🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.4

Radius: 11.6

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.53 AU - 0.79 AU

Year: 377 Days

Day: 5.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,706,252 km

• M1: 144,661 km (0.052 R)
• M2: 517,459 km (0.118 R)
• M3: 899,382 km (0.072 R)
• M4: 1,296,864 km (0.073 R)
• M5: 1,785,301 km (0.071 R)
• M6: 2,150,469 km (0.08 R)
• M7: 2,843,108 km (0.068 R)
• M8: 3,774,953 km (0.085 R)
• M9: 4,466,095 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.5

Radius: 10

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.65 AU - 0.67 AU

Year: 377 Days

Day: 6.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,706,252 km

• M1: 124,316 km (0.031 R)
• M2: 488,437 km (0.112 R)
• M3: 1,085,632 km (0.093 R)
• M4: 1,545,047 km (0.082 R)
• M5: 1,877,752 km (0.064 R)
• M6: 2,291,540 km (0.025 R)
• M7: 2,841,462 km (0.092 R)
• M8: 3,325,860 km (0.062 R)
• M9: 3,852,744 km (0.101 R)
• M10: 4,460,709 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.3

Radius: 12.4

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.82 AU - 1.3 AU

Year: 767 Days

Day: 11.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 77.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,706,252 km

• M1: 154,235 km (0.049 R)
• M2: 540,796 km (0.116 R)
• M3: 1,367,325 km (0.11 R)
• M4: 1,783,805 km (0.085 R)
• M5: 2,470,908 km (0.09 R)
• M6: 3,363,409 km (0.078 R)
• M7: 4,546,728 km (0.098 R)
• M8: 5,764,604 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.5

Radius: 14.8

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.15 AU - 3.25 AU

Year: 4024 Days

Day: 7.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,706,252 km

• M1: 184,305 km (0.096 R)
• M2: 813,064 km (0.101 R)
• M3: 1,475,334 km (0.102 R)
• M4: 3,727,381 km (0.11 R)
• M5: 4,728,190 km (0.119 R)
• M6: 5,318,204 km (0.074 R)
• M7: 5,956,987 km (0.051 R)
• M8: 6,736,691 km (0.118 R)
• M9: 8,186,743 km (0.088 R)
• M10: 9,681,525 km (0.111 R)
• M11: 10,151,712 km (0.104 R)
• M12: 11,437,655 km (0.11 R)
• M13: 12,278,096 km (0.107 R)
• M14: 14,032,579 km (0.081 R)
• M15: 16,057,536 km (0.087 R)
• M16: 19,173,959 km (0.07 R)
• M17: 20,488,176 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 117.3

Radius: 5.2

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.22 AU - 7.34 AU

Year: 12409 Days

Day: 18.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,706,252 km

• M1: 103,372 km (0.12 R)
• M2: 499,358 km (0.073 R)
• M3: 782,247 km (0.098 R)
• M4: 1,238,670 km (0.045 R)
• M5: 1,669,213 km (0.093 R)
• M6: 2,057,270 km (0.108 R)
• M7: 4,205,645 km (0.086 R)
• M8: 6,049,289 km (0.054 R)
• M9: 6,924,586 km (0.057 R)
• M10: 9,084,929 km (0.073 R)
• M11: 9,709,201 km (0.092 R)
• M12: 11,276,388 km (0.097 R)
• M13: 18,505,705 km (0.116 R)
• M14: 22,951,156 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.2

Radius: 5.7

Gravity: 17.7 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 7.22 AU - 11.14 AU

Year: 19551 Days

Day: 18.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 70,706,252 km

• M1: 71,059 km (0.101 R)
• M2: 273,166 km (0.079 R)
• M3: 489,783 km (0.071 R)
• M4: 908,059 km (0.055 R)
• M5: 1,148,313 km (0.114 R)
• M6: 1,370,616 km (0.115 R)
• M7: 2,216,143 km (0.088 R)
• M8: 3,477,552 km (0.092 R)
• M9: 3,977,508 km (0.086 R)
• M10: 4,293,160 km (0.077 R)
• M11: 4,833,058 km (0.082 R)
• M12: 5,304,142 km (0.119 R)
• M13: 6,379,601 km (0.115 R)
• M14: 6,812,537 km (0.116 R)
• M15: 7,311,297 km (0.097 R)
• M16: 10,527,501 km (0.105 R)
• M17: 11,695,113 km (0.047 R)
• M18: 16,421,209 km (0.1 R)
• M19: 17,233,226 km (0.038 R)
• M20: 19,113,222 km (0.057 R)
• M21: 29,043,529 km (0.111 R)
• M22: 32,823,418 km (0.087 R)
• M23: 35,029,239 km (0.118 R)
• M24: 37,193,920 km (0.088 R)
• M25: 43,144,325 km (0.09 R)
• M26: 45,787,121 km (0.101 R)
• M27: 50,203,101 km (0.115 R)
• M28: 51,050,872 km (0.119 R)
• M29: 51,564,142 km (0.113 R)
• M30: 53,651,332 km (0.081 R)
• M31: 65,137,905 km (0.081 R)
• M32: 66,756,105 km (0.068 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 245 - 15,783 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit