333 km (0.075 R)
• M18: 13,233,428 km (0.051 R)
• M19: 15,440,744 km (0.092 R)
• M20: 15,910,033 km (0.068 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 823.5

Radius: 5.1

Gravity: 31.66 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 5.57 AU - 7.65 AU

Year: 11526 Days

Day: 22.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 73,936,543 km

• M1: 66,272 km (0.047 R)
• M2: 241,152 km (0.061 R)
• M3: 417,827 km (0.068 R)
• M4: 817,852 km (0.12 R)
• M5: 991,385 km (0.113 R)
• M6: 1,252,882 km (0.088 R)
• M7: 1,529,638 km (0.088 R)
• M8: 2,205,372 km (0.12 R)
• M9: 2,631,277 km (0.072 R)
• M10: 3,038,482 km (0.106 R)
• M11: 3,618,473 km (0.12 R)
• M12: 4,420,617 km (0.114 R)
• M13: 5,231,737 km (0.045 R)
• M14: 7,443,840 km (0.098 R)
• M15: 8,254,811 km (0.048 R)
• M16: 9,528,038 km (0.105 R)
• M17: 10,592,576 km (0.11 R)
• M18: 11,499,439 km (0.063 R)
• M19: 11,852,490 km (0.063 R)
• M20: 13,273,071 km (0.103 R)
• M21: 14,191,452 km (0.025 R)
• M22: 15,291,745 km (0.096 R)
• M23: 15,504,323 km (0.113 R)
• M24: 16,373,936 km (0.051 R)
• M25: 22,104,881 km (0.116 R)
• M26: 22,742,467 km (0.073 R)
• M27: 23,019,372 km (0.111 R)
• M28: 25,021,291 km (0.056 R)
• M29: 26,418,685 km (0.057 R)
• M30: 27,657,056 km (0.063 R)
• M31: 27,867,241 km (0.074 R)
• M32: 34,555,313 km (0.105 R)
• M33: 39,385,230 km (0.116 R)
• M34: 45,080,421 km (0.116 R)
• M35: 45,810,458 km (0.115 R)
• M36: 51,300,700 km (0.1 R)
• M37: 52,096,262 km (0.045 R)
• M38: 52,900,051 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 532

Radius: 7.3

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 9.47 AU - 10.71 AU

Year: 21738 Days

Day: 20.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 179.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,936,543 km

• M1: 107,561 km (0.055 R)
• M2: 473,178 km (0.073 R)
• M3: 909,705 km (0.075 R)
• M4: 2,993,154 km (0.059 R)
• M5: 3,892,237 km (0.085 R)
• M6: 4,888,110 km (0.109 R)
• M7: 5,679,932 km (0.09 R)
• M8: 8,831,959 km (0.109 R)
• M9: 9,376,944 km (0.119 R)
• M10: 12,511,319 km (0.05 R)
• M11: 15,567,753 km (0.087 R)
• M12: 16,606,261 km (0.063 R)
• M13: 17,605,276 km (0.067 R)
• M14: 22,300,854 km (0.113 R)
• M15: 23,515,738 km (0.073 R)
• M16: 32,507,318 km (0.05 R)
• M17: 36,776,841 km (0.045 R)
• M18: 40,807,008 km (0.116 R)
• M19: 54,826,572 km (0.104 R)
• M20: 70,234,106 km (0.055 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 20,242 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit