🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.6

Radius: 11.9

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.51 AU - 0.65 AU

Year: 305 Days

Day: 10.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,212,745 km

• M1: 148,102 km (0.072 R)
• M2: 567,874 km (0.118 R)
• M3: 1,048,232 km (0.096 R)
• M4: 1,499,719 km (0.101 R)
• M5: 2,042,759 km (0.111 R)
• M6: 2,522,818 km (0.055 R)
• M7: 3,462,144 km (0.088 R)
• M8: 3,939,211 km (0.119 R)
• M9: 4,316,048 km (0.111 R)
• M10: 4,703,207 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.2

Radius: 8.8

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.56 AU - 0.88 AU

Year: 422 Days

Day: 9.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,212,745 km

• M1: 109,655 km (0.083 R)
• M2: 384,467 km (0.117 R)
• M3: 953,088 km (0.057 R)
• M4: 1,271,133 km (0.074 R)
• M5: 2,021,965 km (0.108 R)
• M6: 2,490,954 km (0.089 R)
• M7: 2,852,981 km (0.119 R)
• M8: 3,216,354 km (0.074 R)
• M9: 3,526,919 km (0.051 R)
• M10: 3,857,381 km (0.07 R)
• M11: 4,208,487 km (0.093 R)
• M12: 4,524,438 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.3

Radius: 10.7

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.85 AU - 3.87 AU

Year: 4251 Days

Day: 12.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,212,745 km

• M1: 141,520 km (0.107 R)
• M2: 564,882 km (0.081 R)
• M3: 938,577 km (0.087 R)
• M4: 1,302,549 km (0.112 R)
• M5: 1,822,401 km (0.064 R)
• M6: 2,538,377 km (0.113 R)
• M7: 3,031,302 km (0.102 R)
• M8: 3,528,715 km (0.11 R)
• M9: 4,433,183 km (0.046 R)
• M10: 4,782,943 km (0.116 R)
• M11: 5,538,412 km (0.031 R)
• M12: 5,889,519 km (0.068 R)
• M13: 6,910,075 km (0.093 R)
• M14: 7,976,708 km (0.099 R)
• M15: 9,336,852 km (0.086 R)
• M16: 9,914,449 km (0.072 R)
• M17: 10,352,921 km (0.066 R)
• M18: 11,140,853 km (0.093 R)
• M19: 11,746,574 km (0.069 R)
• M20: 12,147,646 km (0.102 R)
• M21: 14,140,888 km (0.048 R)
• M22: 15,532,149 km (0.051 R)
• M23: 16,453,671 km (0.037 R)
• M24: 17,526,438 km (0.119 R)
• M25: 17,991,687 km (0.11 R)
• M26: 18,644,981 km (0.102 R)
• M27: 20,188,681 km (0.086 R)
• M28: 22,218,874 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.5

Radius: 14.1

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.9 AU - 4.68 AU

Year: 5093 Days

Day: 11.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,212,745 km

• M1: 175,329 km (0.108 R)
• M2: 782,397 km (0.091 R)
• M3: 1,604,138 km (0.113 R)
• M4: 2,129,675 km (0.095 R)
• M5: 2,861,358 km (0.108 R)
• M6: 3,774,504 km (0.103 R)
• M7: 4,527,879 km (0.065 R)
• M8: 8,951,338 km (0.118 R)
• M9: 9,713,091 km (0.116 R)
• M10: 15,369,386 km (0.12 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.7

Radius: 5.4

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.52 AU - 5.6 AU

Year: 9049 Days

Day: 20.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,212,745 km

• M1: 67,169 km (0.099 R)
• M2: 249,529 km (0.08 R)
• M3: 429,944 km (0.107 R)
• M4: 601,982 km (0.041 R)
• M5: 889,958 km (0.064 R)
• M6: 1,102,686 km (0.076 R)
• M7: 1,338,452 km (0.098 R)
• M8: 2,791,646 km (0.075 R)
• M9: 5,146,466 km (0.077 R)
• M10: 6,100,152 km (0.074 R)
• M11: 8,205,294 km (0.098 R)
• M12: 10,112,367 km (0.034 R)
• M13: 10,364,440 km (0.075 R)
• M14: 13,984,259 km (0.042 R)
• M15: 20,899,271 km (0.041 R)
• M16: 23,289,995 km (0.09 R)
• M17: 23,877,915 km (0.106 R)
• M18: 24,400,310 km (0.041 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 505.3

Radius: 4.7

Gravity: 22.87 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.22 AU - 6.02 AU

Year: 9196 Days

Day: 23.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 43,212,745 km

• M1: 58,493 km (0.11 R)
• M2: 410,796 km (0.076 R)
• M3: 638,035 km (0.111 R)
• M4: 1,015,171 km (0.076 R)
• M5: 1,888,224 km (0.053 R)
• M6: 2,063,703 km (0.099 R)
• M7: 3,590,050 km (0.113 R)
• M8: 4,304,679 km (0.104 R)
• M9: 5,580,001 km (0.112 R)
• M10: 5,909,265 km (0.084 R)
• M11: 9,205,355 km (0.09 R)
• M12: 10,779,873 km (0.107 R)
• M13: 12,031,708 km (0.118 R)
• M14: 12,414,379 km (0.102 R)
• M15: 12,861,677 km (0.092 R)
• M16: 13,204,106 km (0.079 R)
• M17: 14,758,428 km (0.096 R)
• M18: 15,903,450 km (0.068 R)
• M19: 16,099,872 km (0.087 R)
• M20: 21,874,350 km (0.111 R)
• M21: 22,774,181 km (0.076 R)
• M22: 23,954,658 km (0.118 R)
• M23: 26,163,172 km (0.065 R)
• M24: 26,990,448 km (0.043 R)
• M25: 31,905,785 km (0.093 R)
• M26: 33,275,054 km (0.12 R)
• M27: 40,468,318 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.8

Radius: 5.9

Gravity: 18.98 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.95 AU - 7.67 AU

Year: 12267 Days

Day: 16.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 43,212,745 km

• M1: 78,240 km (0.09 R)
• M2: 330,312 km (0.092 R)
• M3: 642,672 km (0.108 R)
• M4: 860,786 km (0.093 R)
• M5: 1,070,672 km (0.061 R)
• M6: 1,522,158 km (0.063 R)
• M7: 2,931,520 km (0.106 R)
• M8: 3,313,144 km (0.117 R)
• M9: 3,673,825 km (0.092 R)
• M10: 5,246,397 km (0.064 R)
• M11: 9,540,754 km (0.078 R)
• M12: 10,163,679 km (0.1 R)
• M13: 10,485,016 km (0.105 R)
• M14: 16,374,534 km (0.102 R)
• M15: 16,594,443 km (0.117 R)
• M16: 17,266,137 km (0.072 R)
• M17: 18,346,832 km (0.045 R)
• M18: 19,227,066 km (0.095 R)
• M19: 22,484,410 km (0.05 R)
• M20: 23,306,451 km (0.061 R)
• M21: 26,897,398 km (0.1 R)
• M22: 28,347,001 km (0.08 R)
• M23: 28,983,989 km (0.067 R)
• M24: 29,847,917 km (0.04 R)
• M25: 30,176,284 km (0.091 R)
• M26: 32,082,909 km (0.105 R)
• M27: 33,712,179 km (0.107 R)
• M28: 34,068,372 km (0.112 R)
• M29: 39,584,644 km (0.117 R)
• M30: 40,113,771 km (0.113 R)
• M31: 40,647,686 km (0.062 R)
• M32: 41,321,625 km (0.09 R)
• M33: 42,830,618 km (0.047 R)
• M34: 46,249,678 km (0.05 R)
• M35: 49,234,305 km (0.036 R)
• M36: 50,618,235 km (0.117 R)
• M37: 54,272,612 km (0.04 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 104.4

Radius: 4

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 8.51 AU - 11.55 AU

Year: 21926 Days

Day: 23.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,212,745 km

• M1: 57,296 km (0.118 R)
• M2: 207,343 km (0.097 R)
• M3: 331,958 km (0.095 R)
• M4: 509,381 km (0.117 R)
• M5: 740,509 km (0.082 R)
• M6: 1,017,714 km (0.094 R)
• M7: 1,600,847 km (0.082 R)
• M8: 4,734,324 km (0.097 R)
• M9: 5,477,526 km (0.118 R)
• M10: 8,298,343 km (0.05 R)
• M11: 8,691,038 km (0.113 R)
• M12: 9,095,999 km (0.085 R)
• M13: 12,458,959 km (0.1 R)
• M14: 17,469,591 km (0.089 R)
• M15: 23,935,659 km (0.106 R)
• M16: 38,118,435 km (0.097 R)
• M17: 40,923,694 km (0.086 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 227 - 14,328 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit