🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.8

Radius: 14.7

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 1.35 AU - 1.97 AU

Year: 1381 Days

Day: 9.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 71,864,732 km

• M1: 182,809 km (0.095 R)
• M2: 711,188 km (0.115 R)
• M3: 1,194,988 km (0.079 R)
• M4: 2,117,109 km (0.094 R)
• M5: 3,571,500 km (0.1 R)
• M6: 4,192,780 km (0.03 R)
• M7: 4,902,621 km (0.114 R)
• M8: 5,542,152 km (0.058 R)
• M9: 7,298,282 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.2

Radius: 12.6

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.17 AU - 5.13 AU

Year: 5459 Days

Day: 8 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,864,732 km

• M1: 156,779 km (0.118 R)
• M2: 829,071 km (0.054 R)
• M3: 3,020,381 km (0.106 R)
• M4: 4,831,263 km (0.115 R)
• M5: 5,342,589 km (0.076 R)
• M6: 6,474,596 km (0.103 R)
• M7: 7,097,671 km (0.085 R)
• M8: 8,580,485 km (0.035 R)
• M9: 9,966,360 km (0.072 R)
• M10: 12,638,327 km (0.108 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 230

Radius: 7.2

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 5.23 AU - 7.31 AU

Year: 10137 Days

Day: 17.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,864,732 km

• M1: 94,247 km (0.085 R)
• M2: 353,799 km (0.089 R)
• M3: 941,569 km (0.091 R)
• M4: 1,188,256 km (0.118 R)
• M5: 1,430,754 km (0.081 R)
• M6: 1,973,346 km (0.111 R)
• M7: 3,064,213 km (0.109 R)
• M8: 6,530,695 km (0.116 R)
• M9: 7,081,514 km (0.102 R)
• M10: 11,248,713 km (0.066 R)
• M11: 11,888,543 km (0.06 R)
• M12: 13,240,758 km (0.095 R)
• M13: 16,621,071 km (0.059 R)
• M14: 17,385,965 km (0.034 R)
• M15: 19,192,210 km (0.086 R)
• M16: 24,696,215 km (0.073 R)
• M17: 27,850,187 km (0.07 R)
• M18: 28,928,039 km (0.096 R)
• M19: 32,821,174 km (0.116 R)
• M20: 33,318,587 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 576.8

Radius: 4.8

Gravity: 25.03 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.2 AU - 8.32 AU

Year: 12630 Days

Day: 19.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 71,864,732 km

• M1: 63,579 km (0.12 R)
• M2: 599,439 km (0.108 R)
• M3: 1,219,372 km (0.102 R)
• M4: 1,906,924 km (0.053 R)
• M5: 2,692,462 km (0.093 R)
• M6: 3,169,380 km (0.058 R)
• M7: 4,058,141 km (0.118 R)
• M8: 4,438,270 km (0.092 R)
• M9: 5,035,913 km (0.098 R)
• M10: 5,269,136 km (0.095 R)
• M11: 5,721,371 km (0.103 R)
• M12: 6,985,323 km (0.064 R)
• M13: 7,150,180 km (0.115 R)
• M14: 7,317,729 km (0.086 R)
• M15: 7,617,075 km (0.093 R)
• M16: 8,658,725 km (0.115 R)
• M17: 9,894,702 km (0.076 R)
• M18: 11,020,277 km (0.039 R)
• M19: 12,228,579 km (0.072 R)
• M20: 13,269,331 km (0.052 R)
• M21: 14,500,821 km (0.049 R)
• M22: 16,524,581 km (0.059 R)
• M23: 18,179,881 km (0.118 R)
• M24: 20,610,847 km (0.054 R)
• M25: 27,006,604 km (0.026 R)
• M26: 28,031,051 km (0.048 R)
• M27: 29,939,919 km (0.038 R)
• M28: 30,266,342 km (0.074 R)
• M29: 31,483,321 km (0.083 R)
• M30: 37,679,964 km (0.065 R)
• M31: 38,443,362 km (0.079 R)
• M32: 41,465,388 km (0.062 R)
• M33: 44,925,737 km (0.118 R)
• M34: 47,977,234 km (0.116 R)
• M35: 50,239,453 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 11.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 409.3

Radius: 5.6

Gravity: 13.05 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 9.26 AU - 12.86 AU

Year: 23749 Days

Day: 15.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 71,864,732 km

• M1: 69,713 km (0.098 R)
• M2: 679,174 km (0.081 R)
• M3: 1,260,063 km (0.082 R)
• M4: 2,208,513 km (0.102 R)
• M5: 2,579,965 km (0.106 R)
• M6: 3,336,332 km (0.06 R)
• M7: 4,230,927 km (0.11 R)
• M8: 5,017,812 km (0.098 R)
• M9: 5,938,587 km (0.093 R)
• M10: 7,428,881 km (0.04 R)
• M11: 9,537,463 km (0.036 R)
• M12: 11,249,610 km (0.085 R)
• M13: 11,437,655 km (0.084 R)
• M14: 13,718,574 km (0.069 R)
• M15: 20,898,673 km (0.091 R)
• M16: 23,045,103 km (0.115 R)
• M17: 29,045,025 km (0.088 R)
• M18: 29,876,191 km (0.098 R)
• M19: 40,677,606 km (0.074 R)
• M20: 44,160,843 km (0.083 R)
• M21: 44,472,754 km (0.105 R)
• M22: 45,735,360 km (0.09 R)
• M23: 47,673,700 km (0.05 R)
• M24: 48,497,236 km (0.094 R)
• M25: 51,540,805 km (0.105 R)
• M26: 64,386,624 km (0.106 R)
• M27: 67,023,885 km (0.063 R)
• M28: 70,155,417 km (0.075 R)
• M29: 71,649,601 km (0.103 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 15,954 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit