🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707.3

Radius: 13.7

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.07 AU - 1.13 AU

Year: 769 Days

Day: 10.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,934,804 km

• M1: 170,392 km (0.101 R)
• M2: 775,665 km (0.117 R)
• M3: 1,787,096 km (0.079 R)
• M4: 3,042,671 km (0.08 R)
• M5: 4,788,179 km (0.097 R)
• M6: 5,245,500 km (0.108 R)
• M7: 5,946,964 km (0.095 R)
• M8: 6,646,035 km (0.064 R)
• M9: 7,468,374 km (0.096 R)
• M10: 8,483,097 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.4

Radius: 12

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.04 AU - 1.47 AU

Year: 932 Days

Day: 7.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,934,804 km

• M1: 155,582 km (0.047 R)
• M2: 780,302 km (0.093 R)
• M3: 1,455,138 km (0.09 R)
• M4: 1,977,385 km (0.096 R)
• M5: 3,225,180 km (0.092 R)
• M6: 4,438,419 km (0.114 R)
• M7: 5,652,855 km (0.109 R)
• M8: 6,469,958 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.8

Radius: 12.4

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.16 AU - 1.4 AU

Year: 966 Days

Day: 7.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,934,804 km

• M1: 154,235 km (0.104 R)
• M2: 601,683 km (0.071 R)
• M3: 988,842 km (0.115 R)
• M4: 2,008,800 km (0.08 R)
• M5: 3,327,505 km (0.113 R)
• M6: 3,833,445 km (0.095 R)
• M7: 4,250,225 km (0.102 R)
• M8: 4,763,645 km (0.051 R)
• M9: 5,390,610 km (0.087 R)
• M10: 5,915,698 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.8

Radius: 10.3

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.55 AU - 1.85 AU

Year: 1478 Days

Day: 14.4 Hours

Environment

Temp: -204 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,934,804 km

• M1: 128,056 km (0.079 R)
• M2: 503,247 km (0.05 R)
• M3: 828,922 km (0.079 R)
• M4: 1,169,107 km (0.095 R)
• M5: 1,577,809 km (0.103 R)
• M6: 2,027,500 km (0.101 R)
• M7: 3,202,890 km (0.058 R)
• M8: 3,537,990 km (0.098 R)
• M9: 5,182,968 km (0.038 R)
• M10: 6,024,905 km (0.095 R)
• M11: 6,348,634 km (0.109 R)
• M12: 7,234,852 km (0.084 R)
• M13: 8,285,777 km (0.08 R)
• M14: 9,282,398 km (0.087 R)
• M15: 10,032,781 km (0.093 R)
• M16: 11,061,267 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.6

Radius: 12.7

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.63 AU - 2.63 AU

Year: 2073 Days

Day: 14.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,934,804 km

• M1: 157,975 km (0.064 R)
• M2: 613,650 km (0.095 R)
• M3: 1,225,356 km (0.1 R)
• M4: 1,906,625 km (0.092 R)
• M5: 2,692,762 km (0.084 R)
• M6: 3,376,723 km (0.104 R)
• M7: 3,976,760 km (0.08 R)
• M8: 4,989,089 km (0.054 R)
• M9: 5,501,013 km (0.12 R)
• M10: 6,407,875 km (0.117 R)
• M11: 7,331,193 km (0.116 R)
• M12: 7,797,041 km (0.111 R)
• M13: 8,311,807 km (0.089 R)
• M14: 9,895,002 km (0.095 R)
• M15: 10,810,391 km (0.042 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.8

Radius: 14.9

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.95 AU - 4.23 AU

Year: 5516 Days

Day: 6 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 56,934,804 km

• M1: 185,352 km (0.104 R)
• M2: 1,054,515 km (0.069 R)
• M3: 1,569,581 km (0.062 R)
• M4: 3,002,429 km (0.05 R)
• M5: 3,639,267 km (0.102 R)
• M6: 4,542,390 km (0.09 R)
• M7: 5,271,679 km (0.09 R)
• M8: 5,740,070 km (0.096 R)
• M9: 6,300,314 km (0.062 R)
• M10: 7,280,031 km (0.106 R)
• M11: 7,900,413 km (0.11 R)
• M12: 9,040,199 km (0.072 R)
• M13: 10,650,471 km (0.032 R)
• M14: 13,441,518 km (0.118 R)
• M15: 14,042,303 km (0.054 R)
• M16: 15,064,206 km (0.111 R)
• M17: 16,013,554 km (0.071 R)
• M18: 17,256,114 km (0.098 R)
• M19: 19,376,664 km (0.067 R)
• M20: 19,862,708 km (0.045 R)
• M21: 20,428,337 km (0.102 R)
• M22: 21,443,957 km (0.074 R)
• M23: 21,964,259 km (0.117 R)
• M24: 27,554,133 km (0.055 R)
• M25: 32,152,771 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 772.3

Radius: 5.3

Gravity: 27.49 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.32 AU - 8.56 AU

Year: 12192 Days

Day: 17.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 56,934,804 km

• M1: 65,973 km (0.113 R)
• M2: 242,947 km (0.115 R)
• M3: 420,220 km (0.097 R)
• M4: 615,446 km (0.107 R)
• M5: 892,052 km (0.1 R)
• M6: 1,185,264 km (0.052 R)
• M7: 1,555,818 km (0.098 R)
• M8: 1,793,080 km (0.113 R)
• M9: 2,808,550 km (0.065 R)
• M10: 3,186,435 km (0.066 R)
• M11: 4,309,316 km (0.032 R)
• M12: 4,524,588 km (0.048 R)
• M13: 6,008,000 km (0.101 R)
• M14: 6,276,827 km (0.093 R)
• M15: 8,201,254 km (0.093 R)
• M16: 8,580,335 km (0.081 R)
• M17: 9,120,533 km (0.104 R)
• M18: 10,214,393 km (0.054 R)
• M19: 10,542,312 km (0.109 R)
• M20: 14,765,160 km (0.057 R)
• M21: 18,666,673 km (0.073 R)
• M22: 19,405,237 km (0.097 R)
• M23: 21,203,853 km (0.059 R)
• M24: 26,028,384 km (0.041 R)
• M25: 26,743,013 km (0.115 R)
• M26: 30,176,583 km (0.116 R)
• M27: 34,134,793 km (0.11 R)
• M28: 43,917,297 km (0.115 R)
• M29: 45,221,043 km (0.106 R)
• M30: 52,129,323 km (0.059 R)
• M31: 52,937,750 km (0.094 R)
• M32: 54,248,526 km (0.119 R)
• M33: 54,413,832 km (0.028 R)
• M34: 56,594,221 km (0.097 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: 369 - 18,690 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit