🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.1

Radius: 14.9

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.61 AU - 0.91 AU

Year: 435 Days

Day: 8.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,486,504 km

• M1: 185,352 km (0.104 R)
• M2: 656,585 km (0.073 R)
• M3: 1,142,629 km (0.066 R)
• M4: 1,680,283 km (0.034 R)
• M5: 2,287,651 km (0.102 R)
• M6: 3,119,116 km (0.103 R)
• M7: 3,928,739 km (0.094 R)
• M8: 4,813,461 km (0.09 R)
• M9: 5,689,357 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.8

Radius: 9.8

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 2.63 AU - 3.53 AU

Year: 3546 Days

Day: 5.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,486,504 km

• M1: 122,371 km (0.079 R)
• M2: 517,010 km (0.118 R)
• M3: 953,686 km (0.025 R)
• M4: 1,293,722 km (0.118 R)
• M5: 1,880,595 km (0.116 R)
• M6: 2,318,468 km (0.052 R)
• M7: 3,001,532 km (0.115 R)
• M8: 3,321,970 km (0.117 R)
• M9: 6,776,933 km (0.094 R)
• M10: 7,365,750 km (0.087 R)
• M11: 8,496,411 km (0.1 R)
• M12: 11,143,246 km (0.117 R)
• M13: 12,677,971 km (0.105 R)
• M14: 14,883,043 km (0.041 R)
• M15: 17,392,248 km (0.096 R)
• M16: 19,064,453 km (0.108 R)
• M17: 22,085,582 km (0.059 R)
• M18: 23,746,568 km (0.098 R)
• M19: 26,511,286 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.1

Radius: 9.7

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.9 AU - 4.1 AU

Year: 4295 Days

Day: 7 Hours

Environment

Temp: -213 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,486,504 km

• M1: 121,324 km (0.054 R)
• M2: 540,796 km (0.027 R)
• M3: 1,504,207 km (0.114 R)
• M4: 2,224,371 km (0.109 R)
• M5: 3,343,064 km (0.113 R)
• M6: 5,659,587 km (0.099 R)
• M7: 6,616,714 km (0.095 R)
• M8: 7,005,818 km (0.096 R)
• M9: 7,558,283 km (0.09 R)
• M10: 8,651,993 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.2

Radius: 12.1

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.66 AU - 5.68 AU

Year: 6620 Days

Day: 6.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,486,504 km

• M1: 150,495 km (0.074 R)
• M2: 1,065,286 km (0.074 R)
• M3: 2,029,295 km (0.083 R)
• M4: 2,963,833 km (0.058 R)
• M5: 3,392,730 km (0.11 R)
• M6: 4,650,549 km (0.052 R)
• M7: 5,962,522 km (0.098 R)
• M8: 7,391,930 km (0.106 R)
• M9: 9,485,552 km (0.097 R)
• M10: 11,168,827 km (0.056 R)
• M11: 18,596,960 km (0.081 R)
• M12: 19,469,415 km (0.11 R)
• M13: 22,251,038 km (0.072 R)
• M14: 22,821,155 km (0.065 R)
• M15: 23,990,711 km (0.115 R)
• M16: 25,375,688 km (0.074 R)
• M17: 27,181,185 km (0.096 R)
• M18: 30,544,295 km (0.095 R)
• M19: 40,087,293 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.4

Radius: 8.2

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.84 AU - 5.78 AU

Year: 6920 Days

Day: 6.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,486,504 km

• M1: 102,026 km (0.101 R)
• M2: 1,933,702 km (0.054 R)
• M3: 2,402,691 km (0.092 R)
• M4: 3,527,667 km (0.114 R)
• M5: 3,856,932 km (0.109 R)
• M6: 4,820,343 km (0.113 R)
• M7: 6,050,336 km (0.103 R)
• M8: 8,022,784 km (0.115 R)
• M9: 10,347,685 km (0.063 R)
• M10: 12,095,586 km (0.064 R)
• M11: 18,263,656 km (0.107 R)
• M12: 23,347,740 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.9

Radius: 13.4

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 4.59 AU - 6.89 AU

Year: 9021 Days

Day: 10 Hours

Environment

Temp: -213 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,486,504 km

• M1: 166,802 km (0.094 R)
• M2: 663,167 km (0.099 R)
• M3: 1,288,636 km (0.068 R)
• M4: 1,849,478 km (0.079 R)
• M5: 3,215,606 km (0.078 R)
• M6: 3,844,665 km (0.096 R)
• M7: 4,829,019 km (0.102 R)
• M8: 6,271,143 km (0.07 R)
• M9: 7,257,442 km (0.039 R)
• M10: 8,426,250 km (0.115 R)
• M11: 10,792,589 km (0.093 R)
• M12: 13,236,120 km (0.088 R)
• M13: 13,800,254 km (0.037 R)
• M14: 19,049,494 km (0.08 R)
• M15: 21,110,354 km (0.086 R)
• M16: 21,570,667 km (0.088 R)
• M17: 22,352,615 km (0.108 R)
• M18: 23,561,066 km (0.054 R)
• M19: 28,927,291 km (0.11 R)
• M20: 32,246,569 km (0.11 R)
• M21: 34,843,588 km (0.075 R)
• M22: 35,811,785 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.3

Radius: 5.9

Gravity: 19.57 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.7 AU - 10.9 AU

Year: 17125 Days

Day: 20.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 68,486,504 km

• M1: 81,381 km (0.115 R)
• M2: 273,465 km (0.1 R)
• M3: 1,155,195 km (0.074 R)
• M4: 1,465,311 km (0.12 R)
• M5: 1,673,851 km (0.101 R)
• M6: 2,336,270 km (0.094 R)
• M7: 2,599,562 km (0.113 R)
• M8: 2,981,486 km (0.09 R)
• M9: 3,566,862 km (0.097 R)
• M10: 5,105,775 km (0.087 R)
• M11: 6,390,971 km (0.105 R)
• M12: 6,645,885 km (0.099 R)
• M13: 7,041,123 km (0.067 R)
• M14: 8,522,740 km (0.075 R)
• M15: 9,972,942 km (0.109 R)
• M16: 11,270,404 km (0.041 R)
• M17: 12,676,475 km (0.062 R)
• M18: 14,484,215 km (0.056 R)
• M19: 16,299,436 km (0.098 R)
• M20: 17,017,506 km (0.118 R)
• M21: 17,839,845 km (0.065 R)
• M22: 20,374,332 km (0.076 R)
• M23: 20,741,745 km (0.08 R)
• M24: 21,489,884 km (0.053 R)
• M25: 24,975,365 km (0.094 R)
• M26: 26,360,491 km (0.109 R)
• M27: 27,908,530 km (0.112 R)
• M28: 29,868,561 km (0.115 R)
• M29: 32,165,786 km (0.097 R)
• M30: 33,931,939 km (0.114 R)
• M31: 34,969,699 km (0.041 R)
• M32: 36,296,483 km (0.059 R)
• M33: 37,381,666 km (0.082 R)
• M34: 39,049,831 km (0.078 R)
• M35: 43,892,314 km (0.116 R)
• M36: 45,279,087 km (0.048 R)
• M37: 46,062,082 km (0.057 R)
• M38: 58,914,484 km (0.081 R)
• M39: 59,847,526 km (0.091 R)
• M40: 62,319,331 km (0.109 R)
• M41: 67,668,802 km (0.043 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 10,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit