🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.9

Radius: 8.3

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.58 AU - 0.8 AU

Year: 396 Days

Day: 10.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,033,501 km

• M1: 103,223 km (0.096 R)
• M2: 461,210 km (0.096 R)
• M3: 807,380 km (0.109 R)
• M4: 1,238,222 km (0.098 R)
• M5: 1,686,566 km (0.112 R)
• M6: 2,199,388 km (0.078 R)
• M7: 2,527,905 km (0.12 R)
• M8: 3,348,748 km (0.083 R)
• M9: 3,797,392 km (0.111 R)
• M10: 4,260,248 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.8

Radius: 13.6

Gravity: 3.79 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.62 AU - 0.98 AU

Year: 494 Days

Day: 10.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 130.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,033,501 km

• M1: 169,195 km (0.108 R)
• M2: 602,580 km (0.106 R)
• M3: 1,324,091 km (0.096 R)
• M4: 1,783,805 km (0.094 R)
• M5: 2,305,303 km (0.103 R)
• M6: 3,106,849 km (0.107 R)
• M7: 3,910,937 km (0.091 R)
• M8: 4,575,750 km (0.117 R)
• M9: 5,006,742 km (0.086 R)
• M10: 5,704,765 km (0.11 R)
• M11: 6,298,070 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.1

Radius: 8.6

Gravity: 9.74 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.89 AU - 2.19 AU

Year: 2011 Days

Day: 5 Hours

Environment

Temp: -192 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 79,033,501 km

• M1: 108,458 km (0.12 R)
• M2: 434,133 km (0.105 R)
• M3: 731,982 km (0.1 R)
• M4: 1,040,902 km (0.12 R)
• M5: 1,312,273 km (0.118 R)
• M6: 2,842,659 km (0.116 R)
• M7: 3,418,012 km (0.076 R)
• M8: 4,303,332 km (0.037 R)
• M9: 4,672,091 km (0.076 R)
• M10: 5,061,943 km (0.075 R)
• M11: 5,639,391 km (0.044 R)
• M12: 5,931,855 km (0.1 R)
• M13: 6,925,484 km (0.099 R)
• M14: 7,461,942 km (0.111 R)
• M15: 7,755,303 km (0.086 R)
• M16: 9,475,230 km (0.102 R)
• M17: 10,791,392 km (0.118 R)
• M18: 11,905,148 km (0.076 R)
• M19: 12,841,481 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.2

Radius: 13.6

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.56 AU - 2.56 AU

Year: 2041 Days

Day: 12.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 79,033,501 km

• M1: 171,140 km (0.084 R)
• M2: 609,611 km (0.071 R)
• M3: 1,143,676 km (0.111 R)
• M4: 1,569,282 km (0.098 R)
• M5: 1,994,439 km (0.107 R)
• M6: 2,849,690 km (0.086 R)
• M7: 3,388,541 km (0.112 R)
• M8: 4,481,653 km (0.115 R)
• M9: 5,098,894 km (0.116 R)
• M10: 5,672,602 km (0.107 R)
• M11: 7,065,059 km (0.073 R)
• M12: 7,718,502 km (0.098 R)
• M13: 8,976,171 km (0.079 R)
• M14: 10,106,683 km (0.039 R)
• M15: 11,369,887 km (0.088 R)
• M16: 12,352,745 km (0.107 R)
• M17: 13,126,615 km (0.104 R)
• M18: 14,676,299 km (0.112 R)
• M19: 16,192,773 km (0.072 R)
• M20: 17,543,193 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.9

Radius: 11.9

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 2.75 AU - 3.01 AU

Year: 3374 Days

Day: 6.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,033,501 km

• M1: 149,598 km (0.099 R)
• M2: 543,190 km (0.119 R)
• M3: 1,542,952 km (0.105 R)
• M4: 2,295,430 km (0.101 R)
• M5: 3,609,198 km (0.099 R)
• M6: 5,161,575 km (0.117 R)
• M7: 5,766,848 km (0.059 R)
• M8: 6,713,354 km (0.064 R)
• M9: 9,281,052 km (0.03 R)
• M10: 11,026,261 km (0.104 R)
• M11: 11,774,998 km (0.062 R)
• M12: 12,255,357 km (0.113 R)
• M13: 13,334,406 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.6

Radius: 11.2

Gravity: 7.35 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.72 AU - 4.06 AU

Year: 4308 Days

Day: 5.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 79,033,501 km

• M1: 139,276 km (0.112 R)
• M2: 549,473 km (0.097 R)
• M3: 910,602 km (0.106 R)
• M4: 1,383,780 km (0.101 R)
• M5: 1,853,966 km (0.11 R)
• M6: 2,365,292 km (0.031 R)
• M7: 3,160,255 km (0.083 R)
• M8: 4,195,622 km (0.043 R)
• M9: 4,844,129 km (0.038 R)
• M10: 5,703,568 km (0.069 R)
• M11: 6,247,506 km (0.054 R)
• M12: 8,428,793 km (0.074 R)
• M13: 8,895,688 km (0.07 R)
• M14: 10,269,295 km (0.119 R)
• M15: 11,779,636 km (0.07 R)
• M16: 13,643,475 km (0.113 R)
• M17: 14,729,107 km (0.09 R)
• M18: 15,236,094 km (0.119 R)
• M19: 16,464,293 km (0.111 R)
• M20: 17,631,455 km (0.119 R)
• M21: 18,461,125 km (0.117 R)
• M22: 19,250,104 km (0.058 R)
• M23: 21,320,539 km (0.05 R)
• M24: 21,896,940 km (0.042 R)
• M25: 22,409,761 km (0.114 R)
• M26: 23,842,011 km (0.048 R)
• M27: 24,228,871 km (0.105 R)
• M28: 24,698,608 km (0.079 R)
• M29: 25,981,111 km (0.047 R)
• M30: 28,678,510 km (0.109 R)
• M31: 29,558,445 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.1

Radius: 14.2

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.38 AU - 3.88 AU

Year: 4774 Days

Day: 9.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,033,501 km

• M1: 176,974 km (0.09 R)
• M2: 777,460 km (0.075 R)
• M3: 1,246,749 km (0.077 R)
• M4: 1,790,836 km (0.105 R)
• M5: 2,266,707 km (0.101 R)
• M6: 2,846,249 km (0.059 R)
• M7: 3,396,919 km (0.099 R)
• M8: 3,971,823 km (0.119 R)
• M9: 4,559,743 km (0.105 R)
• M10: 5,463,165 km (0.06 R)
• M11: 6,035,526 km (0.076 R)
• M12: 6,883,746 km (0.052 R)
• M13: 8,149,643 km (0.066 R)
• M14: 8,617,735 km (0.06 R)
• M15: 9,228,244 km (0.053 R)
• M16: 10,581,656 km (0.083 R)
• M17: 11,234,650 km (0.114 R)
• M18: 12,063,722 km (0.116 R)
• M19: 13,356,547 km (0.104 R)
• M20: 14,455,941 km (0.12 R)
• M21: 15,913,922 km (0.077 R)
• M22: 18,514,232 km (0.076 R)
• M23: 20,374,332 km (0.106 R)
• M24: 25,112,247 km (0.104 R)
• M25: 32,056,580 km (0.037 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 273.3

Radius: 4.2

Gravity: 15.49 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 6.23 AU - 8.47 AU

Year: 13754 Days

Day: 15 Hours

Environment

Temp: -240 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 79,033,501 km

• M1: 52,658 km (0.042 R)
• M2: 199,414 km (0.119 R)
• M3: 341,831 km (0.108 R)
• M4: 589,565 km (0.119 R)
• M5: 1,104,331 km (0.069 R)
• M6: 1,676,394 km (0.052 R)
• M7: 2,137,305 km (0.036 R)
• M8: 3,351,441 km (0.061 R)
• M9: 4,104,367 km (0.112 R)
• M10: 5,501,013 km (0.098 R)
• M11: 5,800,657 km (0.048 R)
• M12: 7,956,064 km (0.085 R)
• M13: 8,210,081 km (0.096 R)
• M14: 8,425,950 km (0.083 R)
• M15: 8,557,297 km (0.101 R)
• M16: 9,373,952 km (0.089 R)
• M17: 12,301,583 km (0.119 R)
• M18: 17,716,128 km (0.056 R)
• M19: 18,149,214 km (0.076 R)
• M20: 21,219,261 km (0.039 R)
• M21: 22,791,684 km (0.098 R)
• M22: 26,727,904 km (0.11 R)
• M23: 28,855,784 km (0.114 R)
• M24: 31,618,258 km (0.072 R)
• M25: 31,829,640 km (0.104 R)
• M26: 32,576,881 km (0.049 R)
• M27: 33,664,607 km (0.055 R)
• M28: 34,776,269 km (0.064 R)
• M29: 39,102,340 km (0.088 R)
• M30: 41,837,438 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 945.7

Radius: 3.1

Gravity: 98.41 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 8.69 AU - 8.91 AU

Year: 18019 Days

Day: 16.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 79,033,501 km

• M1: 38,596 km (0.118 R)
• M2: 165,006 km (0.111 R)
• M3: 469,289 km (0.077 R)
• M4: 770,130 km (0.099 R)
• M5: 1,103,434 km (0.087 R)
• M6: 1,200,224 km (0.063 R)
• M7: 1,593,367 km (0.087 R)
• M8: 1,906,026 km (0.047 R)
• M9: 2,302,012 km (0.096 R)
• M10: 3,454,514 km (0.057 R)
• M11: 3,975,414 km (0.104 R)
• M12: 5,132,254 km (0.112 R)
• M13: 5,443,268 km (0.113 R)
• M14: 5,766,549 km (0.039 R)
• M15: 6,952,860 km (0.09 R)
• M16: 8,451,233 km (0.053 R)
• M17: 11,404,145 km (0.095 R)
• M18: 12,477,360 km (0.115 R)
• M19: 12,826,073 km (0.112 R)
• M20: 16,678,367 km (0.106 R)
• M21: 18,503,162 km (0.111 R)
• M22: 18,865,189 km (0.105 R)
• M23: 19,047,998 km (0.025 R)
• M24: 24,767,723 km (0.093 R)
• M25: 25,096,838 km (0.08 R)
• M26: 34,715,383 km (0.054 R)
• M27: 34,852,564 km (0.081 R)
• M28: 41,247,125 km (0.049 R)
• M29: 42,801,896 km (0.074 R)
• M30: 43,593,867 km (0.026 R)
• M31: 45,698,410 km (0.09 R)
• M32: 54,423,855 km (0.078 R)
• M33: 58,397,174 km (0.109 R)
• M34: 60,553,478 km (0.115 R)
• M35: 66,702,998 km (0.057 R)
• M36: 78,796,789 km (0.124 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 13,966 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit