🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 765.3

Radius: 12.7

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.71 AU - 0.71 AU

Year: 406 Days

Day: 13.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,375,331 km

• M1: 157,975 km (0.09 R)
• M2: 631,602 km (0.099 R)
• M3: 1,167,013 km (0.076 R)
• M4: 1,649,167 km (0.105 R)
• M5: 2,093,173 km (0.075 R)
• M6: 2,492,749 km (0.111 R)
• M7: 3,217,701 km (0.085 R)
• M8: 3,856,932 km (0.055 R)
• M9: 4,268,925 km (0.066 R)
• M10: 4,740,158 km (0.078 R)
• M11: 5,374,004 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.8

Radius: 12.8

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.77 AU - 0.95 AU

Year: 541 Days

Day: 13 Hours

Environment

Temp: -172 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,375,331 km

• M1: 159,322 km (0.034 R)
• M2: 581,337 km (0.107 R)
• M3: 1,202,468 km (0.103 R)
• M4: 1,633,160 km (0.038 R)
• M5: 2,108,283 km (0.092 R)
• M6: 2,517,583 km (0.099 R)
• M7: 2,937,055 km (0.062 R)
• M8: 4,107,509 km (0.088 R)
• M9: 4,845,176 km (0.063 R)
• M10: 5,401,231 km (0.027 R)
• M11: 6,178,542 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.8

Radius: 10.1

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.12 AU - 1.36 AU

Year: 937 Days

Day: 9.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,375,331 km

• M1: 125,812 km (0.104 R)
• M2: 481,107 km (0.101 R)
• M3: 809,923 km (0.106 R)
• M4: 1,428,061 km (0.119 R)
• M5: 2,327,593 km (0.101 R)
• M6: 2,757,986 km (0.083 R)
• M7: 3,414,422 km (0.065 R)
• M8: 4,544,185 km (0.113 R)
• M9: 4,906,661 km (0.053 R)

Planet 4 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 774.5

Radius: 3.4

Gravity: 67 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 9.38 AU - 10.62 AU

Year: 21448 Days

Day: 19 Hours

Environment

Temp: -241 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 42,375,331 km

• M1: 42,635 km (0.112 R)
• M2: 316,848 km (0.09 R)
• M3: 479,611 km (0.065 R)
• M4: 1,052,271 km (0.108 R)
• M5: 1,402,480 km (0.111 R)
• M6: 1,604,587 km (0.112 R)
• M7: 1,731,147 km (0.117 R)
• M8: 1,923,679 km (0.095 R)
• M9: 2,239,031 km (0.084 R)
• M10: 2,587,594 km (0.09 R)
• M11: 4,596,993 km (0.061 R)
• M12: 5,275,419 km (0.113 R)
• M13: 6,781,122 km (0.099 R)
• M14: 7,707,581 km (0.115 R)
• M15: 13,185,706 km (0.064 R)
• M16: 15,013,642 km (0.082 R)
• M17: 16,406,099 km (0.026 R)
• M18: 19,921,200 km (0.1 R)
• M19: 20,897,027 km (0.075 R)
• M20: 21,095,993 km (0.112 R)
• M21: 23,261,571 km (0.064 R)
• M22: 24,124,153 km (0.11 R)
• M23: 25,007,827 km (0.112 R)
• M24: 26,839,504 km (0.088 R)
• M25: 27,192,555 km (0.091 R)
• M26: 30,256,469 km (0.044 R)
• M27: 31,413,458 km (0.068 R)
• M28: 36,050,693 km (0.072 R)
• M29: 40,196,050 km (0.118 R)
• M30: 43,182,772 km (0.046 R)
• M31: 43,343,889 km (0.089 R)
• M32: 45,143,401 km (0.073 R)
• M33: 49,416,964 km (0.113 R)
• M34: 53,952,472 km (0.115 R)
• M35: 54,514,661 km (0.099 R)
• M36: 56,996,041 km (0.06 R)
• M37: 59,951,496 km (0.087 R)
• M38: 70,762,186 km (0.048 R)
• M39: 70,986,284 km (0.045 R)
• M40: 71,435,676 km (0.103 R)
• M41: 78,647,490 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 12.9

Radius: 3.5

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 8.34 AU - 11.98 AU

Year: 21965 Days

Day: 15.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,375,331 km

• M1: 43,533 km (0.039 R)
• M2: 1,482,664 km (0.108 R)
• M3: 2,177,995 km (0.099 R)
• M4: 2,589,090 km (0.103 R)
• M5: 4,415,531 km (0.083 R)
• M6: 5,523,901 km (0.074 R)
• M7: 8,864,422 km (0.102 R)
• M8: 9,298,704 km (0.105 R)
• M9: 14,949,914 km (0.054 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 91.2

Radius: 5.3

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 9.19 AU - 11.63 AU

Year: 22781 Days

Day: 22.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,375,331 km

• M1: 96,790 km (0.113 R)
• M2: 719,117 km (0.099 R)
• M3: 1,400,984 km (0.028 R)
• M4: 1,714,242 km (0.113 R)
• M5: 4,514,864 km (0.105 R)
• M6: 5,043,543 km (0.069 R)
• M7: 10,746,363 km (0.07 R)
• M8: 12,620,824 km (0.118 R)
• M9: 15,661,251 km (0.094 R)
• M10: 19,989,866 km (0.042 R)
• M11: 21,324,728 km (0.044 R)
• M12: 23,909,779 km (0.081 R)
• M13: 26,603,289 km (0.067 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 12,883 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit