🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.3

Radius: 10.6

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.98 AU - 1.26 AU

Year: 790 Days

Day: 8.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,256,315 km

• M1: 131,945 km (0.116 R)
• M2: 492,027 km (0.112 R)
• M3: 1,457,233 km (0.102 R)
• M4: 1,839,156 km (0.094 R)
• M5: 2,845,052 km (0.104 R)
• M6: 3,586,011 km (0.071 R)
• M7: 3,957,911 km (0.096 R)
• M8: 4,323,977 km (0.077 R)
• M9: 5,071,966 km (0.047 R)
• M10: 5,942,925 km (0.076 R)
• M11: 7,218,546 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922

Radius: 12.2

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.7 AU - 1.78 AU

Year: 1531 Days

Day: 9.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,256,315 km

• M1: 155,133 km (0.079 R)
• M2: 540,497 km (0.084 R)
• M3: 1,223,262 km (0.073 R)
• M4: 2,742,428 km (0.068 R)
• M5: 4,782,794 km (0.112 R)
• M6: 5,360,241 km (0.111 R)
• M7: 6,425,827 km (0.097 R)
• M8: 7,798,537 km (0.072 R)
• M9: 8,478,160 km (0.03 R)
• M10: 10,507,904 km (0.078 R)
• M11: 12,524,035 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.1

Radius: 11

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.77 AU - 2.37 AU

Year: 1986 Days

Day: 8.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,256,315 km

• M1: 137,480 km (0.11 R)
• M2: 530,175 km (0.074 R)
• M3: 903,422 km (0.117 R)
• M4: 1,314,516 km (0.112 R)
• M5: 1,763,011 km (0.081 R)
• M6: 2,488,411 km (0.038 R)
• M7: 3,489,520 km (0.104 R)
• M8: 5,141,380 km (0.107 R)
• M9: 5,986,009 km (0.061 R)
• M10: 9,010,729 km (0.103 R)
• M11: 11,770,510 km (0.054 R)
• M12: 12,176,668 km (0.048 R)
• M13: 14,581,155 km (0.094 R)
• M14: 15,674,715 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.8

Radius: 8.5

Gravity: 11.78 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.33 AU - 2.49 AU

Year: 2495 Days

Day: 9.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 67,256,315 km

• M1: 105,766 km (0.108 R)
• M2: 434,731 km (0.078 R)
• M3: 728,691 km (0.116 R)
• M4: 1,118,094 km (0.061 R)
• M5: 2,201,333 km (0.115 R)
• M6: 2,737,491 km (0.113 R)
• M7: 3,028,459 km (0.087 R)
• M8: 4,193,528 km (0.108 R)
• M9: 5,112,956 km (0.103 R)
• M10: 5,710,151 km (0.119 R)
• M11: 7,013,896 km (0.113 R)
• M12: 7,284,519 km (0.101 R)
• M13: 7,687,835 km (0.072 R)
• M14: 8,505,387 km (0.103 R)
• M15: 8,987,840 km (0.084 R)
• M16: 10,584,648 km (0.113 R)
• M17: 11,143,097 km (0.064 R)
• M18: 11,720,993 km (0.079 R)
• M19: 12,060,132 km (0.114 R)
• M20: 13,253,175 km (0.095 R)
• M21: 14,234,237 km (0.095 R)
• M22: 14,766,955 km (0.062 R)
• M23: 16,870,750 km (0.079 R)
• M24: 18,247,200 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.1

Radius: 14.3

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.92 AU - 5.92 AU

Year: 7277 Days

Day: 9.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,256,315 km

• M1: 177,872 km (0.082 R)
• M2: 700,716 km (0.039 R)
• M3: 1,437,037 km (0.065 R)
• M4: 2,185,475 km (0.104 R)
• M5: 2,995,249 km (0.113 R)
• M6: 3,751,915 km (0.112 R)
• M7: 4,522,643 km (0.05 R)
• M8: 5,274,223 km (0.1 R)
• M9: 6,141,591 km (0.078 R)
• M10: 7,214,806 km (0.119 R)
• M11: 8,663,811 km (0.084 R)
• M12: 9,143,272 km (0.088 R)
• M13: 10,155,601 km (0.045 R)
• M14: 12,403,159 km (0.057 R)
• M15: 13,240,309 km (0.115 R)
• M16: 14,174,398 km (0.115 R)
• M17: 15,340,214 km (0.114 R)
• M18: 16,239,447 km (0.108 R)
• M19: 18,284,600 km (0.078 R)
• M20: 18,857,859 km (0.05 R)
• M21: 19,443,086 km (0.115 R)
• M22: 19,965,033 km (0.06 R)
• M23: 20,959,260 km (0.03 R)
• M24: 21,986,399 km (0.11 R)
• M25: 25,712,732 km (0.105 R)
• M26: 28,866,405 km (0.096 R)
• M27: 29,841,035 km (0.111 R)
• M28: 31,343,895 km (0.11 R)
• M29: 32,165,786 km (0.113 R)
• M30: 39,267,197 km (0.108 R)

Asteroid Belt

Center: 6.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315

Radius: 3.9

Gravity: 20.71 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.31 AU - 8.19 AU

Year: 13018 Days

Day: 23.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 67,256,315 km

• M1: 48,619 km (0.065 R)
• M2: 212,579 km (0.075 R)
• M3: 505,042 km (0.115 R)
• M4: 680,670 km (0.107 R)
• M5: 1,361,191 km (0.089 R)
• M6: 1,660,836 km (0.1 R)
• M7: 1,970,204 km (0.081 R)
• M8: 2,702,635 km (0.101 R)
• M9: 3,430,878 km (0.11 R)
• M10: 3,576,137 km (0.084 R)
• M11: 4,010,270 km (0.1 R)
• M12: 5,044,141 km (0.109 R)
• M13: 6,909,776 km (0.048 R)
• M14: 7,063,862 km (0.054 R)
• M15: 8,080,080 km (0.036 R)
• M16: 8,689,841 km (0.112 R)
• M17: 8,869,508 km (0.082 R)
• M18: 9,143,721 km (0.074 R)
• M19: 9,423,619 km (0.085 R)
• M20: 9,565,587 km (0.082 R)
• M21: 10,702,680 km (0.036 R)
• M22: 12,204,643 km (0.106 R)
• M23: 15,818,329 km (0.116 R)
• M24: 17,615,000 km (0.072 R)
• M25: 24,253,555 km (0.114 R)
• M26: 24,520,437 km (0.095 R)
• M27: 25,333,053 km (0.038 R)
• M28: 26,538,363 km (0.104 R)
• M29: 29,870,506 km (0.118 R)
• M30: 32,491,162 km (0.091 R)
• M31: 36,528,060 km (0.076 R)
• M32: 43,321,000 km (0.111 R)
• M33: 43,845,640 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335

Radius: 6.2

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.83 AU - 11.83 AU

Year: 23767 Days

Day: 22.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,256,315 km

• M1: 77,342 km (0.063 R)
• M2: 523,443 km (0.113 R)
• M3: 862,881 km (0.052 R)
• M4: 3,452,420 km (0.099 R)
• M5: 4,248,879 km (0.056 R)
• M6: 6,446,920 km (0.078 R)
• M7: 6,875,219 km (0.107 R)
• M8: 7,693,818 km (0.108 R)
• M9: 8,126,755 km (0.05 R)
• M10: 10,078,558 km (0.087 R)
• M11: 13,049,422 km (0.113 R)
• M12: 22,146,020 km (0.072 R)
• M13: 24,325,063 km (0.092 R)
• M14: 29,219,307 km (0.114 R)
• M15: 32,574,188 km (0.12 R)
• M16: 32,823,119 km (0.062 R)
• M17: 37,662,311 km (0.114 R)
• M18: 39,610,823 km (0.112 R)
• M19: 43,707,411 km (0.063 R)
• M20: 53,418,856 km (0.03 R)
• M21: 55,875,104 km (0.097 R)
• M22: 58,773,114 km (0.096 R)
• M23: 59,327,374 km (0.075 R)
• M24: 65,261,024 km (0.099 R)
• M25: 66,253,606 km (0.087 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 13,745 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit