🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.5

Radius: 10.4

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.49 AU - 0.75 AU

Year: 326 Days

Day: 12.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,372,746 km

• M1: 129,402 km (0.109 R)
• M2: 467,942 km (0.052 R)
• M3: 917,334 km (0.029 R)
• M4: 1,458,729 km (0.119 R)
• M5: 2,059,215 km (0.106 R)
• M6: 2,426,477 km (0.103 R)
• M7: 2,769,206 km (0.11 R)
• M8: 3,186,883 km (0.112 R)
• M9: 3,837,634 km (0.042 R)
• M10: 4,854,750 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.2

Radius: 8.9

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.77 AU - 0.83 AU

Year: 477 Days

Day: 8.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,372,746 km

• M1: 111,899 km (0.075 R)
• M2: 392,844 km (0.081 R)
• M3: 1,233,584 km (0.06 R)
• M4: 1,591,572 km (0.117 R)
• M5: 2,344,498 km (0.047 R)
• M6: 3,613,836 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.1

Radius: 9.3

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.64 AU - 1 AU

Year: 495 Days

Day: 13.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,372,746 km

• M1: 115,789 km (0.1 R)
• M2: 475,422 km (0.073 R)
• M3: 882,179 km (0.087 R)
• M4: 1,688,511 km (0.088 R)
• M5: 1,993,541 km (0.098 R)
• M6: 2,688,573 km (0.108 R)
• M7: 3,087,251 km (0.081 R)
• M8: 3,434,318 km (0.06 R)
• M9: 4,156,128 km (0.118 R)
• M10: 4,526,084 km (0.118 R)
• M11: 4,817,799 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.4

Radius: 13.9

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.82 AU - 1.08 AU

Year: 617 Days

Day: 11 Hours

Environment

Temp: -167 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,372,746 km

• M1: 172,935 km (0.094 R)
• M2: 729,589 km (0.095 R)
• M3: 1,185,563 km (0.032 R)
• M4: 1,652,009 km (0.106 R)
• M5: 2,215,395 km (0.116 R)
• M6: 2,940,197 km (0.097 R)
• M7: 4,365,864 km (0.116 R)
• M8: 5,080,942 km (0.063 R)
• M9: 5,546,640 km (0.046 R)
• M10: 6,022,212 km (0.089 R)
• M11: 6,665,034 km (0.071 R)
• M12: 7,331,792 km (0.037 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.4

Radius: 8.9

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.55 AU - 1.93 AU

Year: 1531 Days

Day: 8.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,372,746 km

• M1: 110,702 km (0.109 R)
• M2: 419,622 km (0.048 R)
• M3: 899,233 km (0.104 R)
• M4: 1,224,459 km (0.041 R)
• M5: 1,728,903 km (0.1 R)
• M6: 2,087,937 km (0.088 R)
• M7: 2,484,671 km (0.116 R)
• M8: 2,798,228 km (0.076 R)
• M9: 3,460,498 km (0.116 R)
• M10: 4,507,234 km (0.071 R)
• M11: 4,976,523 km (0.091 R)
• M12: 5,334,361 km (0.047 R)
• M13: 6,035,227 km (0.064 R)
• M14: 6,350,579 km (0.1 R)
• M15: 7,723,588 km (0.074 R)
• M16: 8,761,648 km (0.112 R)
• M17: 9,314,263 km (0.078 R)
• M18: 10,781,369 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.9

Radius: 11.5

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.84 AU - 1.98 AU

Year: 1760 Days

Day: 14.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 50,372,746 km

• M1: 143,016 km (0.06 R)
• M2: 519,853 km (0.098 R)
• M3: 1,016,518 km (0.054 R)
• M4: 1,402,181 km (0.103 R)
• M5: 1,961,078 km (0.064 R)
• M6: 2,471,207 km (0.083 R)
• M7: 3,309,254 km (0.081 R)
• M8: 4,272,066 km (0.118 R)
• M9: 4,849,215 km (0.111 R)
• M10: 5,903,431 km (0.106 R)
• M11: 6,472,801 km (0.103 R)
• M12: 6,974,851 km (0.076 R)
• M13: 7,421,999 km (0.109 R)
• M14: 8,143,061 km (0.096 R)
• M15: 9,155,539 km (0.099 R)
• M16: 11,144,443 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.6

Radius: 9.1

Gravity: 11.03 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.48 AU - 5.06 AU

Year: 5884 Days

Day: 12.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,372,746 km

• M1: 113,096 km (0.025 R)
• M2: 604,824 km (0.113 R)
• M3: 1,004,699 km (0.114 R)
• M4: 1,404,574 km (0.097 R)
• M5: 1,822,102 km (0.117 R)
• M6: 2,204,624 km (0.103 R)
• M7: 2,621,703 km (0.1 R)
• M8: 3,049,852 km (0.101 R)
• M9: 4,096,588 km (0.096 R)
• M10: 4,730,135 km (0.035 R)
• M11: 7,507,719 km (0.106 R)
• M12: 9,886,624 km (0.101 R)
• M13: 11,422,097 km (0.094 R)
• M14: 12,194,022 km (0.105 R)
• M15: 12,512,366 km (0.096 R)
• M16: 15,324,207 km (0.091 R)
• M17: 18,254,680 km (0.114 R)
• M18: 18,953,153 km (0.11 R)
• M19: 20,777,499 km (0.103 R)
• M20: 22,556,666 km (0.087 R)
• M21: 22,876,207 km (0.094 R)
• M22: 24,772,211 km (0.115 R)
• M23: 27,309,091 km (0.065 R)
• M24: 28,500,638 km (0.089 R)
• M25: 28,874,184 km (0.095 R)
• M26: 34,558,006 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.9

Radius: 9

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.3 AU - 4.62 AU

Year: 6281 Days

Day: 11.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 50,372,746 km

• M1: 111,899 km (0.092 R)
• M2: 410,796 km (0.098 R)
• M3: 880,533 km (0.085 R)
• M4: 1,225,057 km (0.108 R)
• M5: 1,797,718 km (0.079 R)
• M6: 2,277,628 km (0.102 R)
• M7: 2,612,577 km (0.069 R)
• M8: 3,000,634 km (0.119 R)
• M9: 3,316,585 km (0.069 R)
• M10: 3,725,286 km (0.111 R)
• M11: 5,039,354 km (0.11 R)
• M12: 5,365,776 km (0.081 R)
• M13: 5,865,882 km (0.057 R)
• M14: 6,923,090 km (0.094 R)
• M15: 7,327,154 km (0.084 R)
• M16: 7,708,180 km (0.115 R)
• M17: 8,182,854 km (0.109 R)
• M18: 8,888,507 km (0.079 R)
• M19: 9,999,122 km (0.067 R)
• M20: 13,038,352 km (0.079 R)
• M21: 14,000,416 km (0.054 R)
• M22: 14,767,404 km (0.063 R)
• M23: 16,709,334 km (0.1 R)
• M24: 25,143,662 km (0.114 R)
• M25: 27,624,444 km (0.094 R)
• M26: 28,829,903 km (0.044 R)
• M27: 29,493,370 km (0.082 R)
• M28: 34,850,918 km (0.073 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.7

Radius: 11.4

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.07 AU - 6.29 AU

Year: 9027 Days

Day: 10.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,372,746 km

• M1: 142,118 km (0.104 R)
• M2: 533,466 km (0.081 R)
• M3: 990,787 km (0.087 R)
• M4: 2,120,101 km (0.104 R)
• M5: 5,570,127 km (0.083 R)
• M6: 6,480,879 km (0.096 R)
• M7: 7,326,705 km (0.105 R)
• M8: 8,776,907 km (0.11 R)
• M9: 10,359,353 km (0.11 R)
• M10: 11,789,210 km (0.107 R)
• M11: 13,346,673 km (0.084 R)
• M12: 17,220,360 km (0.072 R)
• M13: 26,524,151 km (0.118 R)
• M14: 34,341,687 km (0.069 R)
• M15: 45,047,509 km (0.039 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.9

Radius: 6.5

Gravity: 10.15 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.93 AU - 9.01 AU

Year: 13615 Days

Day: 18.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 50,372,746 km

• M1: 81,381 km (0.035 R)
• M2: 374,144 km (0.047 R)
• M3: 684,859 km (0.103 R)
• M4: 1,027,438 km (0.048 R)
• M5: 1,245,103 km (0.055 R)
• M6: 1,493,735 km (0.101 R)
• M7: 1,775,577 km (0.119 R)
• M8: 2,022,862 km (0.109 R)
• M9: 2,526,409 km (0.093 R)
• M10: 2,775,639 km (0.1 R)
• M11: 3,421,752 km (0.113 R)
• M12: 3,701,351 km (0.084 R)
• M13: 5,436,686 km (0.117 R)
• M14: 5,818,310 km (0.096 R)
• M15: 6,367,334 km (0.084 R)
• M16: 6,596,369 km (0.097 R)
• M17: 7,782,081 km (0.081 R)
• M18: 8,818,645 km (0.103 R)
• M19: 9,792,228 km (0.106 R)
• M20: 15,206,773 km (0.103 R)
• M21: 15,964,038 km (0.086 R)
• M22: 17,628,314 km (0.119 R)
• M23: 19,968,623 km (0.059 R)
• M24: 20,213,515 km (0.088 R)
• M25: 22,508,196 km (0.104 R)
• M26: 23,130,374 km (0.063 R)
• M27: 28,941,204 km (0.047 R)
• M28: 29,465,245 km (0.112 R)
• M29: 31,184,873 km (0.077 R)
• M30: 31,404,483 km (0.11 R)
• M31: 34,236,669 km (0.072 R)
• M32: 43,336,110 km (0.06 R)
• M33: 48,731,357 km (0.093 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 14,124 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit