🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.4

Radius: 13.4

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.75 AU - 0.83 AU

Year: 468 Days

Day: 12.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 35,890,418 km

• M1: 166,652 km (0.114 R)
• M2: 586,872 km (0.115 R)
• M3: 1,048,382 km (0.081 R)
• M4: 1,540,708 km (0.085 R)
• M5: 2,055,026 km (0.111 R)
• M6: 2,519,677 km (0.076 R)
• M7: 3,034,593 km (0.06 R)
• M8: 3,689,083 km (0.08 R)
• M9: 4,151,191 km (0.092 R)
• M10: 4,597,292 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.6

Radius: 11.6

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.09 AU - 1.77 AU

Year: 1140 Days

Day: 14.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,890,418 km

• M1: 144,362 km (0.106 R)
• M2: 619,784 km (0.072 R)
• M3: 1,187,209 km (0.045 R)
• M4: 1,736,382 km (0.097 R)
• M5: 2,342,403 km (0.083 R)
• M6: 2,749,310 km (0.056 R)
• M7: 3,203,638 km (0.058 R)
• M8: 3,857,231 km (0.12 R)
• M9: 4,248,580 km (0.071 R)
• M10: 5,566,088 km (0.086 R)
• M11: 7,070,145 km (0.117 R)
• M12: 7,515,049 km (0.083 R)
• M13: 8,829,416 km (0.076 R)
• M14: 9,235,574 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.4

Radius: 9.5

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.91 AU - 2.37 AU

Year: 2088 Days

Day: 11.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,890,418 km

• M1: 118,182 km (0.114 R)
• M2: 463,454 km (0.118 R)
• M3: 964,607 km (0.103 R)
• M4: 1,283,699 km (0.108 R)
• M5: 2,410,321 km (0.098 R)
• M6: 4,570,365 km (0.083 R)
• M7: 5,016,615 km (0.067 R)
• M8: 5,832,671 km (0.088 R)
• M9: 6,284,906 km (0.112 R)
• M10: 9,866,578 km (0.108 R)
• M11: 10,823,556 km (0.066 R)
• M12: 12,219,902 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.6

Radius: 14.9

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.42 AU - 2.56 AU

Year: 2620 Days

Day: 8.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,890,418 km

• M1: 185,352 km (0.088 R)
• M2: 736,321 km (0.096 R)
• M3: 1,927,120 km (0.084 R)
• M4: 2,781,324 km (0.063 R)
• M5: 3,478,001 km (0.048 R)
• M6: 5,034,866 km (0.074 R)
• M7: 5,865,733 km (0.098 R)
• M8: 7,096,773 km (0.063 R)
• M9: 7,635,027 km (0.103 R)
• M10: 8,229,678 km (0.111 R)
• M11: 8,916,183 km (0.088 R)
• M12: 13,541,150 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.3

Radius: 12.6

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.7 AU - 3.56 AU

Year: 3693 Days

Day: 5.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 35,890,418 km

• M1: 157,078 km (0.117 R)
• M2: 637,137 km (0.077 R)
• M3: 1,077,254 km (0.119 R)
• M4: 1,902,586 km (0.036 R)
• M5: 2,596,720 km (0.059 R)
• M6: 3,642,858 km (0.03 R)
• M7: 4,083,124 km (0.112 R)
• M8: 4,951,989 km (0.111 R)
• M9: 5,571,324 km (0.099 R)
• M10: 7,616,028 km (0.078 R)
• M11: 8,684,904 km (0.096 R)
• M12: 9,624,977 km (0.1 R)
• M13: 13,738,919 km (0.029 R)
• M14: 14,913,561 km (0.104 R)
• M15: 15,837,777 km (0.111 R)
• M16: 18,315,267 km (0.098 R)
• M17: 18,781,414 km (0.092 R)
• M18: 20,104,159 km (0.073 R)
• M19: 20,914,381 km (0.109 R)
• M20: 21,681,519 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.9

Radius: 13.5

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.43 AU - 4.05 AU

Year: 3889 Days

Day: 7.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,890,418 km

• M1: 168,148 km (0.079 R)
• M2: 857,495 km (0.09 R)
• M3: 1,285,644 km (0.065 R)
• M4: 2,220,032 km (0.039 R)
• M5: 2,742,727 km (0.111 R)
• M6: 3,651,086 km (0.093 R)
• M7: 4,130,397 km (0.095 R)
• M8: 4,801,493 km (0.109 R)
• M9: 5,243,705 km (0.113 R)
• M10: 6,180,786 km (0.093 R)
• M11: 6,995,346 km (0.069 R)
• M12: 7,774,601 km (0.06 R)
• M13: 8,724,398 km (0.068 R)
• M14: 9,386,369 km (0.108 R)
• M15: 10,165,475 km (0.112 R)
• M16: 11,301,222 km (0.071 R)
• M17: 13,111,057 km (0.045 R)
• M18: 14,402,834 km (0.053 R)
• M19: 15,107,141 km (0.088 R)
• M20: 16,526,376 km (0.1 R)
• M21: 18,281,907 km (0.109 R)
• M22: 19,628,737 km (0.086 R)
• M23: 21,040,791 km (0.106 R)
• M24: 22,591,522 km (0.099 R)
• M25: 23,027,301 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.2

Radius: 11.4

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.28 AU - 6.26 AU

Year: 8068 Days

Day: 9.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,890,418 km

• M1: 141,819 km (0.088 R)
• M2: 519,853 km (0.076 R)
• M3: 908,209 km (0.12 R)
• M4: 1,339,200 km (0.077 R)
• M5: 1,831,676 km (0.074 R)
• M6: 3,276,792 km (0.075 R)
• M7: 4,344,472 km (0.107 R)
• M8: 5,405,420 km (0.09 R)
• M9: 6,134,410 km (0.063 R)
• M10: 7,586,407 km (0.108 R)
• M11: 8,500,301 km (0.111 R)
• M12: 9,255,770 km (0.07 R)
• M13: 11,314,087 km (0.094 R)
• M14: 13,190,942 km (0.116 R)
• M15: 13,900,485 km (0.091 R)
• M16: 14,387,426 km (0.103 R)
• M17: 16,315,892 km (0.115 R)
• M18: 17,482,157 km (0.105 R)
• M19: 19,147,480 km (0.091 R)
• M20: 20,679,512 km (0.03 R)
• M21: 25,947,451 km (0.03 R)
• M22: 29,383,864 km (0.081 R)
• M23: 33,005,180 km (0.071 R)
• M24: 33,654,435 km (0.066 R)
• M25: 37,613,243 km (0.071 R)
• M26: 38,202,958 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 993.6

Radius: 3.4

Gravity: 85.95 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.54 AU - 7.14 AU

Year: 9411 Days

Day: 23 Hours

Environment

Temp: -228 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 35,890,418 km

• M1: 42,336 km (0.07 R)
• M2: 214,523 km (0.07 R)
• M3: 356,193 km (0.12 R)
• M4: 477,816 km (0.11 R)
• M5: 659,427 km (0.109 R)
• M6: 807,978 km (0.108 R)
• M7: 989,440 km (0.116 R)
• M8: 1,325,288 km (0.109 R)
• M9: 1,448,107 km (0.114 R)
• M10: 1,563,597 km (0.088 R)
• M11: 1,764,357 km (0.051 R)
• M12: 2,700,990 km (0.067 R)
• M13: 4,328,016 km (0.12 R)
• M14: 4,599,536 km (0.09 R)
• M15: 5,277,214 km (0.107 R)
• M16: 8,286,376 km (0.099 R)
• M17: 8,610,554 km (0.112 R)
• M18: 9,433,043 km (0.114 R)
• M19: 11,288,506 km (0.075 R)
• M20: 11,629,290 km (0.096 R)
• M21: 13,883,879 km (0.059 R)
• M22: 14,473,295 km (0.111 R)
• M23: 15,842,415 km (0.108 R)
• M24: 16,485,835 km (0.046 R)
• M25: 18,677,294 km (0.113 R)
• M26: 19,719,692 km (0.103 R)
• M27: 25,228,484 km (0.078 R)
• M28: 28,749,719 km (0.096 R)
• M29: 32,699,252 km (0.038 R)
• M30: 41,652,236 km (0.092 R)
• M31: 41,921,961 km (0.098 R)
• M32: 43,287,490 km (0.113 R)
• M33: 44,120,900 km (0.089 R)
• M34: 46,685,157 km (0.045 R)
• M35: 49,046,410 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.4

Radius: 7.7

Gravity: 9.27 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 7.11 AU - 7.4 AU

Year: 13018 Days

Day: 22.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 35,890,418 km

• M1: 96,042 km (0.11 R)
• M2: 379,829 km (0.112 R)
• M3: 622,477 km (0.115 R)
• M4: 923,916 km (0.096 R)
• M5: 1,442,572 km (0.1 R)
• M6: 2,215,844 km (0.055 R)
• M7: 4,107,210 km (0.094 R)
• M8: 4,549,271 km (0.032 R)
• M9: 6,067,690 km (0.078 R)
• M10: 7,251,009 km (0.052 R)
• M11: 7,897,272 km (0.051 R)
• M12: 8,913,640 km (0.081 R)
• M13: 9,453,239 km (0.074 R)
• M14: 10,925,581 km (0.076 R)
• M15: 13,097,294 km (0.113 R)
• M16: 14,785,506 km (0.025 R)
• M17: 15,194,805 km (0.066 R)
• M18: 15,822,967 km (0.062 R)
• M19: 16,251,116 km (0.102 R)
• M20: 16,982,051 km (0.048 R)
• M21: 17,734,678 km (0.077 R)
• M22: 18,430,906 km (0.065 R)
• M23: 21,140,124 km (0.099 R)
• M24: 21,485,545 km (0.101 R)
• M25: 25,246,885 km (0.116 R)
• M26: 27,537,976 km (0.055 R)
• M27: 35,601,451 km (0.067 R)
• M28: 38,603,880 km (0.108 R)
• M29: 44,680,845 km (0.108 R)
• M30: 47,427,462 km (0.114 R)
• M31: 51,677,238 km (0.1 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140

Radius: 4.3

Gravity: 7.57 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 7.41 AU - 8.05 AU

Year: 14332 Days

Day: 23.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,890,418 km

• M1: 311,164 km (0.109 R)
• M2: 698,024 km (0.109 R)
• M3: 1,121,086 km (0.086 R)
• M4: 1,437,336 km (0.061 R)
• M5: 1,767,648 km (0.104 R)
• M6: 2,245,314 km (0.038 R)
• M7: 2,689,620 km (0.078 R)
• M8: 3,564,468 km (0.062 R)
• M9: 4,016,703 km (0.067 R)
• M10: 5,822,798 km (0.079 R)
• M11: 8,430,139 km (0.107 R)
• M12: 9,057,104 km (0.12 R)
• M13: 10,497,582 km (0.082 R)
• M14: 11,421,498 km (0.103 R)
• M15: 11,673,271 km (0.068 R)
• M16: 12,032,157 km (0.065 R)
• M17: 16,160,609 km (0.104 R)
• M18: 16,606,261 km (0.084 R)
• M19: 17,191,189 km (0.076 R)
• M20: 20,618,775 km (0.106 R)
• M21: 22,610,073 km (0.073 R)
• M22: 28,141,603 km (0.104 R)
• M23: 29,159,019 km (0.079 R)
• M24: 29,440,711 km (0.085 R)
• M25: 33,989,833 km (0.098 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 17,850 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit