🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.2

Radius: 12

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.85 AU - 0.97 AU

Year: 569 Days

Day: 10.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 92,813,422 km

• M1: 149,299 km (0.051 R)
• M2: 566,378 km (0.093 R)
• M3: 1,075,758 km (0.085 R)
• M4: 1,470,248 km (0.079 R)
• M5: 2,190,262 km (0.089 R)
• M6: 3,064,064 km (0.093 R)
• M7: 3,771,213 km (0.053 R)
• M8: 4,171,237 km (0.055 R)
• M9: 4,692,137 km (0.064 R)
• M10: 5,255,972 km (0.084 R)
• M11: 5,703,718 km (0.075 R)
• M12: 6,385,136 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.1

Radius: 10.6

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.84 AU - 1 AU

Year: 579 Days

Day: 7 Hours

Environment

Temp: -160 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 92,813,422 km

• M1: 131,796 km (0.091 R)
• M2: 509,082 km (0.051 R)
• M3: 1,076,955 km (0.106 R)
• M4: 1,568,982 km (0.119 R)
• M5: 1,971,550 km (0.036 R)
• M6: 2,592,681 km (0.082 R)
• M7: 3,114,628 km (0.066 R)
• M8: 3,627,748 km (0.095 R)
• M9: 4,699,617 km (0.096 R)
• M10: 5,160,379 km (0.039 R)
• M11: 6,247,057 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.7

Radius: 13.8

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.89 AU - 1.17 AU

Year: 686 Days

Day: 14 Hours

Environment

Temp: -160 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 92,813,422 km

• M1: 171,589 km (0.106 R)
• M2: 602,879 km (0.114 R)
• M3: 1,035,965 km (0.109 R)
• M4: 1,612,964 km (0.098 R)
• M5: 2,614,223 km (0.041 R)
• M6: 3,353,535 km (0.117 R)
• M7: 4,557,499 km (0.101 R)
• M8: 5,365,328 km (0.108 R)
• M9: 6,212,201 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.1

Radius: 13.8

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.5 AU - 2.08 AU

Year: 1571 Days

Day: 7.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 92,813,422 km

• M1: 172,187 km (0.114 R)
• M2: 676,781 km (0.107 R)
• M3: 1,416,243 km (0.085 R)
• M4: 1,916,349 km (0.107 R)
• M5: 2,498,584 km (0.06 R)
• M6: 3,241,187 km (0.072 R)
• M7: 3,991,271 km (0.106 R)
• M8: 5,351,565 km (0.049 R)
• M9: 6,661,294 km (0.096 R)
• M10: 7,100,962 km (0.082 R)
• M11: 8,093,095 km (0.093 R)
• M12: 8,622,971 km (0.076 R)
• M13: 9,057,553 km (0.12 R)
• M14: 9,567,681 km (0.051 R)
• M15: 10,033,828 km (0.091 R)
• M16: 10,547,697 km (0.091 R)
• M17: 11,214,754 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862

Radius: 14.8

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.88 AU - 4.08 AU

Year: 4259 Days

Day: 14.6 Hours

Environment

Temp: -213 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 92,813,422 km

• M1: 184,005 km (0.057 R)
• M2: 661,073 km (0.045 R)
• M3: 1,368,970 km (0.03 R)
• M4: 2,019,272 km (0.077 R)
• M5: 2,530,897 km (0.052 R)
• M6: 3,206,182 km (0.035 R)
• M7: 4,000,097 km (0.037 R)
• M8: 4,542,240 km (0.039 R)
• M9: 5,080,044 km (0.088 R)
• M10: 5,631,761 km (0.086 R)
• M11: 6,440,188 km (0.086 R)
• M12: 8,067,813 km (0.11 R)
• M13: 10,297,270 km (0.078 R)
• M14: 15,087,693 km (0.069 R)
• M15: 17,313,859 km (0.067 R)
• M16: 18,313,921 km (0.067 R)
• M17: 19,484,674 km (0.112 R)
• M18: 20,088,451 km (0.112 R)
• M19: 20,982,597 km (0.12 R)
• M20: 25,062,281 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 61

Radius: 8

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 5.08 AU - 7.04 AU

Year: 9786 Days

Day: 24.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 92,813,422 km

• M1: 99,483 km (0.103 R)
• M2: 404,513 km (0.101 R)
• M3: 725,101 km (0.045 R)
• M4: 1,546,842 km (0.081 R)
• M5: 1,863,989 km (0.067 R)
• M6: 6,443,629 km (0.057 R)
• M7: 6,938,200 km (0.094 R)
• M8: 7,210,019 km (0.096 R)
• M9: 8,923,214 km (0.032 R)
• M10: 9,761,261 km (0.075 R)
• M11: 10,730,655 km (0.108 R)
• M12: 11,509,312 km (0.113 R)
• M13: 12,457,164 km (0.105 R)
• M14: 14,361,246 km (0.113 R)
• M15: 14,853,573 km (0.054 R)
• M16: 15,664,543 km (0.079 R)
• M17: 19,324,305 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812.7

Radius: 5.3

Gravity: 28.93 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 5.45 AU - 8.33 AU

Year: 11864 Days

Day: 15.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 92,813,422 km

• M1: 65,973 km (0.086 R)
• M2: 294,259 km (0.077 R)
• M3: 1,339,799 km (0.068 R)
• M4: 1,962,275 km (0.059 R)
• M5: 2,650,425 km (0.1 R)
• M6: 5,558,907 km (0.111 R)
• M7: 5,925,721 km (0.111 R)
• M8: 6,115,262 km (0.067 R)
• M9: 8,522,591 km (0.039 R)
• M10: 10,202,575 km (0.044 R)
• M11: 10,921,093 km (0.063 R)
• M12: 16,545,375 km (0.119 R)
• M13: 21,891,853 km (0.12 R)
• M14: 23,648,132 km (0.097 R)
• M15: 23,933,864 km (0.036 R)
• M16: 24,512,060 km (0.082 R)
• M17: 27,859,611 km (0.05 R)
• M18: 32,427,732 km (0.096 R)
• M19: 32,780,334 km (0.09 R)
• M20: 34,949,803 km (0.064 R)
• M21: 36,321,765 km (0.115 R)
• M22: 40,788,757 km (0.038 R)
• M23: 41,890,545 km (0.06 R)
• M24: 44,586,598 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 194.6

Radius: 3.8

Gravity: 13.48 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.6 AU - 8.26 AU

Year: 11968 Days

Day: 23.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 92,813,422 km

• M1: 47,273 km (0.101 R)
• M2: 224,696 km (0.053 R)
• M3: 1,043,744 km (0.115 R)
• M4: 2,770,253 km (0.101 R)
• M5: 5,150,804 km (0.116 R)
• M6: 6,310,038 km (0.096 R)
• M7: 7,148,684 km (0.073 R)
• M8: 8,832,557 km (0.095 R)
• M9: 17,469,740 km (0.041 R)
• M10: 21,297,351 km (0.083 R)
• M11: 24,969,381 km (0.114 R)
• M12: 25,392,144 km (0.054 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812.5

Radius: 7.2

Gravity: 15.67 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 6.52 AU - 9.02 AU

Year: 14208 Days

Day: 17.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 92,813,422 km

• M1: 89,609 km (0.117 R)
• M2: 1,019,809 km (0.067 R)
• M3: 2,651,173 km (0.078 R)
• M4: 3,801,132 km (0.112 R)
• M5: 5,470,495 km (0.067 R)
• M6: 11,578,127 km (0.114 R)
• M7: 13,375,546 km (0.104 R)
• M8: 16,331,600 km (0.056 R)
• M9: 16,719,656 km (0.111 R)
• M10: 18,416,395 km (0.111 R)
• M11: 19,177,549 km (0.106 R)
• M12: 29,897,733 km (0.039 R)
• M13: 35,397,549 km (0.052 R)
• M14: 37,504,934 km (0.091 R)
• M15: 38,863,732 km (0.118 R)
• M16: 40,820,771 km (0.099 R)
• M17: 41,105,605 km (0.116 R)
• M18: 44,027,252 km (0.1 R)
• M19: 53,108,142 km (0.109 R)
• M20: 55,515,171 km (0.105 R)
• M21: 57,456,653 km (0.113 R)
• M22: 61,661,550 km (0.033 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885

Radius: 5.7

Gravity: 27.24 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 10.29 AU - 11.57 AU

Year: 23705 Days

Day: 19.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 92,813,422 km

• M1: 71,508 km (0.11 R)
• M2: 252,072 km (0.097 R)
• M3: 1,127,220 km (0.098 R)
• M4: 1,352,963 km (0.086 R)
• M5: 1,700,928 km (0.116 R)
• M6: 2,063,403 km (0.117 R)
• M7: 2,286,304 km (0.112 R)
• M8: 3,526,471 km (0.111 R)
• M9: 4,150,294 km (0.078 R)
• M10: 4,655,187 km (0.052 R)
• M11: 4,845,176 km (0.11 R)
• M12: 6,941,940 km (0.061 R)
• M13: 8,692,235 km (0.074 R)
• M14: 13,644,971 km (0.048 R)
• M15: 16,798,195 km (0.096 R)
• M16: 17,610,213 km (0.106 R)
• M17: 20,103,261 km (0.082 R)
• M18: 20,304,321 km (0.077 R)
• M19: 20,608,303 km (0.073 R)
• M20: 24,957,114 km (0.057 R)
• M21: 25,305,976 km (0.106 R)
• M22: 29,103,667 km (0.098 R)
• M23: 38,419,276 km (0.102 R)
• M24: 38,884,526 km (0.092 R)
• M25: 39,196,587 km (0.084 R)
• M26: 42,576,152 km (0.087 R)
• M27: 44,421,442 km (0.096 R)
• M28: 46,319,540 km (0.055 R)
• M29: 51,581,196 km (0.054 R)
• M30: 51,958,183 km (0.066 R)
• M31: 60,931,811 km (0.114 R)
• M32: 64,138,142 km (0.109 R)
• M33: 66,114,929 km (0.11 R)
• M34: 73,472,301 km (0.067 R)
• M35: 79,837,392 km (0.096 R)
• M36: 86,826,155 km (0.05 R)
• M37: 91,704,991 km (0.068 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: 153 - 19,922 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit