🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.3

Radius: 10.1

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.3 AU - 1.38 AU

Year: 1071 Days

Day: 13.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,520,500 km

• M1: 128,205 km (0.076 R)
• M2: 455,825 km (0.104 R)
• M3: 1,045,689 km (0.075 R)
• M4: 1,595,312 km (0.076 R)
• M5: 1,950,008 km (0.054 R)
• M6: 2,455,948 km (0.04 R)
• M7: 3,153,224 km (0.099 R)
• M8: 3,963,446 km (0.035 R)
• M9: 4,321,134 km (0.034 R)
• M10: 5,252,232 km (0.092 R)
• M11: 5,702,820 km (0.086 R)
• M12: 6,427,024 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.3

Radius: 14.8

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.26 AU - 1.44 AU

Year: 1083 Days

Day: 8.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,520,500 km

• M1: 184,005 km (0.056 R)
• M2: 655,538 km (0.109 R)
• M3: 1,204,263 km (0.092 R)
• M4: 1,884,036 km (0.059 R)
• M5: 2,572,335 km (0.098 R)
• M6: 3,563,571 km (0.109 R)
• M7: 4,171,686 km (0.036 R)
• M8: 4,866,120 km (0.118 R)
• M9: 5,931,406 km (0.084 R)
• M10: 7,399,859 km (0.061 R)
• M11: 7,899,366 km (0.054 R)
• M12: 8,600,232 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.6

Radius: 9.1

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.38 AU - 1.9 AU

Year: 1450 Days

Day: 8 Hours

Environment

Temp: -194 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,520,500 km

• M1: 116,836 km (0.092 R)
• M2: 625,020 km (0.117 R)
• M3: 1,044,941 km (0.067 R)
• M4: 1,572,423 km (0.094 R)
• M5: 2,994,949 km (0.12 R)
• M6: 3,596,183 km (0.111 R)
• M7: 3,893,883 km (0.104 R)
• M8: 5,007,789 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.1

Radius: 13.7

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.17 AU - 2.71 AU

Year: 2631 Days

Day: 12 Hours

Environment

Temp: -206 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,520,500 km

• M1: 182,210 km (0.1 R)
• M2: 1,167,013 km (0.109 R)
• M3: 1,683,574 km (0.096 R)
• M4: 4,099,281 km (0.105 R)
• M5: 6,231,051 km (0.09 R)
• M6: 7,697,259 km (0.077 R)
• M7: 10,419,641 km (0.099 R)
• M8: 12,037,243 km (0.071 R)
• M9: 13,303,290 km (0.095 R)
• M10: 13,773,177 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.1

Radius: 9.6

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 3.1 AU - 3.6 AU

Year: 4232 Days

Day: 12.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,520,500 km

• M1: 119,379 km (0.114 R)
• M2: 614,847 km (0.082 R)
• M3: 1,065,436 km (0.044 R)
• M4: 1,529,937 km (0.101 R)
• M5: 1,842,298 km (0.087 R)
• M6: 2,241,724 km (0.113 R)
• M7: 3,159,956 km (0.042 R)
• M8: 4,016,404 km (0.11 R)
• M9: 5,805,445 km (0.114 R)
• M10: 8,179,413 km (0.063 R)
• M11: 9,265,195 km (0.067 R)
• M12: 11,997,450 km (0.117 R)
• M13: 13,903,028 km (0.091 R)
• M14: 14,740,327 km (0.087 R)
• M15: 18,058,707 km (0.12 R)
• M16: 18,366,280 km (0.109 R)
• M17: 25,047,620 km (0.068 R)
• M18: 26,286,141 km (0.043 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 949

Radius: 6.9

Gravity: 19.93 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 7.03 AU - 9.13 AU

Year: 15854 Days

Day: 23.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 67,520,500 km

• M1: 85,869 km (0.052 R)
• M2: 306,975 km (0.085 R)
• M3: 523,293 km (0.066 R)
• M4: 1,289,085 km (0.079 R)
• M5: 1,514,080 km (0.119 R)
• M6: 2,247,558 km (0.063 R)
• M7: 2,838,470 km (0.06 R)
• M8: 3,170,428 km (0.066 R)
• M9: 3,702,248 km (0.084 R)
• M10: 4,423,459 km (0.113 R)
• M11: 4,835,302 km (0.117 R)
• M12: 6,437,346 km (0.04 R)
• M13: 6,831,536 km (0.116 R)
• M14: 7,619,768 km (0.102 R)
• M15: 7,862,864 km (0.051 R)
• M16: 9,768,442 km (0.045 R)
• M17: 10,889,229 km (0.11 R)
• M18: 12,625,761 km (0.101 R)
• M19: 17,801,997 km (0.076 R)
• M20: 18,842,151 km (0.112 R)
• M21: 27,968,519 km (0.107 R)
• M22: 34,521,953 km (0.104 R)
• M23: 36,409,728 km (0.115 R)
• M24: 37,239,398 km (0.109 R)
• M25: 40,096,119 km (0.113 R)
• M26: 41,428,138 km (0.086 R)
• M27: 47,705,863 km (0.117 R)
• M28: 53,339,570 km (0.088 R)
• M29: 54,409,344 km (0.079 R)
• M30: 56,961,035 km (0.069 R)
• M31: 62,695,570 km (0.06 R)
• M32: 64,689,261 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420.5

Radius: 3.1

Gravity: 43.76 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 9.79 AU - 9.91 AU

Year: 21339 Days

Day: 18.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,520,500 km

• M1: 45,179 km (0.094 R)
• M2: 208,240 km (0.11 R)
• M3: 325,525 km (0.077 R)
• M4: 486,941 km (0.067 R)
• M5: 5,038,157 km (0.091 R)
• M6: 5,593,165 km (0.048 R)
• M7: 7,408,685 km (0.062 R)
• M8: 13,205,154 km (0.061 R)
• M9: 18,742,369 km (0.104 R)
• M10: 28,167,185 km (0.037 R)
• M11: 33,057,689 km (0.097 R)
• M12: 33,817,795 km (0.083 R)
• M13: 35,901,245 km (0.044 R)
• M14: 36,167,529 km (0.115 R)
• M15: 44,169,819 km (0.085 R)
• M16: 51,564,591 km (0.07 R)
• M17: 59,184,358 km (0.111 R)
• M18: 62,970,531 km (0.053 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 16,183 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit