🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41.4

Radius: 13.3

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.75 AU - 0.77 AU

Year: 449 Days

Day: 7 Hours

Environment

Temp: -154 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 74,252,289 km

• M1: 179,667 km (0.063 R)
• M2: 626,665 km (0.088 R)
• M3: 1,336,657 km (0.111 R)
• M4: 2,086,142 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.9

Radius: 12.5

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.63 AU - 2.91 AU

Year: 3127 Days

Day: 7.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,252,289 km

• M1: 157,676 km (0.12 R)
• M2: 551,567 km (0.115 R)
• M3: 1,980,676 km (0.104 R)
• M4: 2,529,251 km (0.057 R)
• M5: 3,324,364 km (0.11 R)
• M6: 3,750,568 km (0.083 R)
• M7: 4,620,629 km (0.044 R)
• M8: 6,143,835 km (0.11 R)
• M9: 7,877,824 km (0.106 R)
• M10: 8,570,013 km (0.099 R)
• M11: 9,078,496 km (0.084 R)
• M12: 10,767,157 km (0.105 R)
• M13: 12,334,644 km (0.109 R)
• M14: 13,461,116 km (0.076 R)
• M15: 13,950,301 km (0.045 R)
• M16: 15,016,185 km (0.104 R)
• M17: 15,436,256 km (0.105 R)
• M18: 15,972,265 km (0.107 R)
• M19: 17,539,902 km (0.111 R)
• M20: 20,719,455 km (0.04 R)
• M21: 21,637,088 km (0.067 R)
• M22: 22,445,066 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.1

Radius: 8.1

Gravity: 14.62 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.5 AU - 3.54 AU

Year: 3560 Days

Day: 6 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,252,289 km

• M1: 126,709 km (0.044 R)
• M2: 378,782 km (0.057 R)
• M3: 640,728 km (0.107 R)
• M4: 1,251,237 km (0.102 R)
• M5: 1,584,690 km (0.104 R)
• M6: 2,018,524 km (0.117 R)
• M7: 3,276,941 km (0.117 R)
• M8: 4,050,512 km (0.096 R)
• M9: 6,221,327 km (0.089 R)
• M10: 6,683,135 km (0.097 R)
• M11: 7,069,098 km (0.102 R)
• M12: 8,537,850 km (0.073 R)
• M13: 9,225,701 km (0.062 R)
• M14: 12,398,522 km (0.12 R)
• M15: 12,687,844 km (0.096 R)
• M16: 14,202,822 km (0.085 R)
• M17: 14,573,077 km (0.117 R)
• M18: 15,277,533 km (0.11 R)
• M19: 19,017,031 km (0.109 R)
• M20: 19,273,142 km (0.103 R)
• M21: 20,121,811 km (0.102 R)
• M22: 22,817,116 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.6

Radius: 9.3

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.19 AU - 4.63 AU

Year: 5244 Days

Day: 9.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,252,289 km

• M1: 115,639 km (0.096 R)
• M2: 854,204 km (0.083 R)
• M3: 1,379,442 km (0.101 R)
• M4: 1,692,251 km (0.116 R)
• M5: 2,025,406 km (0.046 R)
• M6: 2,386,984 km (0.062 R)
• M7: 2,930,772 km (0.113 R)
• M8: 3,223,086 km (0.07 R)
• M9: 4,990,435 km (0.083 R)
• M10: 7,032,297 km (0.056 R)
• M11: 8,956,724 km (0.073 R)
• M12: 9,656,543 km (0.076 R)
• M13: 9,978,926 km (0.112 R)
• M14: 10,476,189 km (0.055 R)
• M15: 12,160,362 km (0.081 R)
• M16: 13,115,993 km (0.101 R)
• M17: 15,175,956 km (0.066 R)
• M18: 17,861,387 km (0.082 R)
• M19: 20,982,747 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.4

Radius: 8.2

Gravity: 10.48 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.52 AU - 6.64 AU

Year: 8940 Days

Day: 6 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,252,289 km

• M1: 102,026 km (0.109 R)
• M2: 471,233 km (0.108 R)
• M3: 1,003,503 km (0.1 R)
• M4: 1,299,407 km (0.12 R)
• M5: 1,569,880 km (0.047 R)
• M6: 1,847,235 km (0.119 R)
• M7: 2,140,147 km (0.119 R)
• M8: 2,698,446 km (0.117 R)
• M9: 3,166,837 km (0.12 R)
• M10: 4,606,118 km (0.108 R)
• M11: 6,847,095 km (0.103 R)
• M12: 7,433,817 km (0.094 R)
• M13: 8,311,059 km (0.114 R)
• M14: 14,063,696 km (0.058 R)
• M15: 18,550,884 km (0.095 R)
• M16: 26,464,163 km (0.077 R)
• M17: 33,196,515 km (0.049 R)

Asteroid Belt

Center: 6.01 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.5

Radius: 7.2

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.05 AU - 7.81 AU

Year: 11059 Days

Day: 23.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 74,252,289 km

• M1: 89,609 km (0.084 R)
• M2: 350,358 km (0.058 R)
• M3: 622,626 km (0.11 R)
• M4: 1,502,561 km (0.08 R)
• M5: 1,817,465 km (0.09 R)
• M6: 2,160,193 km (0.11 R)
• M7: 2,492,600 km (0.084 R)
• M8: 2,916,859 km (0.108 R)
• M9: 3,933,377 km (0.11 R)
• M10: 4,405,059 km (0.081 R)
• M11: 5,313,268 km (0.048 R)
• M12: 7,569,054 km (0.118 R)
• M13: 8,783,041 km (0.091 R)
• M14: 10,257,926 km (0.043 R)
• M15: 15,968,825 km (0.064 R)
• M16: 16,972,776 km (0.102 R)
• M17: 18,488,651 km (0.092 R)
• M18: 21,262,046 km (0.039 R)
• M19: 33,592,501 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.8

Radius: 4.7

Gravity: 33.35 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 8.49 AU - 8.61 AU

Year: 16957 Days

Day: 16.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 74,252,289 km

• M1: 83,476 km (0.114 R)
• M2: 289,322 km (0.113 R)
• M3: 713,881 km (0.114 R)
• M4: 1,035,217 km (0.095 R)
• M5: 1,242,859 km (0.114 R)
• M6: 1,590,225 km (0.103 R)
• M7: 2,198,191 km (0.078 R)
• M8: 2,366,489 km (0.043 R)
• M9: 3,153,972 km (0.112 R)
• M10: 3,314,042 km (0.05 R)
• M11: 3,857,082 km (0.079 R)
• M12: 4,040,489 km (0.11 R)
• M13: 4,457,568 km (0.113 R)
• M14: 4,625,417 km (0.099 R)
• M15: 5,339,746 km (0.084 R)
• M16: 5,921,682 km (0.062 R)
• M17: 7,679,307 km (0.096 R)
• M18: 12,378,326 km (0.115 R)
• M19: 12,710,583 km (0.117 R)
• M20: 14,028,092 km (0.109 R)
• M21: 15,510,307 km (0.083 R)
• M22: 18,179,283 km (0.067 R)
• M23: 23,787,557 km (0.114 R)
• M24: 24,094,981 km (0.059 R)
• M25: 24,927,194 km (0.085 R)
• M26: 27,991,557 km (0.114 R)
• M27: 28,219,544 km (0.058 R)
• M28: 30,810,280 km (0.092 R)
• M29: 33,044,374 km (0.073 R)
• M30: 35,251,392 km (0.069 R)
• M31: 35,650,818 km (0.098 R)
• M32: 36,458,647 km (0.107 R)
• M33: 41,268,368 km (0.058 R)
• M34: 44,131,970 km (0.116 R)
• M35: 48,918,653 km (0.102 R)
• M36: 51,778,815 km (0.07 R)
• M37: 52,814,481 km (0.027 R)
• M38: 55,643,227 km (0.068 R)
• M39: 56,547,546 km (0.101 R)
• M40: 58,757,705 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579.2

Radius: 5.3

Gravity: 20.62 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 7.97 AU - 11.73 AU

Year: 20967 Days

Day: 20.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 74,252,289 km

• M1: 65,973 km (0.106 R)
• M2: 240,404 km (0.091 R)
• M3: 520,601 km (0.081 R)
• M4: 803,191 km (0.112 R)
• M5: 1,078,750 km (0.092 R)
• M6: 1,765,255 km (0.105 R)
• M7: 2,496,788 km (0.058 R)
• M8: 3,138,863 km (0.105 R)
• M9: 3,413,075 km (0.116 R)
• M10: 3,793,353 km (0.101 R)
• M11: 4,957,673 km (0.109 R)
• M12: 6,214,595 km (0.09 R)
• M13: 6,428,520 km (0.068 R)
• M14: 6,871,329 km (0.116 R)
• M15: 8,529,472 km (0.093 R)
• M16: 9,009,382 km (0.059 R)
• M17: 9,339,245 km (0.12 R)
• M18: 10,678,745 km (0.061 R)
• M19: 10,862,301 km (0.092 R)
• M20: 12,009,119 km (0.072 R)
• M21: 15,147,832 km (0.034 R)
• M22: 17,918,235 km (0.078 R)
• M23: 21,784,292 km (0.117 R)
• M24: 22,378,495 km (0.084 R)
• M25: 22,780,465 km (0.094 R)
• M26: 28,453,814 km (0.063 R)
• M27: 37,623,565 km (0.12 R)
• M28: 37,907,053 km (0.104 R)
• M29: 38,910,406 km (0.111 R)
• M30: 43,100,942 km (0.098 R)
• M31: 44,193,754 km (0.097 R)
• M32: 47,252,582 km (0.054 R)
• M33: 47,582,595 km (0.117 R)
• M34: 48,080,456 km (0.115 R)
• M35: 54,872,050 km (0.07 R)
• M36: 55,054,111 km (0.11 R)
• M37: 63,070,761 km (0.109 R)
• M38: 64,884,187 km (0.087 R)
• M39: 66,318,531 km (0.082 R)
• M40: 67,983,406 km (0.113 R)
• M41: 68,614,859 km (0.12 R)
• M42: 71,613,548 km (0.067 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 12,532 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit