🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.08 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.9

Radius: 12.8

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.08 AU - 2.22 AU

Year: 2138 Days

Day: 12.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,425,271 km

• M1: 159,172 km (0.103 R)
• M2: 562,638 km (0.113 R)
• M3: 1,056,311 km (0.112 R)
• M4: 1,613,563 km (0.085 R)
• M5: 2,038,570 km (0.064 R)
• M6: 2,964,731 km (0.038 R)
• M7: 3,647,944 km (0.095 R)
• M8: 4,373,045 km (0.119 R)
• M9: 6,422,685 km (0.082 R)
• M10: 9,148,658 km (0.04 R)
• M11: 14,959,189 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.1

Radius: 14.4

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.28 AU - 3.38 AU

Year: 3229 Days

Day: 12.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,425,271 km

• M1: 180,116 km (0.113 R)
• M2: 815,308 km (0.077 R)
• M3: 1,290,880 km (0.098 R)
• M4: 2,046,499 km (0.102 R)
• M5: 2,632,474 km (0.111 R)
• M6: 3,101,463 km (0.064 R)
• M7: 4,560,491 km (0.095 R)
• M8: 5,072,714 km (0.082 R)
• M9: 5,727,803 km (0.068 R)
• M10: 6,353,870 km (0.081 R)
• M11: 7,025,266 km (0.12 R)
• M12: 7,551,701 km (0.114 R)
• M13: 8,510,772 km (0.079 R)
• M14: 9,438,429 km (0.119 R)
• M15: 11,119,311 km (0.037 R)
• M16: 11,965,885 km (0.101 R)
• M17: 12,900,722 km (0.079 R)
• M18: 13,692,693 km (0.04 R)
• M19: 14,916,104 km (0.111 R)
• M20: 15,580,469 km (0.111 R)
• M21: 16,804,179 km (0.07 R)
• M22: 18,788,146 km (0.05 R)
• M23: 19,989,716 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 637.2

Radius: 8.9

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 2.65 AU - 3.51 AU

Year: 3666 Days

Day: 9 Hours

Environment

Temp: -220 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,425,271 km

• M1: 110,702 km (0.103 R)
• M2: 432,338 km (0.034 R)
• M3: 767,886 km (0.097 R)
• M4: 1,151,156 km (0.078 R)
• M5: 1,461,571 km (0.093 R)
• M6: 2,313,830 km (0.094 R)
• M7: 3,238,345 km (0.106 R)
• M8: 3,523,628 km (0.111 R)
• M9: 4,345,519 km (0.066 R)
• M10: 4,813,910 km (0.107 R)
• M11: 5,579,402 km (0.115 R)
• M12: 6,277,276 km (0.03 R)
• M13: 7,914,176 km (0.103 R)
• M14: 8,978,565 km (0.081 R)
• M15: 10,095,313 km (0.114 R)
• M16: 10,708,216 km (0.114 R)
• M17: 11,476,101 km (0.069 R)
• M18: 12,978,513 km (0.069 R)
• M19: 13,851,117 km (0.101 R)
• M20: 14,505,309 km (0.09 R)
• M21: 16,038,837 km (0.095 R)
• M22: 21,616,743 km (0.085 R)
• M23: 22,428,162 km (0.061 R)
• M24: 23,050,040 km (0.097 R)
• M25: 23,825,555 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.1

Radius: 9.4

Gravity: 9.21 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.58 AU - 3.68 AU

Year: 4691 Days

Day: 11 Hours

Environment

Temp: -212 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,425,271 km

• M1: 118,631 km (0.106 R)
• M2: 411,993 km (0.043 R)
• M3: 1,214,286 km (0.059 R)
• M4: 1,517,970 km (0.081 R)
• M5: 2,578,768 km (0.075 R)
• M6: 3,775,701 km (0.045 R)
• M7: 4,072,952 km (0.114 R)
• M8: 4,510,226 km (0.105 R)
• M9: 5,624,282 km (0.041 R)
• M10: 7,219,743 km (0.098 R)
• M11: 7,752,162 km (0.066 R)
• M12: 8,348,758 km (0.115 R)
• M13: 9,259,809 km (0.101 R)
• M14: 12,591,204 km (0.118 R)
• M15: 14,831,582 km (0.056 R)
• M16: 16,953,179 km (0.1 R)
• M17: 17,639,833 km (0.063 R)
• M18: 19,879,911 km (0.076 R)
• M19: 21,861,784 km (0.082 R)
• M20: 22,976,139 km (0.097 R)
• M21: 24,441,300 km (0.058 R)
• M22: 26,132,205 km (0.037 R)
• M23: 26,712,794 km (0.119 R)
• M24: 29,209,882 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.7

Radius: 3.1

Gravity: 45.44 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.65 AU - 9.07 AU

Year: 13543 Days

Day: 18.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 72,425,271 km

• M1: 38,596 km (0.114 R)
• M2: 159,920 km (0.115 R)
• M3: 561,291 km (0.12 R)
• M4: 885,171 km (0.071 R)
• M5: 1,042,847 km (0.105 R)
• M6: 1,231,340 km (0.11 R)
• M7: 1,333,964 km (0.119 R)
• M8: 1,819,110 km (0.118 R)
• M9: 2,201,931 km (0.106 R)
• M10: 2,373,221 km (0.108 R)
• M11: 2,532,842 km (0.111 R)
• M12: 3,415,469 km (0.089 R)
• M13: 3,516,298 km (0.052 R)
• M14: 4,220,754 km (0.068 R)
• M15: 5,244,004 km (0.084 R)
• M16: 7,423,944 km (0.111 R)
• M17: 8,251,819 km (0.103 R)
• M18: 9,985,957 km (0.075 R)
• M19: 10,296,672 km (0.102 R)
• M20: 10,992,302 km (0.116 R)
• M21: 12,298,591 km (0.085 R)
• M22: 14,348,381 km (0.076 R)
• M23: 20,074,089 km (0.073 R)
• M24: 36,578,475 km (0.092 R)
• M25: 38,188,447 km (0.044 R)
• M26: 40,104,048 km (0.104 R)
• M27: 43,028,088 km (0.091 R)
• M28: 44,402,892 km (0.108 R)
• M29: 45,665,049 km (0.067 R)
• M30: 46,233,671 km (0.118 R)
• M31: 47,821,503 km (0.089 R)
• M32: 49,147,239 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.4

Radius: 7.1

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 7.53 AU - 8.85 AU

Year: 15897 Days

Day: 23.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,425,271 km

• M1: 88,412 km (0.106 R)
• M2: 321,037 km (0.065 R)
• M3: 668,852 km (0.104 R)
• M4: 1,748,949 km (0.117 R)
• M5: 2,325,798 km (0.119 R)
• M6: 4,733,127 km (0.076 R)
• M7: 11,028,505 km (0.111 R)
• M8: 14,852,974 km (0.096 R)
• M9: 18,648,871 km (0.08 R)
• M10: 32,182,392 km (0.112 R)
• M11: 39,659,293 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 622.4

Radius: 7.5

Gravity: 11.06 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 9.19 AU - 9.57 AU

Year: 19485 Days

Day: 16.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,425,271 km

• M1: 153,338 km (0.079 R)
• M2: 454,927 km (0.03 R)
• M3: 772,823 km (0.089 R)
• M4: 1,767,648 km (0.082 R)
• M5: 2,145,533 km (0.113 R)
• M6: 3,384,353 km (0.083 R)
• M7: 5,225,753 km (0.048 R)
• M8: 5,529,137 km (0.082 R)
• M9: 6,381,696 km (0.075 R)
• M10: 6,640,649 km (0.118 R)
• M11: 7,507,569 km (0.089 R)
• M12: 8,345,168 km (0.072 R)
• M13: 8,655,284 km (0.091 R)
• M14: 8,973,030 km (0.097 R)
• M15: 9,298,555 km (0.068 R)
• M16: 10,800,966 km (0.093 R)
• M17: 11,609,992 km (0.069 R)
• M18: 11,931,627 km (0.057 R)
• M19: 13,208,594 km (0.058 R)
• M20: 13,916,192 km (0.109 R)
• M21: 17,415,586 km (0.094 R)
• M22: 18,526,350 km (0.099 R)
• M23: 25,009,622 km (0.102 R)
• M24: 28,000,981 km (0.081 R)
• M25: 39,249,694 km (0.071 R)
• M26: 42,811,769 km (0.046 R)
• M27: 43,117,996 km (0.104 R)
• M28: 46,745,445 km (0.1 R)
• M29: 50,913,391 km (0.094 R)
• M30: 51,429,654 km (0.063 R)
• M31: 58,086,609 km (0.114 R)
• M32: 62,501,392 km (0.118 R)
• M33: 65,701,290 km (0.086 R)
• M34: 71,992,180 km (0.079 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 11,016 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit