🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.4

Radius: 8.9

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.6 AU - 0.94 AU

Year: 466 Days

Day: 14.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 79,335,237 km

• M1: 110,702 km (0.12 R)
• M2: 404,961 km (0.083 R)
• M3: 789,129 km (0.109 R)
• M4: 1,110,465 km (0.105 R)
• M5: 1,439,730 km (0.1 R)
• M6: 2,457,444 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.9

Radius: 13.2

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.3 AU - 1.46 AU

Year: 1119 Days

Day: 7.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,335,237 km

• M1: 164,558 km (0.062 R)
• M2: 790,774 km (0.105 R)
• M3: 1,235,828 km (0.096 R)
• M4: 1,986,809 km (0.104 R)
• M5: 3,921,559 km (0.076 R)
• M6: 5,370,564 km (0.089 R)
• M7: 6,414,607 km (0.093 R)
• M8: 6,985,173 km (0.111 R)
• M9: 8,254,960 km (0.072 R)
• M10: 9,498,418 km (0.112 R)
• M11: 10,394,359 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.1

Radius: 11

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.88 AU - 2.4 AU

Year: 2161 Days

Day: 7.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,335,237 km

• M1: 136,882 km (0.116 R)
• M2: 500,106 km (0.053 R)
• M3: 1,082,041 km (0.086 R)
• M4: 2,836,675 km (0.099 R)
• M5: 3,289,807 km (0.117 R)
• M6: 4,147,003 km (0.057 R)
• M7: 5,006,293 km (0.077 R)
• M8: 5,373,406 km (0.099 R)
• M9: 5,957,885 km (0.042 R)
• M10: 6,347,438 km (0.099 R)
• M11: 6,951,065 km (0.088 R)
• M12: 7,833,244 km (0.086 R)
• M13: 8,357,883 km (0.036 R)
• M14: 9,416,139 km (0.11 R)
• M15: 11,550,003 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.1

Radius: 13.4

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.65 AU - 3.43 AU

Year: 3659 Days

Day: 14.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 79,335,237 km

• M1: 166,802 km (0.107 R)
• M2: 741,557 km (0.096 R)
• M3: 1,193,342 km (0.095 R)
• M4: 2,078,064 km (0.11 R)
• M5: 2,604,798 km (0.119 R)
• M6: 3,479,646 km (0.068 R)
• M7: 3,949,833 km (0.042 R)
• M8: 4,423,011 km (0.095 R)
• M9: 5,622,636 km (0.092 R)
• M10: 6,814,632 km (0.04 R)
• M11: 8,019,792 km (0.11 R)
• M12: 9,395,345 km (0.103 R)
• M13: 10,314,175 km (0.095 R)
• M14: 10,813,682 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407

Radius: 8.6

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.41 AU - 3.97 AU

Year: 3933 Days

Day: 6 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,335,237 km

• M1: 106,962 km (0.047 R)
• M2: 411,993 km (0.068 R)
• M3: 742,005 km (0.076 R)
• M4: 1,069,924 km (0.114 R)
• M5: 2,094,520 km (0.112 R)
• M6: 2,472,404 km (0.073 R)
• M7: 3,046,860 km (0.053 R)
• M8: 3,384,353 km (0.054 R)
• M9: 3,826,414 km (0.11 R)
• M10: 4,482,700 km (0.081 R)
• M11: 5,187,157 km (0.058 R)
• M12: 5,828,931 km (0.11 R)
• M13: 7,426,487 km (0.076 R)
• M14: 8,828,818 km (0.097 R)
• M15: 9,743,010 km (0.101 R)
• M16: 11,587,851 km (0.092 R)
• M17: 11,974,412 km (0.062 R)
• M18: 13,185,556 km (0.075 R)
• M19: 13,940,876 km (0.037 R)
• M20: 14,774,585 km (0.079 R)
• M21: 15,178,350 km (0.116 R)
• M22: 17,308,174 km (0.117 R)
• M23: 20,117,622 km (0.066 R)
• M24: 21,181,712 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.8

Radius: 10.7

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.81 AU - 4.43 AU

Year: 4754 Days

Day: 6 Hours

Environment

Temp: -220 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 79,335,237 km

• M1: 133,591 km (0.09 R)
• M2: 486,941 km (0.047 R)
• M3: 842,535 km (0.114 R)
• M4: 1,307,037 km (0.091 R)
• M5: 2,350,482 km (0.111 R)
• M6: 3,704,342 km (0.066 R)
• M7: 5,492,037 km (0.113 R)
• M8: 6,230,003 km (0.087 R)
• M9: 6,768,556 km (0.064 R)
• M10: 7,337,925 km (0.074 R)
• M11: 7,758,894 km (0.116 R)
• M12: 8,804,283 km (0.103 R)
• M13: 10,068,385 km (0.117 R)
• M14: 12,405,553 km (0.066 R)
• M15: 12,953,530 km (0.107 R)
• M16: 13,621,784 km (0.086 R)
• M17: 14,804,953 km (0.057 R)
• M18: 16,113,935 km (0.095 R)
• M19: 16,826,619 km (0.096 R)
• M20: 17,436,679 km (0.085 R)
• M21: 19,355,272 km (0.08 R)
• M22: 19,822,466 km (0.103 R)
• M23: 20,918,569 km (0.106 R)
• M24: 22,272,131 km (0.093 R)
• M25: 23,987,869 km (0.112 R)
• M26: 24,604,661 km (0.083 R)
• M27: 26,765,153 km (0.109 R)
• M28: 27,261,968 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.6

Radius: 13.6

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.8 AU - 4.66 AU

Year: 4972 Days

Day: 10.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 79,335,237 km

• M1: 169,195 km (0.107 R)
• M2: 628,311 km (0.097 R)
• M3: 1,053,468 km (0.075 R)
• M4: 1,786,049 km (0.084 R)
• M5: 2,256,983 km (0.082 R)
• M6: 3,769,717 km (0.111 R)
• M7: 4,807,028 km (0.074 R)
• M8: 7,881,265 km (0.094 R)
• M9: 9,070,717 km (0.113 R)
• M10: 9,571,870 km (0.091 R)
• M11: 10,091,573 km (0.065 R)
• M12: 11,608,944 km (0.102 R)
• M13: 12,040,833 km (0.062 R)
• M14: 12,524,334 km (0.104 R)
• M15: 13,573,164 km (0.089 R)
• M16: 14,008,793 km (0.094 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.7

Radius: 13.7

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.39 AU - 4.57 AU

Year: 5481 Days

Day: 13.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,335,237 km

• M1: 170,542 km (0.115 R)
• M2: 2,194,002 km (0.106 R)
• M3: 3,230,716 km (0.081 R)
• M4: 3,821,478 km (0.119 R)
• M5: 4,268,925 km (0.117 R)
• M6: 7,865,856 km (0.09 R)
• M7: 9,551,375 km (0.075 R)
• M8: 15,478,742 km (0.116 R)
• M9: 17,055,803 km (0.051 R)
• M10: 17,995,726 km (0.084 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.9

Radius: 12.9

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 3.53 AU - 5.87 AU

Year: 7033 Days

Day: 7.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,335,237 km

• M1: 160,519 km (0.077 R)
• M2: 585,825 km (0.068 R)
• M3: 1,184,217 km (0.084 R)
• M4: 1,692,251 km (0.069 R)
• M5: 2,149,123 km (0.03 R)
• M6: 2,570,690 km (0.114 R)
• M7: 3,459,750 km (0.072 R)
• M8: 5,139,136 km (0.039 R)
• M9: 5,554,719 km (0.05 R)
• M10: 8,732,776 km (0.094 R)
• M11: 12,316,991 km (0.102 R)
• M12: 13,321,092 km (0.102 R)
• M13: 17,391,949 km (0.061 R)
• M14: 18,590,827 km (0.088 R)
• M15: 29,091,849 km (0.028 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.8

Radius: 7.6

Gravity: 11.6 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 8.57 AU - 11.25 AU

Year: 21534 Days

Day: 22.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 79,335,237 km

• M1: 94,546 km (0.113 R)
• M2: 477,068 km (0.03 R)
• M3: 1,071,270 km (0.119 R)
• M4: 1,760,468 km (0.107 R)
• M5: 2,277,029 km (0.118 R)
• M6: 3,760,890 km (0.093 R)
• M7: 4,442,608 km (0.058 R)
• M8: 5,280,954 km (0.096 R)
• M9: 5,881,889 km (0.09 R)
• M10: 8,533,362 km (0.072 R)
• M11: 11,236,446 km (0.077 R)
• M12: 11,626,597 km (0.114 R)
• M13: 11,891,684 km (0.106 R)
• M14: 14,846,691 km (0.12 R)
• M15: 15,475,451 km (0.092 R)
• M16: 16,203,993 km (0.115 R)
• M17: 19,814,238 km (0.065 R)
• M18: 21,456,673 km (0.076 R)
• M19: 22,057,458 km (0.035 R)
• M20: 29,302,782 km (0.114 R)
• M21: 30,416,538 km (0.113 R)
• M22: 31,302,158 km (0.111 R)
• M23: 32,074,831 km (0.109 R)
• M24: 32,860,070 km (0.12 R)
• M25: 43,466,409 km (0.101 R)
• M26: 54,279,194 km (0.035 R)
• M27: 54,649,000 km (0.118 R)
• M28: 55,393,698 km (0.069 R)
• M29: 58,634,586 km (0.092 R)
• M30: 65,491,405 km (0.047 R)
• M31: 66,754,310 km (0.093 R)
• M32: 70,640,713 km (0.06 R)
• M33: 72,863,588 km (0.098 R)
• M34: 75,132,838 km (0.055 R)
• M35: 76,284,891 km (0.08 R)
• M36: 78,860,817 km (0.1 R)
• M37: 79,097,780 km (0.097 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 17,125 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit