🌌 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: 690.2

Radius: 13.3

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.71 AU - 0.75 AU

Year: 431 Days

Day: 5.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,123,945 km

• M1: 165,455 km (0.047 R)
• M2: 602,730 km (0.079 R)
• M3: 1,109,567 km (0.073 R)
• M4: 1,634,506 km (0.088 R)
• M5: 2,050,239 km (0.086 R)
• M6: 2,693,958 km (0.074 R)
• M7: 3,114,029 km (0.104 R)
• M8: 3,840,177 km (0.106 R)
• M9: 4,633,046 km (0.1 R)
• M10: 5,417,986 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.9

Radius: 11.7

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.67 AU - 1.09 AU

Year: 570 Days

Day: 6.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,123,945 km

• M1: 145,559 km (0.105 R)
• M2: 666,159 km (0.075 R)
• M3: 1,066,483 km (0.087 R)
• M4: 1,440,029 km (0.068 R)
• M5: 2,063,403 km (0.116 R)
• M6: 2,517,134 km (0.09 R)
• M7: 3,098,322 km (0.118 R)
• M8: 3,642,559 km (0.12 R)
• M9: 4,055,000 km (0.034 R)
• M10: 4,514,415 km (0.092 R)
• M11: 5,181,173 km (0.102 R)
• M12: 5,893,558 km (0.063 R)
• M13: 6,323,502 km (0.115 R)
• M14: 6,690,765 km (0.106 R)
• M15: 7,535,993 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405

Radius: 9.7

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.21 AU - 1.69 AU

Year: 1205 Days

Day: 7.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,123,945 km

• M1: 120,576 km (0.064 R)
• M2: 441,314 km (0.114 R)
• M3: 886,068 km (0.103 R)
• M4: 1,240,466 km (0.112 R)
• M5: 1,547,740 km (0.049 R)
• M6: 2,225,268 km (0.079 R)
• M7: 2,820,219 km (0.058 R)
• M8: 3,128,989 km (0.117 R)
• M9: 3,474,710 km (0.088 R)
• M10: 4,309,765 km (0.074 R)
• M11: 5,505,501 km (0.074 R)
• M12: 6,395,608 km (0.076 R)
• M13: 7,868,848 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615

Radius: 10.2

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.73 AU - 3.83 AU

Year: 4100 Days

Day: 10.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,123,945 km

• M1: 132,095 km (0.057 R)
• M2: 678,426 km (0.087 R)
• M3: 1,169,706 km (0.054 R)
• M4: 1,487,601 km (0.097 R)
• M5: 1,994,888 km (0.079 R)
• M6: 2,865,697 km (0.114 R)
• M7: 3,188,230 km (0.046 R)
• M8: 3,780,637 km (0.116 R)
• M9: 4,147,900 km (0.108 R)
• M10: 4,610,457 km (0.079 R)
• M11: 5,422,324 km (0.088 R)
• M12: 6,091,775 km (0.089 R)
• M13: 6,507,059 km (0.113 R)
• M14: 6,941,192 km (0.111 R)
• M15: 7,394,623 km (0.111 R)
• M16: 8,688,794 km (0.078 R)
• M17: 9,487,497 km (0.069 R)
• M18: 9,965,313 km (0.099 R)
• M19: 10,712,255 km (0.065 R)
• M20: 12,600,030 km (0.067 R)
• M21: 13,874,155 km (0.038 R)
• M22: 14,386,528 km (0.119 R)
• M23: 15,232,354 km (0.05 R)
• M24: 16,110,943 km (0.115 R)
• M25: 16,791,912 km (0.084 R)
• M26: 20,095,632 km (0.118 R)
• M27: 20,487,578 km (0.113 R)
• M28: 24,917,021 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.1

Radius: 9.1

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.05 AU - 4.21 AU

Year: 4774 Days

Day: 7 Hours

Environment

Temp: -213 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,123,945 km

• M1: 113,246 km (0.111 R)
• M2: 502,798 km (0.097 R)
• M3: 825,331 km (0.105 R)
• M4: 1,882,240 km (0.096 R)
• M5: 2,241,574 km (0.061 R)
• M6: 3,306,711 km (0.079 R)
• M7: 3,749,072 km (0.117 R)
• M8: 5,642,832 km (0.109 R)
• M9: 8,831,211 km (0.106 R)
• M10: 9,251,132 km (0.068 R)
• M11: 9,644,425 km (0.077 R)
• M12: 10,464,521 km (0.087 R)
• M13: 13,007,984 km (0.114 R)
• M14: 13,703,015 km (0.074 R)
• M15: 14,422,581 km (0.08 R)
• M16: 15,113,125 km (0.043 R)
• M17: 15,439,248 km (0.117 R)
• M18: 16,560,185 km (0.074 R)
• M19: 17,794,816 km (0.114 R)
• M20: 19,727,770 km (0.105 R)
• M21: 20,845,117 km (0.118 R)
• M22: 21,317,397 km (0.12 R)
• M23: 22,564,296 km (0.09 R)
• M24: 22,990,650 km (0.117 R)
• M25: 23,422,239 km (0.115 R)

Asteroid Belt

Center: 4.21 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714

Radius: 14.1

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.94 AU - 5.62 AU

Year: 7214 Days

Day: 14.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,123,945 km

• M1: 175,329 km (0.064 R)
• M2: 661,223 km (0.112 R)
• M3: 2,162,587 km (0.079 R)
• M4: 3,816,840 km (0.077 R)
• M5: 5,615,605 km (0.09 R)
• M6: 6,474,895 km (0.096 R)
• M7: 11,932,076 km (0.1 R)
• M8: 13,239,262 km (0.06 R)
• M9: 14,943,780 km (0.046 R)
• M10: 15,880,861 km (0.058 R)
• M11: 20,475,909 km (0.08 R)
• M12: 21,868,217 km (0.063 R)
• M13: 23,989,814 km (0.071 R)
• M14: 24,841,325 km (0.091 R)
• M15: 25,889,557 km (0.061 R)
• M16: 26,334,910 km (0.113 R)
• M17: 27,794,686 km (0.095 R)
• M18: 30,676,240 km (0.07 R)
• M19: 32,394,671 km (0.093 R)
• M20: 37,252,263 km (0.102 R)
• M21: 39,090,522 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.1

Radius: 7.5

Gravity: 11.74 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.94 AU - 9.66 AU

Year: 16505 Days

Day: 20.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 66,123,945 km

• M1: 103,073 km (0.114 R)
• M2: 348,862 km (0.062 R)
• M3: 731,384 km (0.102 R)
• M4: 1,280,857 km (0.102 R)
• M5: 4,010,121 km (0.094 R)
• M6: 4,382,918 km (0.075 R)
• M7: 5,198,077 km (0.073 R)
• M8: 7,169,927 km (0.102 R)
• M9: 7,626,350 km (0.102 R)
• M10: 8,053,452 km (0.098 R)
• M11: 10,035,474 km (0.066 R)
• M12: 10,433,105 km (0.053 R)
• M13: 12,129,695 km (0.106 R)
• M14: 14,002,361 km (0.118 R)
• M15: 14,934,056 km (0.116 R)
• M16: 17,894,299 km (0.083 R)
• M17: 19,424,087 km (0.117 R)
• M18: 20,855,439 km (0.08 R)
• M19: 21,690,794 km (0.069 R)
• M20: 22,069,127 km (0.1 R)
• M21: 23,230,605 km (0.11 R)
• M22: 23,626,590 km (0.079 R)
• M23: 25,152,189 km (0.119 R)
• M24: 25,992,032 km (0.043 R)
• M25: 27,286,801 km (0.068 R)
• M26: 28,398,014 km (0.058 R)
• M27: 32,034,738 km (0.063 R)
• M28: 32,648,987 km (0.044 R)
• M29: 33,522,040 km (0.104 R)
• M30: 38,812,120 km (0.07 R)
• M31: 41,800,188 km (0.103 R)
• M32: 42,829,272 km (0.099 R)
• M33: 45,707,685 km (0.052 R)
• M34: 52,353,420 km (0.114 R)
• M35: 57,424,489 km (0.071 R)
• M36: 59,985,754 km (0.103 R)
• M37: 62,050,803 km (0.104 R)
• M38: 65,531,497 km (0.093 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 277 - 18,535 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit