🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.5

Radius: 14.3

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.62 AU - 0.84 AU

Year: 423 Days

Day: 10.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 16,724,261 km

• M1: 177,872 km (0.07 R)
• M2: 665,561 km (0.03 R)
• M3: 1,278,015 km (0.025 R)
• M4: 1,874,910 km (0.09 R)
• M5: 2,485,569 km (0.064 R)
• M6: 3,022,027 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965

Radius: 11.5

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.94 AU - 1.08 AU

Year: 688 Days

Day: 6.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 16,724,261 km

• M1: 143,016 km (0.116 R)
• M2: 511,026 km (0.109 R)
• M3: 920,476 km (0.106 R)
• M4: 1,363,435 km (0.097 R)
• M5: 2,650,725 km (0.075 R)
• M6: 3,431,027 km (0.107 R)
• M7: 3,965,989 km (0.093 R)
• M8: 4,589,513 km (0.097 R)
• M9: 5,502,509 km (0.09 R)
• M10: 5,892,211 km (0.102 R)
• M11: 6,683,734 km (0.1 R)
• M12: 7,497,546 km (0.108 R)
• M13: 8,100,725 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.4

Radius: 14.5

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.03 AU - 1.35 AU

Year: 880 Days

Day: 6.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 16,724,261 km

• M1: 181,163 km (0.094 R)
• M2: 772,823 km (0.092 R)
• M3: 1,328,878 km (0.099 R)
• M4: 2,586,398 km (0.077 R)
• M5: 3,361,165 km (0.053 R)
• M6: 3,847,657 km (0.11 R)
• M7: 4,477,315 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.7

Radius: 13.9

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.67 AU - 2.73 AU

Year: 2213 Days

Day: 9.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 16,724,261 km

• M1: 172,935 km (0.092 R)
• M2: 946,506 km (0.08 R)
• M3: 1,445,714 km (0.115 R)
• M4: 1,921,435 km (0.09 R)
• M5: 2,393,865 km (0.115 R)
• M6: 3,403,651 km (0.066 R)
• M7: 3,930,086 km (0.117 R)
• M8: 4,616,590 km (0.106 R)
• M9: 5,311,024 km (0.038 R)
• M10: 5,971,947 km (0.1 R)
• M11: 7,488,869 km (0.104 R)
• M12: 8,385,559 km (0.111 R)
• M13: 9,352,859 km (0.109 R)
• M14: 9,989,847 km (0.062 R)
• M15: 11,272,050 km (0.112 R)
• M16: 12,075,989 km (0.032 R)
• M17: 13,979,472 km (0.092 R)
• M18: 15,146,336 km (0.074 R)
• M19: 17,094,848 km (0.04 R)
• M20: 18,265,152 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.5

Radius: 14.9

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.63 AU - 3.73 AU

Year: 4788 Days

Day: 10.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 16,724,261 km

• M1: 185,651 km (0.11 R)
• M2: 719,865 km (0.074 R)
• M3: 1,281,605 km (0.102 R)
• M4: 1,940,284 km (0.103 R)
• M5: 2,442,933 km (0.115 R)
• M6: 3,436,113 km (0.11 R)
• M7: 4,078,188 km (0.097 R)
• M8: 4,684,957 km (0.05 R)
• M9: 5,302,048 km (0.082 R)
• M10: 5,919,588 km (0.044 R)
• M11: 8,468,735 km (0.111 R)
• M12: 10,932,164 km (0.109 R)
• M13: 11,426,884 km (0.081 R)
• M14: 12,066,265 km (0.11 R)
• M15: 13,936,538 km (0.112 R)
• M16: 15,888,790 km (0.061 R)
• M17: 17,232,478 km (0.117 R)
• M18: 18,017,418 km (0.079 R)
• M19: 18,826,144 km (0.114 R)
• M20: 19,901,304 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.4

Radius: 9.2

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 4.09 AU - 4.53 AU

Year: 6069 Days

Day: 10.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 135.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 16,724,261 km

• M1: 116,986 km (0.059 R)
• M2: 531,671 km (0.099 R)
• M3: 991,235 km (0.086 R)
• M4: 1,389,315 km (0.107 R)
• M5: 1,809,985 km (0.064 R)
• M6: 3,604,112 km (0.091 R)
• M7: 3,920,511 km (0.09 R)
• M8: 5,522,555 km (0.027 R)
• M9: 5,913,753 km (0.043 R)
• M10: 7,740,493 km (0.085 R)
• M11: 9,612,860 km (0.072 R)
• M12: 10,091,274 km (0.114 R)
• M13: 10,585,545 km (0.091 R)
• M14: 11,143,097 km (0.12 R)
• M15: 12,065,667 km (0.114 R)
• M16: 12,622,620 km (0.104 R)
• M17: 15,727,823 km (0.068 R)
• M18: 16,392,486 km (0.105 R)
• M19: 18,632,564 km (0.089 R)
• M20: 20,140,810 km (0.079 R)
• M21: 21,141,919 km (0.072 R)
• M22: 21,654,741 km (0.047 R)
• M23: 22,553,225 km (0.036 R)
• M24: 25,070,359 km (0.039 R)
• M25: 28,295,988 km (0.106 R)
• M26: 30,099,989 km (0.068 R)
• M27: 31,692,608 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.4

Radius: 11.2

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.7 AU - 4.98 AU

Year: 7222 Days

Day: 9 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 16,724,261 km

• M1: 140,323 km (0.111 R)
• M2: 1,322,296 km (0.083 R)
• M3: 1,722,470 km (0.101 R)
• M4: 2,255,038 km (0.105 R)
• M5: 3,236,999 km (0.091 R)
• M6: 3,775,551 km (0.072 R)
• M7: 5,791,233 km (0.066 R)
• M8: 6,232,846 km (0.096 R)
• M9: 7,937,962 km (0.12 R)
• M10: 12,027,220 km (0.099 R)
• M11: 13,973,040 km (0.047 R)
• M12: 14,645,332 km (0.12 R)
• M13: 15,596,476 km (0.101 R)
• M14: 16,386,801 km (0.119 R)
• M15: 17,134,491 km (0.061 R)
• M16: 20,123,008 km (0.052 R)
• M17: 22,935,598 km (0.101 R)
• M18: 29,328,513 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.1

Radius: 14.6

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.37 AU - 6.31 AU

Year: 8370 Days

Day: 13.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 16,724,261 km

• M1: 237,561 km (0.098 R)
• M2: 837,299 km (0.099 R)
• M3: 1,344,137 km (0.091 R)
• M4: 1,864,289 km (0.088 R)
• M5: 2,394,763 km (0.1 R)
• M6: 3,371,786 km (0.12 R)
• M7: 3,915,575 km (0.088 R)
• M8: 5,002,403 km (0.063 R)
• M9: 5,844,041 km (0.036 R)
• M10: 8,469,633 km (0.113 R)
• M11: 9,210,741 km (0.094 R)
• M12: 10,525,557 km (0.12 R)
• M13: 16,056,788 km (0.102 R)
• M14: 17,537,957 km (0.089 R)
• M15: 18,598,905 km (0.108 R)
• M16: 20,231,766 km (0.05 R)
• M17: 21,877,791 km (0.112 R)
• M18: 25,613,848 km (0.12 R)
• M19: 26,336,256 km (0.104 R)
• M20: 28,584,862 km (0.107 R)
• M21: 31,675,404 km (0.086 R)
• M22: 33,676,126 km (0.081 R)
• M23: 35,203,221 km (0.101 R)
• M24: 38,278,355 km (0.076 R)
• M25: 39,222,916 km (0.07 R)
• M26: 40,182,886 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.2

Radius: 5.1

Gravity: 13.16 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.59 AU - 7.13 AU

Year: 9621 Days

Day: 17.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 16,724,261 km

• M1: 71,059 km (0.081 R)
• M2: 275,709 km (0.116 R)
• M3: 473,776 km (0.064 R)
• M4: 744,249 km (0.118 R)
• M5: 1,102,985 km (0.085 R)
• M6: 1,321,996 km (0.116 R)
• M7: 1,691,054 km (0.097 R)
• M8: 2,030,492 km (0.04 R)
• M9: 2,727,319 km (0.063 R)
• M10: 3,151,578 km (0.052 R)
• M11: 5,147,214 km (0.029 R)
• M12: 5,955,192 km (0.09 R)
• M13: 8,545,479 km (0.103 R)
• M14: 8,839,888 km (0.076 R)
• M15: 9,184,561 km (0.099 R)
• M16: 9,809,282 km (0.117 R)
• M17: 11,142,947 km (0.119 R)
• M18: 11,750,015 km (0.066 R)
• M19: 12,593,149 km (0.084 R)
• M20: 17,691,145 km (0.061 R)
• M21: 18,938,342 km (0.104 R)
• M22: 20,993,069 km (0.073 R)
• M23: 22,231,440 km (0.034 R)
• M24: 23,029,695 km (0.092 R)
• M25: 24,012,702 km (0.095 R)
• M26: 24,179,205 km (0.03 R)
• M27: 26,503,208 km (0.067 R)
• M28: 27,764,916 km (0.041 R)
• M29: 31,093,319 km (0.117 R)
• M30: 35,319,160 km (0.082 R)
• M31: 35,859,358 km (0.061 R)
• M32: 36,514,746 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 21.9

Radius: 7.8

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 6.52 AU - 6.7 AU

Year: 11526 Days

Day: 24.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 16,724,261 km

• M1: 97,239 km (0.037 R)
• M2: 1,251,386 km (0.088 R)
• M3: 3,815,643 km (0.116 R)
• M4: 4,175,875 km (0.093 R)
• M5: 4,537,902 km (0.079 R)
• M6: 4,812,414 km (0.083 R)
• M7: 8,357,285 km (0.047 R)
• M8: 8,900,774 km (0.103 R)
• M9: 10,022,609 km (0.045 R)
• M10: 14,946,024 km (0.095 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 18,546 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit