🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.9

Radius: 14.5

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.84 AU - 0.94 AU

Year: 580 Days

Day: 6.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 58,887,822 km

• M1: 180,415 km (0.117 R)
• M2: 647,160 km (0.068 R)
• M3: 1,181,674 km (0.095 R)
• M4: 2,049,491 km (0.086 R)
• M5: 4,185,300 km (0.101 R)
• M6: 4,724,151 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.6

Radius: 10.8

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.83 AU - 5.81 AU

Year: 8470 Days

Day: 11.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 58,887,822 km

• M1: 134,339 km (0.067 R)
• M2: 660,774 km (0.071 R)
• M3: 1,113,457 km (0.059 R)
• M4: 1,731,147 km (0.102 R)
• M5: 2,293,784 km (0.086 R)
• M6: 3,216,803 km (0.089 R)
• M7: 4,294,955 km (0.101 R)
• M8: 6,525,758 km (0.032 R)
• M9: 8,162,209 km (0.06 R)
• M10: 11,770,360 km (0.075 R)
• M11: 15,767,915 km (0.107 R)
• M12: 16,449,483 km (0.107 R)
• M13: 17,475,425 km (0.114 R)
• M14: 21,254,566 km (0.062 R)
• M15: 21,781,300 km (0.057 R)
• M16: 22,471,395 km (0.057 R)
• M17: 25,715,575 km (0.118 R)
• M18: 31,535,680 km (0.066 R)

Asteroid Belt

Center: 5.58 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 145.5

Radius: 4.4

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.82 AU - 5.86 AU

Year: 9742 Days

Day: 20.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,887,822 km

• M1: 61,784 km (0.108 R)
• M2: 724,802 km (0.044 R)
• M3: 1,363,435 km (0.094 R)
• M4: 3,137,516 km (0.073 R)
• M5: 3,334,537 km (0.09 R)
• M6: 3,710,326 km (0.081 R)
• M7: 4,447,096 km (0.073 R)
• M8: 6,204,871 km (0.105 R)
• M9: 6,515,885 km (0.072 R)
• M10: 6,772,146 km (0.089 R)
• M11: 9,269,383 km (0.111 R)
• M12: 9,552,722 km (0.084 R)
• M13: 10,524,360 km (0.119 R)
• M14: 12,960,412 km (0.094 R)
• M15: 13,162,069 km (0.074 R)
• M16: 14,042,603 km (0.036 R)
• M17: 14,687,220 km (0.087 R)
• M18: 15,072,285 km (0.067 R)
• M19: 15,862,461 km (0.12 R)
• M20: 16,443,648 km (0.068 R)
• M21: 16,978,610 km (0.094 R)
• M22: 23,130,224 km (0.081 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 826.1

Radius: 3.2

Gravity: 80.67 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.79 AU - 6.55 AU

Year: 10579 Days

Day: 22.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 58,887,822 km

• M1: 40,691 km (0.107 R)
• M2: 150,795 km (0.117 R)
• M3: 252,521 km (0.098 R)
• M4: 558,598 km (0.112 R)
• M5: 799,301 km (0.119 R)
• M6: 1,252,284 km (0.107 R)
• M7: 1,426,565 km (0.066 R)
• M8: 1,976,786 km (0.109 R)
• M9: 2,448,169 km (0.116 R)
• M10: 2,720,886 km (0.061 R)
• M11: 3,402,005 km (0.085 R)
• M12: 4,610,457 km (0.073 R)
• M13: 4,831,114 km (0.061 R)
• M14: 6,459,786 km (0.108 R)
• M15: 7,568,605 km (0.11 R)
• M16: 9,739,569 km (0.115 R)
• M17: 9,893,954 km (0.113 R)
• M18: 11,530,256 km (0.067 R)
• M19: 13,275,165 km (0.079 R)
• M20: 13,528,883 km (0.088 R)
• M21: 14,111,567 km (0.098 R)
• M22: 17,579,844 km (0.062 R)
• M23: 20,715,715 km (0.11 R)
• M24: 22,103,385 km (0.063 R)
• M25: 22,819,809 km (0.049 R)
• M26: 26,836,960 km (0.115 R)
• M27: 27,039,217 km (0.039 R)
• M28: 30,086,974 km (0.117 R)
• M29: 31,524,610 km (0.075 R)
• M30: 36,729,419 km (0.072 R)
• M31: 37,229,225 km (0.084 R)
• M32: 39,927,372 km (0.05 R)
• M33: 42,204,850 km (0.031 R)
• M34: 44,285,009 km (0.103 R)
• M35: 47,163,421 km (0.102 R)
• M36: 51,243,703 km (0.079 R)
• M37: 52,338,610 km (0.039 R)
• M38: 52,654,262 km (0.027 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637

Radius: 3.3

Gravity: 58.49 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.43 AU - 8.53 AU

Year: 14121 Days

Day: 25 Hours

Environment

Temp: -235 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 58,887,822 km

• M1: 41,139 km (0.085 R)
• M2: 153,188 km (0.073 R)
• M3: 325,076 km (0.104 R)
• M4: 477,367 km (0.05 R)
• M5: 747,690 km (0.118 R)
• M6: 1,075,309 km (0.102 R)
• M7: 2,374,417 km (0.095 R)
• M8: 4,558,397 km (0.039 R)
• M9: 5,694,593 km (0.043 R)
• M10: 5,806,342 km (0.113 R)
• M11: 11,882,708 km (0.107 R)
• M12: 12,751,872 km (0.087 R)
• M13: 13,072,311 km (0.093 R)
• M14: 15,323,160 km (0.114 R)
• M15: 15,467,373 km (0.107 R)
• M16: 17,424,861 km (0.086 R)
• M17: 18,626,132 km (0.12 R)
• M18: 18,955,546 km (0.087 R)
• M19: 19,121,749 km (0.118 R)
• M20: 21,371,103 km (0.105 R)
• M21: 21,641,426 km (0.106 R)
• M22: 25,066,170 km (0.117 R)
• M23: 30,283,695 km (0.057 R)
• M24: 33,932,687 km (0.059 R)
• M25: 40,692,865 km (0.119 R)
• M26: 40,830,944 km (0.041 R)
• M27: 44,094,571 km (0.094 R)
• M28: 50,335,644 km (0.096 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 17,025 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit