🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.6

Radius: 11

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.73 AU - 0.73 AU

Year: 403 Days

Day: 14.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,633,632 km

• M1: 136,732 km (0.075 R)
• M2: 601,683 km (0.107 R)
• M3: 987,496 km (0.113 R)
• M4: 1,531,433 km (0.069 R)
• M5: 1,880,744 km (0.073 R)
• M6: 3,060,772 km (0.051 R)
• M7: 3,495,205 km (0.025 R)
• M8: 3,890,442 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.2

Radius: 10

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.09 AU - 1.43 AU

Year: 913 Days

Day: 14.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,633,632 km

• M1: 126,261 km (0.108 R)
• M2: 439,818 km (0.111 R)
• M3: 782,846 km (0.076 R)
• M4: 1,119,291 km (0.082 R)
• M5: 1,473,240 km (0.066 R)
• M6: 2,009,847 km (0.095 R)
• M7: 2,402,841 km (0.058 R)
• M8: 2,783,867 km (0.056 R)
• M9: 4,413,137 km (0.077 R)
• M10: 4,969,492 km (0.085 R)
• M11: 5,572,072 km (0.096 R)
• M12: 6,354,319 km (0.099 R)
• M13: 6,853,078 km (0.12 R)
• M14: 7,801,379 km (0.073 R)
• M15: 8,890,302 km (0.086 R)
• M16: 9,957,234 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.5

Radius: 9.7

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 2.33 AU - 3.35 AU

Year: 3090 Days

Day: 10.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,633,632 km

• M1: 120,576 km (0.057 R)
• M2: 455,226 km (0.093 R)
• M3: 1,450,202 km (0.117 R)
• M4: 1,931,309 km (0.093 R)
• M5: 2,921,646 km (0.112 R)
• M6: 3,404,997 km (0.078 R)
• M7: 3,960,604 km (0.077 R)
• M8: 4,838,893 km (0.093 R)
• M9: 5,300,402 km (0.093 R)
• M10: 6,778,579 km (0.108 R)
• M11: 7,092,884 km (0.06 R)
• M12: 7,937,214 km (0.078 R)
• M13: 8,813,409 km (0.053 R)
• M14: 14,231,545 km (0.093 R)
• M15: 14,700,833 km (0.076 R)
• M16: 15,228,914 km (0.063 R)
• M17: 16,170,782 km (0.08 R)
• M18: 16,630,346 km (0.095 R)
• M19: 18,280,112 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.5

Radius: 9.7

Gravity: 9.13 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 4.3 AU - 5.08 AU

Year: 6558 Days

Day: 12.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 72,633,632 km

• M1: 120,576 km (0.08 R)
• M2: 496,515 km (0.115 R)
• M3: 894,894 km (0.116 R)
• M4: 1,419,534 km (0.074 R)
• M5: 1,817,315 km (0.104 R)
• M6: 2,464,027 km (0.048 R)
• M7: 3,434,618 km (0.056 R)
• M8: 4,159,718 km (0.063 R)
• M9: 6,349,233 km (0.036 R)
• M10: 6,735,495 km (0.089 R)
• M11: 12,138,521 km (0.093 R)
• M12: 13,810,726 km (0.09 R)
• M13: 14,340,901 km (0.106 R)
• M14: 15,694,313 km (0.039 R)
• M15: 17,469,441 km (0.115 R)
• M16: 25,915,886 km (0.089 R)
• M17: 27,824,755 km (0.066 R)
• M18: 33,056,043 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.2

Radius: 12.8

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 5.48 AU - 5.84 AU

Year: 8694 Days

Day: 9.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,633,632 km

• M1: 159,322 km (0.119 R)
• M2: 664,813 km (0.071 R)
• M3: 1,603,390 km (0.085 R)
• M4: 2,073,127 km (0.118 R)
• M5: 2,734,948 km (0.118 R)
• M6: 3,183,443 km (0.097 R)
• M7: 3,607,104 km (0.114 R)
• M8: 4,987,294 km (0.097 R)
• M9: 6,216,839 km (0.068 R)
• M10: 8,058,538 km (0.031 R)
• M11: 9,843,540 km (0.106 R)
• M12: 10,340,953 km (0.102 R)
• M13: 10,907,330 km (0.04 R)
• M14: 11,386,193 km (0.089 R)
• M15: 12,046,369 km (0.104 R)
• M16: 17,262,547 km (0.048 R)
• M17: 22,002,705 km (0.066 R)
• M18: 23,817,327 km (0.111 R)
• M19: 33,397,126 km (0.056 R)
• M20: 34,750,538 km (0.113 R)
• M21: 36,023,018 km (0.106 R)
• M22: 41,168,287 km (0.083 R)
• M23: 43,782,360 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 822

Radius: 5.6

Gravity: 26.21 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 8.27 AU - 9.45 AU

Year: 17028 Days

Day: 18.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 72,633,632 km

• M1: 70,161 km (0.095 R)
• M2: 334,650 km (0.091 R)
• M3: 722,707 km (0.109 R)
• M4: 1,419,983 km (0.108 R)
• M5: 1,749,397 km (0.064 R)
• M6: 2,048,593 km (0.072 R)
• M7: 2,701,139 km (0.12 R)
• M8: 3,207,528 km (0.071 R)
• M9: 3,775,102 km (0.101 R)
• M10: 5,369,367 km (0.097 R)
• M11: 8,764,490 km (0.097 R)
• M12: 9,304,389 km (0.113 R)
• M13: 10,272,736 km (0.081 R)
• M14: 10,509,998 km (0.11 R)
• M15: 13,792,924 km (0.1 R)
• M16: 14,746,610 km (0.098 R)
• M17: 15,124,794 km (0.116 R)
• M18: 18,474,439 km (0.069 R)
• M19: 19,814,088 km (0.116 R)
• M20: 20,274,700 km (0.053 R)
• M21: 23,088,038 km (0.028 R)
• M22: 26,593,714 km (0.114 R)
• M23: 31,298,867 km (0.102 R)
• M24: 34,505,048 km (0.06 R)
• M25: 34,770,584 km (0.079 R)
• M26: 36,944,391 km (0.089 R)
• M27: 37,782,438 km (0.077 R)
• M28: 39,063,146 km (0.043 R)
• M29: 43,541,059 km (0.102 R)
• M30: 61,112,825 km (0.077 R)
• M31: 65,887,989 km (0.11 R)
• M32: 69,628,384 km (0.088 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 18,935 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit