🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.94 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.5 AU - 2.24 AU

Year: 1133 Days

Day: 44 Hours

Environment

Temp: -119 °C

Axial Tilt: 25.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,052,707 km

• M1: 1,266,795 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.9

Radius: 12.9

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.85 AU - 5.05 AU

Year: 4158 Days

Day: 7.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,052,707 km

• M1: 160,369 km (0.114 R)
• M2: 690,693 km (0.114 R)
• M3: 1,363,585 km (0.028 R)
• M4: 1,871,918 km (0.115 R)
• M5: 2,748,562 km (0.04 R)
• M6: 4,579,041 km (0.093 R)
• M7: 5,209,447 km (0.112 R)
• M8: 6,996,393 km (0.11 R)
• M9: 7,422,897 km (0.117 R)
• M10: 8,395,732 km (0.102 R)
• M11: 8,913,191 km (0.105 R)
• M12: 9,342,387 km (0.076 R)
• M13: 11,955,712 km (0.107 R)
• M14: 15,632,379 km (0.103 R)
• M15: 18,236,130 km (0.089 R)
• M16: 18,988,458 km (0.084 R)
• M17: 20,064,066 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.7

Radius: 9.9

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 7.25 AU - 10.83 AU

Year: 12039 Days

Day: 15 Hours

Environment

Temp: -191 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,052,707 km

• M1: 123,568 km (0.08 R)
• M2: 431,590 km (0.077 R)
• M3: 874,848 km (0.026 R)
• M4: 2,199,837 km (0.096 R)
• M5: 3,049,702 km (0.096 R)
• M6: 3,586,908 km (0.094 R)
• M7: 5,753,235 km (0.099 R)
• M8: 7,073,287 km (0.067 R)
• M9: 7,679,008 km (0.029 R)
• M10: 8,948,047 km (0.119 R)
• M11: 10,250,446 km (0.09 R)
• M12: 12,349,005 km (0.061 R)
• M13: 14,210,003 km (0.102 R)
• M14: 15,174,610 km (0.078 R)
• M15: 19,706,677 km (0.067 R)
• M16: 25,905,564 km (0.104 R)
• M17: 30,167,009 km (0.069 R)
• M18: 32,627,894 km (0.106 R)
• M19: 36,624,850 km (0.072 R)
• M20: 39,671,859 km (0.074 R)
• M21: 41,192,821 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 11.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.8

Radius: 7.8

Gravity: 9.6 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 10.77 AU - 12.73 AU

Year: 17840 Days

Day: 20.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 175.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,052,707 km

• M1: 96,939 km (0.056 R)
• M2: 724,054 km (0.089 R)
• M3: 985,551 km (0.05 R)
• M4: 1,339,200 km (0.116 R)
• M5: 2,163,484 km (0.104 R)
• M6: 2,452,507 km (0.094 R)
• M7: 2,814,235 km (0.075 R)
• M8: 3,263,478 km (0.032 R)
• M9: 4,369,006 km (0.084 R)
• M10: 5,744,409 km (0.105 R)
• M11: 8,046,720 km (0.088 R)
• M12: 8,491,026 km (0.06 R)
• M13: 12,720,905 km (0.099 R)
• M14: 14,443,226 km (0.113 R)
• M15: 14,878,555 km (0.105 R)
• M16: 15,173,712 km (0.072 R)
• M17: 15,623,702 km (0.094 R)
• M18: 18,175,692 km (0.106 R)
• M19: 23,686,280 km (0.097 R)
• M20: 24,701,451 km (0.119 R)
• M21: 25,324,227 km (0.044 R)
• M22: 26,064,138 km (0.102 R)
• M23: 26,493,334 km (0.058 R)
• M24: 29,981,059 km (0.096 R)
• M25: 36,232,006 km (0.098 R)
• M26: 41,964,447 km (0.072 R)
• M27: 51,064,635 km (0.043 R)
• M28: 53,098,567 km (0.039 R)
• M29: 59,153,691 km (0.117 R)
• M30: 60,455,043 km (0.119 R)
• M31: 62,922,211 km (0.082 R)
• M32: 65,851,487 km (0.091 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 713.3

Radius: 5.2

Gravity: 26.38 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 12.2 AU - 12.48 AU

Year: 19200 Days

Day: 15.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 75,052,707 km

• M1: 96,341 km (0.093 R)
• M2: 270,473 km (0.069 R)
• M3: 452,982 km (0.085 R)
• M4: 907,461 km (0.077 R)
• M5: 1,075,609 km (0.074 R)
• M6: 1,352,514 km (0.045 R)
• M7: 2,833,683 km (0.101 R)
• M8: 3,117,320 km (0.108 R)
• M9: 3,447,932 km (0.066 R)
• M10: 4,792,218 km (0.097 R)
• M11: 5,083,186 km (0.041 R)
• M12: 5,270,782 km (0.062 R)
• M13: 5,700,128 km (0.11 R)
• M14: 7,035,588 km (0.104 R)
• M15: 7,459,249 km (0.109 R)
• M16: 10,730,655 km (0.111 R)
• M17: 11,872,536 km (0.039 R)
• M18: 12,609,006 km (0.107 R)
• M19: 13,023,243 km (0.1 R)
• M20: 14,695,747 km (0.089 R)
• M21: 15,701,793 km (0.05 R)
• M22: 17,085,573 km (0.043 R)
• M23: 17,850,018 km (0.057 R)
• M24: 19,907,138 km (0.09 R)
• M25: 20,468,729 km (0.105 R)
• M26: 21,330,712 km (0.093 R)
• M27: 25,347,115 km (0.108 R)
• M28: 28,759,443 km (0.07 R)
• M29: 31,826,947 km (0.054 R)
• M30: 47,098,795 km (0.108 R)
• M31: 47,429,257 km (0.073 R)
• M32: 49,785,872 km (0.05 R)
• M33: 50,473,274 km (0.109 R)
• M34: 50,992,828 km (0.068 R)
• M35: 68,504,156 km (0.062 R)
• M36: 69,996,694 km (0.078 R)
• M37: 70,859,126 km (0.101 R)
• M38: 74,603,710 km (0.092 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: 485 - 19,452 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit