🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.9

Radius: 8.7

Gravity: 10.17 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.42 AU - 0.66 AU

Year: 279 Days

Day: 7.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,685,298 km

• M1: 108,159 km (0.04 R)
• M2: 407,654 km (0.059 R)
• M3: 694,882 km (0.111 R)
• M4: 1,074,861 km (0.12 R)
• M5: 1,442,273 km (0.108 R)
• M6: 1,827,787 km (0.111 R)
• M7: 2,876,169 km (0.114 R)
• M8: 3,349,048 km (0.119 R)
• M9: 3,789,912 km (0.093 R)
• M10: 4,142,515 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.2

Radius: 13.8

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.47 AU - 2.03 AU

Year: 1627 Days

Day: 9.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,685,298 km

• M1: 180,565 km (0.096 R)
• M2: 752,328 km (0.054 R)
• M3: 1,207,255 km (0.113 R)
• M4: 1,738,776 km (0.096 R)
• M5: 2,275,533 km (0.059 R)
• M6: 2,936,457 km (0.039 R)
• M7: 3,441,050 km (0.104 R)
• M8: 4,316,497 km (0.119 R)
• M9: 5,630,415 km (0.118 R)
• M10: 6,275,930 km (0.044 R)
• M11: 6,798,176 km (0.12 R)
• M12: 8,513,465 km (0.098 R)
• M13: 9,154,791 km (0.094 R)
• M14: 9,922,677 km (0.08 R)
• M15: 11,171,670 km (0.082 R)
• M16: 12,302,630 km (0.028 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.4

Radius: 8.3

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.16 AU - 4.32 AU

Year: 6137 Days

Day: 6.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,685,298 km

• M1: 103,223 km (0.068 R)
• M2: 383,569 km (0.066 R)
• M3: 650,900 km (0.101 R)
• M4: 1,337,405 km (0.038 R)
• M5: 2,228,260 km (0.12 R)
• M6: 4,804,635 km (0.08 R)
• M7: 5,443,867 km (0.086 R)
• M8: 7,583,714 km (0.104 R)
• M9: 12,706,095 km (0.069 R)
• M10: 13,046,729 km (0.087 R)
• M11: 15,172,366 km (0.071 R)
• M12: 15,945,787 km (0.116 R)
• M13: 16,847,114 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.6

Radius: 14

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.76 AU - 5.96 AU

Year: 7531 Days

Day: 14.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 59,685,298 km

• M1: 176,077 km (0.061 R)
• M2: 1,830,928 km (0.103 R)
• M3: 2,360,056 km (0.101 R)
• M4: 3,755,804 km (0.117 R)
• M5: 9,897,694 km (0.109 R)
• M6: 10,610,079 km (0.08 R)
• M7: 11,988,175 km (0.113 R)
• M8: 13,006,039 km (0.111 R)
• M9: 14,025,698 km (0.11 R)
• M10: 23,403,540 km (0.114 R)
• M11: 30,189,598 km (0.09 R)
• M12: 30,652,753 km (0.102 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395.5

Radius: 4.5

Gravity: 19.53 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 6.15 AU - 6.35 AU

Year: 10983 Days

Day: 20.1 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,685,298 km

• M1: 56,249 km (0.099 R)
• M2: 250,128 km (0.107 R)
• M3: 390,301 km (0.094 R)
• M4: 664,813 km (0.096 R)
• M5: 1,248,095 km (0.115 R)
• M6: 1,580,801 km (0.109 R)
• M7: 2,711,013 km (0.119 R)
• M8: 3,695,217 km (0.085 R)
• M9: 3,896,875 km (0.059 R)
• M10: 4,294,805 km (0.12 R)
• M11: 4,690,192 km (0.119 R)
• M12: 6,126,182 km (0.109 R)
• M13: 6,924,885 km (0.079 R)
• M14: 7,115,623 km (0.076 R)
• M15: 10,972,106 km (0.109 R)
• M16: 11,709,025 km (0.052 R)
• M17: 12,144,505 km (0.078 R)
• M18: 12,366,358 km (0.06 R)
• M19: 14,300,659 km (0.12 R)
• M20: 19,579,070 km (0.07 R)
• M21: 20,503,735 km (0.051 R)
• M22: 21,136,085 km (0.117 R)
• M23: 22,522,857 km (0.051 R)
• M24: 25,476,368 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 559.7

Radius: 4.2

Gravity: 31.73 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.54 AU - 9.1 AU

Year: 15372 Days

Day: 22.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,685,298 km

• M1: 55,501 km (0.103 R)
• M2: 257,608 km (0.105 R)
• M3: 806,482 km (0.088 R)
• M4: 1,088,325 km (0.113 R)
• M5: 1,846,038 km (0.09 R)
• M6: 2,565,454 km (0.114 R)
• M7: 2,788,355 km (0.103 R)
• M8: 3,376,424 km (0.091 R)
• M9: 4,927,006 km (0.115 R)
• M10: 6,402,938 km (0.074 R)
• M11: 8,009,171 km (0.064 R)
• M12: 8,340,680 km (0.076 R)
• M13: 11,507,816 km (0.117 R)
• M14: 12,052,203 km (0.093 R)
• M15: 13,389,009 km (0.112 R)
• M16: 14,471,799 km (0.062 R)
• M17: 15,538,581 km (0.116 R)
• M18: 15,905,545 km (0.061 R)
• M19: 23,827,201 km (0.04 R)
• M20: 25,209,934 km (0.064 R)
• M21: 26,436,936 km (0.12 R)
• M22: 37,982,151 km (0.11 R)
• M23: 42,661,124 km (0.11 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 12,904 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit