🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.6

Radius: 12.2

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.43 AU - 0.69 AU

Year: 279 Days

Day: 12.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,353,534 km

• M1: 151,692 km (0.069 R)
• M2: 607,966 km (0.114 R)
• M3: 1,133,653 km (0.104 R)
• M4: 1,518,568 km (0.103 R)
• M5: 1,958,835 km (0.051 R)
• M6: 2,590,736 km (0.094 R)
• M7: 3,295,791 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.4

Radius: 14.6

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.85 AU - 0.91 AU

Year: 550 Days

Day: 13.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 179.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 35,353,534 km

• M1: 181,612 km (0.05 R)
• M2: 641,924 km (0.062 R)
• M3: 1,117,496 km (0.094 R)
• M4: 1,883,138 km (0.113 R)
• M5: 3,377,920 km (0.113 R)
• M6: 3,878,325 km (0.107 R)
• M7: 5,282,899 km (0.108 R)
• M8: 5,832,223 km (0.043 R)
• M9: 6,439,141 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.6

Radius: 9.2

Gravity: 9.85 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.79 AU - 2.43 AU

Year: 2044 Days

Day: 7.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,353,534 km

• M1: 115,639 km (0.064 R)
• M2: 435,330 km (0.119 R)
• M3: 765,941 km (0.093 R)
• M4: 1,090,120 km (0.103 R)
• M5: 1,576,612 km (0.104 R)
• M6: 1,993,242 km (0.081 R)
• M7: 2,413,612 km (0.106 R)
• M8: 2,831,140 km (0.059 R)
• M9: 3,196,009 km (0.055 R)
• M10: 4,567,971 km (0.087 R)
• M11: 4,937,029 km (0.102 R)
• M12: 5,396,743 km (0.115 R)
• M13: 5,960,578 km (0.063 R)
• M14: 6,509,153 km (0.111 R)
• M15: 6,893,171 km (0.04 R)
• M16: 8,945,504 km (0.109 R)
• M17: 9,283,296 km (0.068 R)
• M18: 10,020,664 km (0.1 R)
• M19: 10,645,833 km (0.11 R)
• M20: 11,414,318 km (0.1 R)
• M21: 14,814,528 km (0.102 R)
• M22: 15,192,561 km (0.118 R)
• M23: 15,869,791 km (0.087 R)
• M24: 16,923,110 km (0.095 R)
• M25: 17,388,658 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.2

Radius: 13.6

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.56 AU - 3.4 AU

Year: 3430 Days

Day: 9.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,353,534 km

• M1: 169,195 km (0.057 R)
• M2: 690,993 km (0.044 R)
• M3: 1,150,856 km (0.074 R)
• M4: 1,811,780 km (0.076 R)
• M5: 2,320,562 km (0.06 R)
• M6: 2,892,325 km (0.057 R)
• M7: 3,632,984 km (0.117 R)
• M8: 4,541,492 km (0.039 R)
• M9: 5,002,104 km (0.094 R)
• M10: 5,647,918 km (0.056 R)
• M11: 6,576,023 km (0.055 R)
• M12: 8,056,294 km (0.098 R)
• M13: 12,404,057 km (0.113 R)
• M14: 14,211,050 km (0.053 R)
• M15: 14,950,811 km (0.106 R)
• M16: 16,776,952 km (0.071 R)
• M17: 18,457,086 km (0.11 R)
• M18: 20,618,327 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.5

Radius: 9.3

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.2 AU - 4.84 AU

Year: 5375 Days

Day: 11.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,353,534 km

• M1: 119,080 km (0.108 R)
• M2: 1,019,958 km (0.112 R)
• M3: 1,683,425 km (0.092 R)
• M4: 2,029,146 km (0.117 R)
• M5: 2,558,572 km (0.109 R)
• M6: 3,038,482 km (0.066 R)
• M7: 4,277,302 km (0.034 R)
• M8: 4,739,410 km (0.091 R)
• M9: 6,135,757 km (0.085 R)
• M10: 6,623,595 km (0.076 R)
• M11: 7,314,139 km (0.079 R)
• M12: 8,051,956 km (0.067 R)
• M13: 8,798,000 km (0.109 R)
• M14: 9,980,422 km (0.103 R)
• M15: 10,794,534 km (0.062 R)
• M16: 13,023,093 km (0.08 R)
• M17: 15,423,540 km (0.05 R)
• M18: 15,840,470 km (0.065 R)
• M19: 16,449,183 km (0.051 R)
• M20: 17,973,436 km (0.042 R)
• M21: 20,576,290 km (0.08 R)
• M22: 22,724,515 km (0.026 R)
• M23: 23,032,088 km (0.041 R)
• M24: 24,936,469 km (0.098 R)
• M25: 25,593,952 km (0.099 R)
• M26: 25,926,957 km (0.09 R)
• M27: 31,657,153 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.1

Radius: 12.7

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.89 AU - 5.05 AU

Year: 6302 Days

Day: 13.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,353,534 km

• M1: 157,975 km (0.115 R)
• M2: 663,915 km (0.078 R)
• M3: 1,139,337 km (0.108 R)
• M4: 1,832,574 km (0.046 R)
• M5: 2,517,283 km (0.12 R)
• M6: 4,065,023 km (0.114 R)
• M7: 4,624,818 km (0.03 R)
• M8: 5,152,899 km (0.11 R)
• M9: 5,929,611 km (0.036 R)
• M10: 6,750,006 km (0.109 R)
• M11: 8,423,707 km (0.064 R)
• M12: 9,585,633 km (0.063 R)
• M13: 12,777,304 km (0.106 R)
• M14: 13,821,048 km (0.111 R)
• M15: 14,977,440 km (0.12 R)
• M16: 16,376,928 km (0.109 R)
• M17: 16,985,043 km (0.117 R)
• M18: 18,441,079 km (0.087 R)
• M19: 21,168,996 km (0.055 R)
• M20: 22,110,864 km (0.089 R)
• M21: 24,155,718 km (0.088 R)
• M22: 25,264,388 km (0.103 R)
• M23: 26,406,717 km (0.074 R)
• M24: 28,270,856 km (0.095 R)
• M25: 30,130,657 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.3

Radius: 9.1

Gravity: 7.19 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.92 AU - 5.48 AU

Year: 6795 Days

Day: 7.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,353,534 km

• M1: 113,545 km (0.061 R)
• M2: 564,732 km (0.065 R)
• M3: 990,488 km (0.056 R)
• M4: 1,402,779 km (0.076 R)
• M5: 1,784,852 km (0.045 R)
• M6: 3,679,360 km (0.077 R)
• M7: 5,479,321 km (0.116 R)
• M8: 6,882,848 km (0.083 R)
• M9: 7,499,042 km (0.089 R)
• M10: 9,657,739 km (0.084 R)
• M11: 10,337,063 km (0.106 R)
• M12: 11,943,445 km (0.079 R)
• M13: 12,461,503 km (0.111 R)
• M14: 14,451,454 km (0.085 R)
• M15: 19,543,615 km (0.09 R)
• M16: 19,901,154 km (0.059 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 18,889 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit