🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436

Radius: 13.4

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.69 AU - 0.97 AU

Year: 504 Days

Day: 5.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 139.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,558,669 km

• M1: 166,652 km (0.116 R)
• M2: 594,801 km (0.077 R)
• M3: 1,060,499 km (0.032 R)
• M4: 1,584,840 km (0.098 R)
• M5: 2,064,002 km (0.094 R)
• M6: 2,592,382 km (0.114 R)
• M7: 3,850,200 km (0.045 R)
• M8: 4,281,940 km (0.107 R)
• M9: 4,775,314 km (0.086 R)
• M10: 5,385,673 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.9

Radius: 11.8

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1 AU - 1.08 AU

Year: 707 Days

Day: 13.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 53.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,558,669 km

• M1: 146,756 km (0.11 R)
• M2: 530,624 km (0.087 R)
• M3: 944,262 km (0.069 R)
• M4: 1,727,706 km (0.053 R)
• M5: 2,180,688 km (0.1 R)
• M6: 2,802,866 km (0.09 R)
• M7: 3,195,411 km (0.096 R)
• M8: 4,014,309 km (0.069 R)
• M9: 4,833,507 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.2

Radius: 8.5

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.01 AU - 1.25 AU

Year: 801 Days

Day: 12.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,558,669 km

• M1: 106,962 km (0.113 R)
• M2: 421,268 km (0.059 R)
• M3: 865,872 km (0.118 R)
• M4: 1,213,538 km (0.056 R)
• M5: 1,508,994 km (0.076 R)
• M6: 2,342,852 km (0.12 R)
• M7: 2,607,640 km (0.044 R)
• M8: 3,158,609 km (0.095 R)
• M9: 4,135,932 km (0.116 R)
• M10: 4,763,495 km (0.094 R)
• M11: 5,567,584 km (0.068 R)
• M12: 5,841,647 km (0.104 R)
• M13: 6,374,515 km (0.056 R)
• M14: 6,872,676 km (0.098 R)
• M15: 7,704,141 km (0.117 R)
• M16: 8,862,178 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.3

Radius: 12.1

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.79 AU - 1.97 AU

Year: 1719 Days

Day: 8.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 72,558,669 km

• M1: 150,495 km (0.079 R)
• M2: 942,167 km (0.108 R)
• M3: 2,540,321 km (0.026 R)
• M4: 3,125,848 km (0.115 R)
• M5: 3,741,144 km (0.114 R)
• M6: 4,165,702 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.1

Radius: 14.5

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.67 AU - 2.47 AU

Year: 1986 Days

Day: 14.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,558,669 km

• M1: 180,265 km (0.039 R)
• M2: 665,411 km (0.075 R)
• M3: 1,360,892 km (0.047 R)
• M4: 2,217,938 km (0.055 R)
• M5: 3,513,007 km (0.034 R)
• M6: 4,024,332 km (0.075 R)
• M7: 5,003,002 km (0.108 R)
• M8: 6,309,739 km (0.117 R)
• M9: 6,801,617 km (0.042 R)
• M10: 8,619,530 km (0.086 R)
• M11: 9,259,360 km (0.052 R)
• M12: 10,384,486 km (0.111 R)
• M13: 11,409,082 km (0.109 R)
• M14: 12,824,277 km (0.115 R)
• M15: 13,321,092 km (0.101 R)
• M16: 15,254,196 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.6

Radius: 8.9

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.74 AU - 2.42 AU

Year: 2000 Days

Day: 7.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,558,669 km

• M1: 111,151 km (0.043 R)
• M2: 619,335 km (0.072 R)
• M3: 1,085,333 km (0.051 R)
• M4: 1,973,645 km (0.051 R)
• M5: 2,421,092 km (0.101 R)
• M6: 2,726,870 km (0.119 R)
• M7: 3,105,951 km (0.077 R)
• M8: 3,767,473 km (0.06 R)
• M9: 5,052,668 km (0.116 R)
• M10: 5,991,694 km (0.094 R)
• M11: 6,502,870 km (0.046 R)
• M12: 7,210,468 km (0.066 R)
• M13: 7,612,288 km (0.088 R)
• M14: 7,908,342 km (0.036 R)
• M15: 9,472,088 km (0.07 R)
• M16: 9,954,542 km (0.095 R)
• M17: 10,525,706 km (0.049 R)
• M18: 10,930,967 km (0.117 R)
• M19: 16,102,565 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.3

Radius: 14.1

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.04 AU - 2.22 AU

Year: 2073 Days

Day: 9.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,558,669 km

• M1: 175,329 km (0.089 R)
• M2: 616,194 km (0.12 R)
• M3: 1,098,647 km (0.102 R)
• M4: 1,834,668 km (0.058 R)
• M5: 2,568,595 km (0.047 R)
• M6: 3,114,478 km (0.073 R)
• M7: 3,578,680 km (0.089 R)
• M8: 5,536,318 km (0.078 R)
• M9: 6,829,143 km (0.102 R)
• M10: 13,665,915 km (0.084 R)
• M11: 14,465,366 km (0.076 R)
• M12: 16,011,909 km (0.096 R)
• M13: 17,001,499 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.9

Radius: 3.8

Gravity: 61.77 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 6.68 AU - 10.18 AU

Year: 16322 Days

Day: 17 Hours

Environment

Temp: -230 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 72,558,669 km

• M1: 55,800 km (0.108 R)
• M2: 188,942 km (0.072 R)
• M3: 349,909 km (0.072 R)
• M4: 1,207,704 km (0.049 R)
• M5: 1,522,607 km (0.056 R)
• M6: 2,024,658 km (0.113 R)
• M7: 2,749,010 km (0.093 R)
• M8: 3,024,869 km (0.117 R)
• M9: 7,575,636 km (0.051 R)
• M10: 8,217,710 km (0.096 R)
• M11: 8,735,768 km (0.106 R)
• M12: 9,002,800 km (0.069 R)
• M13: 12,177,267 km (0.071 R)
• M14: 13,617,745 km (0.089 R)
• M15: 13,760,611 km (0.07 R)
• M16: 14,713,549 km (0.11 R)
• M17: 16,025,074 km (0.09 R)
• M18: 16,750,025 km (0.111 R)
• M19: 17,328,819 km (0.112 R)
• M20: 18,178,535 km (0.1 R)
• M21: 18,351,769 km (0.112 R)
• M22: 20,610,996 km (0.06 R)
• M23: 26,330,272 km (0.037 R)
• M24: 29,192,977 km (0.109 R)
• M25: 29,909,701 km (0.118 R)
• M26: 33,409,692 km (0.062 R)
• M27: 34,989,745 km (0.119 R)
• M28: 35,798,172 km (0.103 R)
• M29: 38,156,134 km (0.115 R)
• M30: 45,687,639 km (0.047 R)
• M31: 47,304,043 km (0.111 R)
• M32: 47,796,220 km (0.073 R)
• M33: 49,630,440 km (0.063 R)
• M34: 51,684,269 km (0.043 R)
• M35: 54,689,690 km (0.119 R)
• M36: 55,960,524 km (0.118 R)
• M37: 56,327,039 km (0.038 R)
• M38: 58,184,446 km (0.097 R)
• M39: 59,699,274 km (0.1 R)
• M40: 69,133,514 km (0.084 R)
• M41: 69,555,680 km (0.071 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 18,478 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit