🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.8

Radius: 12.8

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.54 AU - 0.6 AU

Year: 297 Days

Day: 7.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,459,028 km

• M1: 160,219 km (0.094 R)
• M2: 558,598 km (0.118 R)
• M3: 1,203,066 km (0.027 R)
• M4: 1,622,539 km (0.076 R)
• M5: 2,046,648 km (0.1 R)
• M6: 2,596,271 km (0.093 R)
• M7: 3,096,377 km (0.099 R)
• M8: 3,563,571 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626

Radius: 14.6

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.46 AU - 0.68 AU

Year: 297 Days

Day: 5.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,459,028 km

• M1: 181,612 km (0.116 R)
• M2: 685,158 km (0.042 R)
• M3: 1,177,036 km (0.036 R)
• M4: 1,694,046 km (0.114 R)
• M5: 2,220,481 km (0.098 R)
• M6: 2,970,864 km (0.083 R)
• M7: 3,503,433 km (0.115 R)
• M8: 4,099,730 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.8

Radius: 12.4

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.51 AU - 0.69 AU

Year: 321 Days

Day: 14.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 86,459,028 km

• M1: 154,385 km (0.113 R)
• M2: 594,652 km (0.092 R)
• M3: 1,237,773 km (0.086 R)
• M4: 1,640,640 km (0.044 R)
• M5: 2,255,038 km (0.059 R)
• M6: 2,660,748 km (0.1 R)
• M7: 3,057,332 km (0.062 R)
• M8: 3,525,723 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.9

Radius: 13

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.59 AU - 0.65 AU

Year: 337 Days

Day: 12.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 166.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 86,459,028 km

• M1: 162,762 km (0.106 R)
• M2: 668,104 km (0.032 R)
• M3: 1,425,369 km (0.065 R)
• M4: 2,085,095 km (0.032 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.9

Radius: 14.2

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.86 AU - 1.02 AU

Year: 629 Days

Day: 13.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 86,459,028 km

• M1: 176,675 km (0.112 R)
• M2: 1,023,848 km (0.092 R)
• M3: 1,718,281 km (0.087 R)
• M4: 2,166,327 km (0.057 R)
• M5: 2,671,668 km (0.108 R)
• M6: 3,157,113 km (0.113 R)
• M7: 3,620,119 km (0.117 R)
• M8: 4,931,793 km (0.044 R)
• M9: 6,007,402 km (0.025 R)
• M10: 6,580,960 km (0.094 R)
• M11: 7,299,778 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.8

Radius: 12.8

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.96 AU - 1.56 AU

Year: 976 Days

Day: 11.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,459,028 km

• M1: 159,172 km (0.045 R)
• M2: 608,714 km (0.072 R)
• M3: 1,017,864 km (0.089 R)
• M4: 1,435,990 km (0.084 R)
• M5: 1,840,652 km (0.085 R)
• M6: 2,343,002 km (0.112 R)
• M7: 2,960,542 km (0.086 R)
• M8: 3,520,187 km (0.111 R)
• M9: 4,195,472 km (0.104 R)
• M10: 4,605,071 km (0.079 R)
• M11: 5,598,102 km (0.045 R)
• M12: 6,397,104 km (0.115 R)
• M13: 7,563,968 km (0.06 R)
• M14: 8,198,263 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.9

Radius: 13

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.31 AU - 3.61 AU

Year: 4442 Days

Day: 7.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 86,459,028 km

• M1: 161,715 km (0.12 R)
• M2: 684,261 km (0.072 R)
• M3: 1,287,290 km (0.09 R)
• M4: 2,069,537 km (0.101 R)
• M5: 3,638,968 km (0.105 R)
• M6: 4,816,752 km (0.101 R)
• M7: 6,867,589 km (0.067 R)
• M8: 7,788,963 km (0.101 R)
• M9: 9,028,830 km (0.113 R)
• M10: 9,624,529 km (0.114 R)
• M11: 13,857,251 km (0.112 R)
• M12: 14,603,146 km (0.053 R)
• M13: 17,641,628 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 354.1

Radius: 4.8

Gravity: 15.37 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 4.83 AU - 7.21 AU

Year: 10195 Days

Day: 22.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 86,459,028 km

• M1: 59,839 km (0.067 R)
• M2: 222,003 km (0.105 R)
• M3: 414,835 km (0.082 R)
• M4: 604,375 km (0.038 R)
• M5: 941,569 km (0.118 R)
• M6: 1,218,774 km (0.11 R)
• M7: 1,905,428 km (0.029 R)
• M8: 3,067,654 km (0.1 R)
• M9: 3,419,508 km (0.063 R)
• M10: 4,022,537 km (0.109 R)
• M11: 4,389,650 km (0.099 R)
• M12: 4,553,759 km (0.094 R)
• M13: 5,819,656 km (0.057 R)
• M14: 6,254,837 km (0.119 R)
• M15: 6,533,238 km (0.116 R)
• M16: 6,783,515 km (0.043 R)
• M17: 7,040,225 km (0.113 R)
• M18: 7,418,110 km (0.101 R)
• M19: 7,969,827 km (0.116 R)
• M20: 9,022,248 km (0.101 R)
• M21: 15,258,235 km (0.082 R)
• M22: 16,474,466 km (0.103 R)
• M23: 17,274,964 km (0.069 R)
• M24: 19,170,518 km (0.059 R)
• M25: 24,894,432 km (0.07 R)
• M26: 26,665,521 km (0.073 R)
• M27: 31,255,633 km (0.117 R)
• M28: 32,895,375 km (0.025 R)
• M29: 33,630,499 km (0.043 R)
• M30: 38,619,588 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 797.4

Radius: 7.3

Gravity: 14.96 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 7.76 AU - 12.62 AU

Year: 22453 Days

Day: 16.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 86,459,028 km

• M1: 90,806 km (0.033 R)
• M2: 1,169,257 km (0.081 R)
• M3: 2,399,550 km (0.111 R)
• M4: 3,825,666 km (0.098 R)
• M5: 6,627,784 km (0.074 R)
• M6: 7,053,988 km (0.112 R)
• M7: 7,804,671 km (0.117 R)
• M8: 8,497,458 km (0.091 R)
• M9: 9,288,681 km (0.103 R)
• M10: 12,234,862 km (0.068 R)
• M11: 12,949,042 km (0.089 R)
• M12: 15,016,036 km (0.035 R)
• M13: 15,585,705 km (0.036 R)
• M14: 20,377,324 km (0.116 R)
• M15: 23,919,353 km (0.098 R)
• M16: 36,091,833 km (0.068 R)
• M17: 36,966,382 km (0.043 R)
• M18: 38,304,535 km (0.077 R)
• M19: 41,870,200 km (0.11 R)
• M20: 44,643,745 km (0.098 R)
• M21: 45,145,645 km (0.096 R)
• M22: 46,502,349 km (0.066 R)
• M23: 47,190,648 km (0.086 R)
• M24: 47,537,416 km (0.09 R)
• M25: 49,296,687 km (0.095 R)
• M26: 50,553,758 km (0.098 R)
• M27: 52,571,983 km (0.108 R)
• M28: 63,053,259 km (0.1 R)
• M29: 73,907,182 km (0.09 R)
• M30: 75,316,095 km (0.034 R)
• M31: 78,430,124 km (0.087 R)
• M32: 80,141,973 km (0.083 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: 526 - 10,681 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit