🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.7

Radius: 14.2

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.76 AU - 0.94 AU

Year: 532 Days

Day: 10.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,870,241 km

• M1: 176,675 km (0.109 R)
• M2: 835,055 km (0.096 R)
• M3: 1,427,313 km (0.083 R)
• M4: 2,463,578 km (0.099 R)
• M5: 3,012,452 km (0.047 R)
• M6: 3,885,805 km (0.077 R)
• M7: 4,496,463 km (0.102 R)
• M8: 5,497,273 km (0.072 R)
• M9: 7,197,004 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.4

Radius: 12.2

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.92 AU - 0.96 AU

Year: 618 Days

Day: 12.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,870,241 km

• M1: 153,936 km (0.074 R)
• M2: 560,394 km (0.104 R)
• M3: 997,219 km (0.115 R)
• M4: 1,998,628 km (0.069 R)
• M5: 3,804,872 km (0.118 R)
• M6: 4,740,906 km (0.114 R)
• M7: 5,308,331 km (0.113 R)
• M8: 5,901,337 km (0.086 R)
• M9: 6,937,601 km (0.098 R)
• M10: 8,043,878 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.5

Radius: 11.4

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.08 AU - 1.56 AU

Year: 1029 Days

Day: 11.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,870,241 km

• M1: 141,819 km (0.056 R)
• M2: 678,426 km (0.059 R)
• M3: 1,296,415 km (0.081 R)
• M4: 1,723,667 km (0.116 R)
• M5: 2,661,645 km (0.082 R)
• M6: 3,377,172 km (0.053 R)
• M7: 4,200,409 km (0.104 R)
• M8: 6,594,125 km (0.093 R)
• M9: 7,169,179 km (0.108 R)
• M10: 8,794,859 km (0.109 R)
• M11: 9,869,420 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46

Radius: 13.9

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.7 AU - 1.86 AU

Year: 1611 Days

Day: 12.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 44,870,241 km

• M1: 174,880 km (0.106 R)
• M2: 855,550 km (0.1 R)
• M3: 1,519,166 km (0.04 R)
• M4: 2,209,411 km (0.097 R)
• M5: 3,406,792 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614

Radius: 12.1

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.67 AU - 2.35 AU

Year: 1933 Days

Day: 14.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,870,241 km

• M1: 150,645 km (0.081 R)
• M2: 1,016,817 km (0.119 R)
• M3: 1,435,990 km (0.114 R)
• M4: 1,842,447 km (0.11 R)
• M5: 2,613,475 km (0.11 R)
• M6: 2,998,689 km (0.036 R)
• M7: 4,489,133 km (0.088 R)
• M8: 4,982,207 km (0.113 R)
• M9: 6,028,944 km (0.088 R)
• M10: 6,866,393 km (0.105 R)
• M11: 7,466,729 km (0.113 R)
• M12: 8,371,646 km (0.108 R)
• M13: 9,283,296 km (0.098 R)
• M14: 9,679,281 km (0.063 R)
• M15: 10,863,349 km (0.097 R)
• M16: 11,679,405 km (0.112 R)
• M17: 12,416,773 km (0.119 R)
• M18: 12,979,710 km (0.116 R)
• M19: 14,816,024 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.2

Radius: 8.1

Gravity: 10.58 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 2.85 AU - 2.91 AU

Year: 3315 Days

Day: 6.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 57.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,870,241 km

• M1: 100,829 km (0.109 R)
• M2: 610,210 km (0.076 R)
• M3: 903,571 km (0.081 R)
• M4: 1,694,794 km (0.054 R)
• M5: 2,110,377 km (0.111 R)
• M6: 2,592,681 km (0.108 R)
• M7: 2,902,498 km (0.098 R)
• M8: 3,329,151 km (0.045 R)
• M9: 4,488,535 km (0.104 R)
• M10: 5,652,705 km (0.082 R)
• M11: 6,914,114 km (0.066 R)
• M12: 7,610,792 km (0.053 R)
• M13: 9,143,422 km (0.089 R)
• M14: 9,518,613 km (0.093 R)
• M15: 10,219,779 km (0.056 R)
• M16: 11,122,901 km (0.109 R)
• M17: 12,806,924 km (0.075 R)
• M18: 14,552,731 km (0.074 R)
• M19: 16,015,948 km (0.087 R)
• M20: 17,979,869 km (0.118 R)
• M21: 20,862,470 km (0.108 R)
• M22: 21,447,548 km (0.108 R)
• M23: 22,311,924 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299

Radius: 6.4

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.57 AU - 9.28 AU

Year: 13709 Days

Day: 16.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 44,870,241 km

• M1: 79,586 km (0.076 R)
• M2: 506,389 km (0.101 R)
• M3: 804,986 km (0.087 R)
• M4: 1,041,949 km (0.081 R)
• M5: 1,574,966 km (0.084 R)
• M6: 2,221,977 km (0.103 R)
• M7: 2,757,089 km (0.044 R)
• M8: 3,011,106 km (0.043 R)
• M9: 3,257,793 km (0.073 R)
• M10: 3,690,729 km (0.109 R)
• M11: 4,670,745 km (0.05 R)
• M12: 5,126,569 km (0.051 R)
• M13: 5,848,080 km (0.068 R)
• M14: 9,610,018 km (0.049 R)
• M15: 12,323,573 km (0.111 R)
• M16: 17,361,132 km (0.086 R)
• M17: 17,575,655 km (0.037 R)
• M18: 18,156,394 km (0.099 R)
• M19: 20,687,740 km (0.115 R)
• M20: 23,445,128 km (0.051 R)
• M21: 23,707,223 km (0.088 R)
• M22: 24,059,975 km (0.084 R)
• M23: 26,532,529 km (0.062 R)
• M24: 27,296,375 km (0.057 R)
• M25: 30,811,776 km (0.092 R)
• M26: 35,529,345 km (0.03 R)
• M27: 36,107,241 km (0.084 R)
• M28: 39,955,646 km (0.105 R)
• M29: 40,329,940 km (0.057 R)
• M30: 41,978,658 km (0.113 R)
• M31: 43,936,147 km (0.07 R)
• M32: 44,736,046 km (0.066 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 18,083 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit