🌌 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: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.1

Radius: 12.7

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.56 AU - 0.6 AU

Year: 295 Days

Day: 6.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,174,545 km

• M1: 158,275 km (0.072 R)
• M2: 568,322 km (0.106 R)
• M3: 1,264,700 km (0.093 R)
• M4: 1,706,164 km (0.112 R)
• M5: 2,155,855 km (0.105 R)
• M6: 2,749,908 km (0.074 R)
• M7: 3,484,733 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.5

Radius: 13.2

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.48 AU - 1.52 AU

Year: 1225 Days

Day: 7.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,174,545 km

• M1: 165,156 km (0.097 R)
• M2: 577,298 km (0.072 R)
• M3: 1,168,958 km (0.081 R)
• M4: 2,187,121 km (0.117 R)
• M5: 2,704,430 km (0.083 R)
• M6: 3,358,023 km (0.12 R)
• M7: 4,227,486 km (0.118 R)
• M8: 4,839,491 km (0.113 R)
• M9: 5,279,758 km (0.1 R)
• M10: 5,787,194 km (0.072 R)
• M11: 6,809,845 km (0.1 R)
• M12: 7,604,658 km (0.065 R)
• M13: 8,884,767 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575

Radius: 9.8

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.69 AU - 2.21 AU

Year: 1816 Days

Day: 10.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,174,545 km

• M1: 121,922 km (0.118 R)
• M2: 648,058 km (0.083 R)
• M3: 1,297,163 km (0.034 R)
• M4: 2,062,955 km (0.09 R)
• M5: 2,728,815 km (0.109 R)
• M6: 3,768,520 km (0.051 R)
• M7: 4,783,691 km (0.111 R)
• M8: 5,377,146 km (0.113 R)
• M9: 5,692,049 km (0.112 R)
• M10: 6,043,006 km (0.092 R)
• M11: 6,508,255 km (0.039 R)
• M12: 7,237,395 km (0.072 R)
• M13: 8,224,442 km (0.093 R)
• M14: 9,459,522 km (0.065 R)
• M15: 12,723,149 km (0.063 R)
• M16: 13,325,131 km (0.087 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 624

Radius: 8

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 5.39 AU - 6.95 AU

Year: 10220 Days

Day: 15.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,174,545 km

• M1: 99,483 km (0.044 R)
• M2: 717,920 km (0.116 R)
• M3: 1,223,262 km (0.087 R)
• M4: 1,790,238 km (0.072 R)
• M5: 2,116,511 km (0.078 R)
• M6: 2,443,980 km (0.092 R)
• M7: 2,890,231 km (0.06 R)
• M8: 4,079,833 km (0.119 R)
• M9: 4,738,662 km (0.112 R)
• M10: 5,840,151 km (0.102 R)
• M11: 10,109,675 km (0.077 R)
• M12: 11,475,353 km (0.084 R)
• M13: 13,997,125 km (0.06 R)
• M14: 17,440,569 km (0.099 R)
• M15: 18,101,791 km (0.051 R)
• M16: 23,738,041 km (0.082 R)
• M17: 27,292,336 km (0.088 R)
• M18: 28,889,443 km (0.119 R)
• M19: 31,400,743 km (0.115 R)
• M20: 37,092,942 km (0.105 R)
• M21: 42,904,071 km (0.08 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288

Radius: 3.9

Gravity: 18.93 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 6.55 AU - 10.73 AU

Year: 16936 Days

Day: 16.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,174,545 km

• M1: 55,202 km (0.069 R)
• M2: 583,880 km (0.094 R)
• M3: 744,399 km (0.103 R)
• M4: 1,228,498 km (0.108 R)
• M5: 1,913,806 km (0.077 R)
• M6: 3,095,330 km (0.045 R)
• M7: 4,693,184 km (0.052 R)
• M8: 5,042,196 km (0.115 R)
• M9: 6,193,202 km (0.036 R)
• M10: 6,496,587 km (0.077 R)
• M11: 6,889,730 km (0.087 R)
• M12: 7,382,057 km (0.111 R)
• M13: 9,738,522 km (0.093 R)
• M14: 13,789,483 km (0.034 R)
• M15: 14,111,118 km (0.096 R)
• M16: 16,359,874 km (0.093 R)
• M17: 21,380,228 km (0.058 R)
• M18: 22,335,261 km (0.085 R)
• M19: 23,958,697 km (0.098 R)
• M20: 24,143,900 km (0.087 R)
• M21: 26,047,832 km (0.115 R)
• M22: 28,669,385 km (0.081 R)
• M23: 29,087,660 km (0.115 R)
• M24: 29,616,339 km (0.077 R)
• M25: 31,683,483 km (0.102 R)
• M26: 46,424,408 km (0.112 R)
• M27: 51,019,307 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 611.3

Radius: 4.8

Gravity: 26.53 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 7.65 AU - 9.79 AU

Year: 17171 Days

Day: 15.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,174,545 km

• M1: 59,989 km (0.114 R)
• M2: 265,387 km (0.112 R)
• M3: 588,668 km (0.092 R)
• M4: 1,031,926 km (0.061 R)
• M5: 2,918,804 km (0.115 R)
• M6: 3,381,510 km (0.095 R)
• M7: 4,957,973 km (0.101 R)
• M8: 12,694,427 km (0.039 R)
• M9: 14,269,243 km (0.092 R)
• M10: 16,123,659 km (0.099 R)
• M11: 16,670,289 km (0.104 R)
• M12: 21,403,416 km (0.095 R)
• M13: 25,673,987 km (0.108 R)
• M14: 27,397,803 km (0.115 R)
• M15: 31,555,427 km (0.115 R)
• M16: 35,195,891 km (0.115 R)
• M17: 39,808,741 km (0.092 R)
• M18: 43,596,559 km (0.082 R)
• M19: 48,418,248 km (0.084 R)
• M20: 53,928,836 km (0.098 R)
• M21: 54,973,627 km (0.081 R)
• M22: 62,096,131 km (0.089 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 15,090 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit