🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.6

Radius: 9.6

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.65 AU - 0.71 AU

Year: 368 Days

Day: 14.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,424,760 km

• M1: 119,379 km (0.079 R)
• M2: 512,971 km (0.071 R)
• M3: 828,473 km (0.108 R)
• M4: 1,348,326 km (0.075 R)
• M5: 1,888,823 km (0.112 R)
• M6: 2,189,215 km (0.034 R)
• M7: 2,652,969 km (0.119 R)
• M8: 3,085,007 km (0.104 R)
• M9: 3,517,046 km (0.108 R)
• M10: 4,475,519 km (0.101 R)
• M11: 5,045,487 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.8

Radius: 11.4

Gravity: 7.62 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.76 AU - 0.8 AU

Year: 452 Days

Day: 11.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,424,760 km

• M1: 141,819 km (0.116 R)
• M2: 619,784 km (0.119 R)
• M3: 1,099,844 km (0.076 R)
• M4: 1,511,088 km (0.097 R)
• M5: 2,087,040 km (0.086 R)
• M6: 2,452,208 km (0.113 R)
• M7: 3,052,096 km (0.081 R)
• M8: 3,513,456 km (0.085 R)
• M9: 4,035,103 km (0.087 R)
• M10: 4,842,483 km (0.098 R)
• M11: 5,284,844 km (0.051 R)
• M12: 6,365,689 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831

Radius: 12.3

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.04 AU - 1.38 AU

Year: 873 Days

Day: 10.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,424,760 km

• M1: 153,039 km (0.117 R)
• M2: 563,386 km (0.096 R)
• M3: 1,037,910 km (0.11 R)
• M4: 1,506,451 km (0.032 R)
• M5: 2,208,663 km (0.072 R)
• M6: 2,666,133 km (0.107 R)
• M7: 3,159,806 km (0.114 R)
• M8: 4,200,708 km (0.114 R)
• M9: 4,641,424 km (0.058 R)
• M10: 5,264,199 km (0.09 R)
• M11: 5,757,274 km (0.083 R)
• M12: 6,543,710 km (0.038 R)
• M13: 8,356,537 km (0.06 R)
• M14: 10,061,504 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.2

Radius: 13.3

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.51 AU - 1.61 AU

Year: 1278 Days

Day: 9.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,424,760 km

• M1: 165,455 km (0.11 R)
• M2: 655,837 km (0.119 R)
• M3: 1,086,978 km (0.115 R)
• M4: 1,515,426 km (0.116 R)
• M5: 2,196,546 km (0.119 R)
• M6: 2,711,461 km (0.07 R)
• M7: 3,643,007 km (0.084 R)
• M8: 4,161,663 km (0.108 R)
• M9: 4,974,428 km (0.078 R)
• M10: 5,472,141 km (0.1 R)
• M11: 6,895,115 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.2

Radius: 11

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 4.4 AU - 4.46 AU

Year: 6117 Days

Day: 13.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,424,760 km

• M1: 142,118 km (0.03 R)
• M2: 628,161 km (0.08 R)
• M3: 1,088,325 km (0.116 R)
• M4: 1,842,148 km (0.112 R)
• M5: 2,238,134 km (0.073 R)
• M6: 2,769,954 km (0.112 R)
• M7: 3,205,134 km (0.101 R)
• M8: 5,223,958 km (0.11 R)
• M9: 6,275,182 km (0.093 R)
• M10: 7,493,657 km (0.091 R)
• M11: 7,878,572 km (0.039 R)
• M12: 9,331,018 km (0.118 R)
• M13: 9,890,663 km (0.088 R)
• M14: 12,136,726 km (0.115 R)
• M15: 13,308,825 km (0.108 R)
• M16: 13,731,738 km (0.093 R)
• M17: 14,753,342 km (0.101 R)
• M18: 16,193,521 km (0.069 R)
• M19: 17,444,757 km (0.085 R)
• M20: 20,262,284 km (0.1 R)
• M21: 20,634,483 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.7

Radius: 14.9

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.5 AU - 6.8 AU

Year: 8810 Days

Day: 12.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,424,760 km

• M1: 185,352 km (0.077 R)
• M2: 663,766 km (0.114 R)
• M3: 1,558,959 km (0.043 R)
• M4: 2,355,568 km (0.096 R)
• M5: 2,956,054 km (0.11 R)
• M6: 4,313,954 km (0.099 R)
• M7: 5,705,364 km (0.106 R)
• M8: 8,188,838 km (0.06 R)
• M9: 8,929,796 km (0.093 R)
• M10: 10,688,917 km (0.082 R)
• M11: 14,705,471 km (0.088 R)
• M12: 16,242,439 km (0.036 R)
• M13: 16,951,683 km (0.086 R)
• M14: 24,463,590 km (0.105 R)
• M15: 27,062,704 km (0.11 R)
• M16: 30,321,992 km (0.104 R)
• M17: 31,200,730 km (0.082 R)
• M18: 32,398,560 km (0.063 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 971.7

Radius: 3.9

Gravity: 63.89 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 6.81 AU - 7.67 AU

Year: 12780 Days

Day: 20.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,424,760 km

• M1: 48,470 km (0.043 R)
• M2: 175,329 km (0.11 R)
• M3: 359,932 km (0.036 R)
• M4: 732,581 km (0.078 R)
• M5: 924,664 km (0.034 R)
• M6: 1,111,811 km (0.068 R)
• M7: 1,282,054 km (0.082 R)
• M8: 1,626,428 km (0.056 R)
• M9: 2,495,741 km (0.074 R)
• M10: 2,673,613 km (0.091 R)
• M11: 3,030,105 km (0.112 R)
• M12: 3,390,636 km (0.109 R)
• M13: 5,122,530 km (0.111 R)
• M14: 5,337,502 km (0.028 R)
• M15: 5,823,696 km (0.12 R)
• M16: 8,018,147 km (0.117 R)
• M17: 8,307,918 km (0.043 R)
• M18: 8,959,716 km (0.088 R)
• M19: 9,324,435 km (0.049 R)
• M20: 9,917,441 km (0.044 R)
• M21: 15,299,524 km (0.1 R)
• M22: 19,195,202 km (0.097 R)
• M23: 19,888,289 km (0.069 R)
• M24: 23,802,218 km (0.103 R)
• M25: 24,000,435 km (0.062 R)
• M26: 27,540,968 km (0.099 R)
• M27: 27,759,530 km (0.105 R)
• M28: 27,979,140 km (0.108 R)
• M29: 28,310,799 km (0.084 R)
• M30: 31,652,815 km (0.066 R)
• M31: 32,133,473 km (0.083 R)
• M32: 37,477,857 km (0.053 R)
• M33: 38,015,811 km (0.095 R)
• M34: 38,969,497 km (0.095 R)
• M35: 50,207,888 km (0.041 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 317 - 15,776 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit