🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.5

Radius: 14.8

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.87 AU - 1.29 AU

Year: 775 Days

Day: 14.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 23,801,529 km

• M1: 184,454 km (0.087 R)
• M2: 708,047 km (0.115 R)
• M3: 1,226,553 km (0.082 R)
• M4: 1,736,083 km (0.038 R)
• M5: 2,309,193 km (0.096 R)
• M6: 3,237,747 km (0.111 R)
• M7: 4,702,759 km (0.098 R)
• M8: 5,310,575 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 222.5

Radius: 10

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.34 AU - 1.42 AU

Year: 1119 Days

Day: 7.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 23,801,529 km

• M1: 124,316 km (0.106 R)
• M2: 511,774 km (0.116 R)
• M3: 988,393 km (0.115 R)
• M4: 1,742,067 km (0.083 R)
• M5: 2,249,204 km (0.086 R)
• M6: 3,028,459 km (0.098 R)
• M7: 3,467,828 km (0.083 R)
• M8: 3,793,353 km (0.083 R)
• M9: 6,336,218 km (0.088 R)
• M10: 7,143,747 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728

Radius: 14.6

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.56 AU - 1.8 AU

Year: 1503 Days

Day: 6.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,801,529 km

• M1: 182,659 km (0.116 R)
• M2: 671,994 km (0.104 R)
• M3: 1,826,740 km (0.071 R)
• M4: 2,427,375 km (0.113 R)
• M5: 3,085,306 km (0.076 R)
• M6: 3,725,436 km (0.106 R)
• M7: 4,703,656 km (0.072 R)
• M8: 6,387,380 km (0.094 R)
• M9: 7,407,039 km (0.103 R)
• M10: 8,126,306 km (0.059 R)
• M11: 8,591,855 km (0.115 R)
• M12: 9,513,078 km (0.116 R)
• M13: 10,635,661 km (0.118 R)
• M14: 11,408,034 km (0.094 R)
• M15: 12,255,207 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.1

Radius: 9.9

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.45 AU - 1.91 AU

Year: 1503 Days

Day: 8 Hours

Environment

Temp: -198 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,801,529 km

• M1: 123,119 km (0.076 R)
• M2: 509,231 km (0.11 R)
• M3: 1,069,774 km (0.114 R)
• M4: 1,835,566 km (0.084 R)
• M5: 2,774,741 km (0.066 R)
• M6: 4,500,054 km (0.114 R)
• M7: 6,758,981 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.7

Radius: 14.2

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.09 AU - 2.95 AU

Year: 2761 Days

Day: 9.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,801,529 km

• M1: 176,675 km (0.092 R)
• M2: 855,849 km (0.088 R)
• M3: 1,328,279 km (0.119 R)
• M4: 1,836,763 km (0.095 R)
• M5: 2,609,286 km (0.047 R)
• M6: 3,802,179 km (0.087 R)
• M7: 4,578,144 km (0.117 R)
• M8: 5,432,497 km (0.09 R)
• M9: 5,924,973 km (0.041 R)
• M10: 7,459,099 km (0.084 R)
• M11: 8,201,853 km (0.093 R)
• M12: 8,677,873 km (0.108 R)
• M13: 9,389,959 km (0.106 R)
• M14: 11,677,311 km (0.116 R)
• M15: 14,217,931 km (0.068 R)
• M16: 15,412,321 km (0.083 R)
• M17: 16,298,090 km (0.051 R)
• M18: 17,438,773 km (0.096 R)
• M19: 19,940,050 km (0.096 R)
• M20: 21,244,842 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.3

Radius: 14.2

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.42 AU - 3.88 AU

Year: 4813 Days

Day: 5.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,801,529 km

• M1: 176,525 km (0.1 R)
• M2: 658,679 km (0.105 R)
• M3: 1,735,335 km (0.085 R)
• M4: 2,465,822 km (0.112 R)
• M5: 3,011,405 km (0.085 R)
• M6: 3,811,903 km (0.064 R)
• M7: 4,591,458 km (0.104 R)
• M8: 5,526,145 km (0.103 R)
• M9: 7,330,894 km (0.089 R)
• M10: 8,034,004 km (0.071 R)
• M11: 8,608,011 km (0.085 R)
• M12: 11,642,903 km (0.108 R)
• M13: 12,291,111 km (0.106 R)
• M14: 15,536,038 km (0.108 R)
• M15: 16,375,581 km (0.089 R)
• M16: 17,245,194 km (0.061 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.1

Radius: 9.8

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.33 AU - 5.89 AU

Year: 7973 Days

Day: 7.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 23,801,529 km

• M1: 123,269 km (0.081 R)
• M2: 433,983 km (0.109 R)
• M3: 1,360,593 km (0.104 R)
• M4: 1,897,051 km (0.033 R)
• M5: 2,364,843 km (0.109 R)
• M6: 2,961,739 km (0.09 R)
• M7: 4,550,618 km (0.04 R)
• M8: 5,447,606 km (0.11 R)
• M9: 5,866,480 km (0.109 R)
• M10: 7,865,258 km (0.083 R)
• M11: 8,437,769 km (0.102 R)
• M12: 8,923,064 km (0.112 R)
• M13: 9,230,937 km (0.108 R)
• M14: 10,449,411 km (0.118 R)
• M15: 10,922,141 km (0.039 R)
• M16: 12,002,836 km (0.103 R)
• M17: 12,956,672 km (0.064 R)
• M18: 15,232,055 km (0.088 R)
• M19: 17,222,754 km (0.071 R)
• M20: 18,684,325 km (0.119 R)
• M21: 20,226,829 km (0.088 R)
• M22: 21,852,659 km (0.107 R)
• M23: 23,490,606 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 507.1

Radius: 8

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.78 AU - 6.24 AU

Year: 10170 Days

Day: 19.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,801,529 km

• M1: 99,632 km (0.076 R)
• M2: 534,364 km (0.093 R)
• M3: 868,416 km (0.112 R)
• M4: 1,269,039 km (0.119 R)
• M5: 1,615,358 km (0.119 R)
• M6: 2,090,181 km (0.087 R)
• M7: 2,351,828 km (0.101 R)
• M8: 5,215,431 km (0.098 R)
• M9: 6,215,941 km (0.034 R)
• M10: 6,613,123 km (0.117 R)
• M11: 7,579,077 km (0.105 R)
• M12: 8,117,031 km (0.111 R)
• M13: 11,515,146 km (0.106 R)
• M14: 12,394,333 km (0.118 R)
• M15: 15,106,393 km (0.102 R)
• M16: 16,226,582 km (0.054 R)
• M17: 23,351,031 km (0.049 R)
• M18: 23,784,266 km (0.075 R)
• M19: 25,662,767 km (0.093 R)
• M20: 36,788,211 km (0.059 R)
• M21: 38,087,019 km (0.104 R)
• M22: 40,402,346 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.4

Radius: 7.2

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 7 AU - 7.92 AU

Year: 14064 Days

Day: 20.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,801,529 km

• M1: 90,956 km (0.081 R)
• M2: 421,417 km (0.047 R)
• M3: 1,106,127 km (0.102 R)
• M4: 1,330,075 km (0.073 R)
• M5: 1,630,018 km (0.094 R)
• M6: 2,879,161 km (0.117 R)
• M7: 3,309,554 km (0.109 R)
• M8: 4,366,313 km (0.087 R)
• M9: 6,452,306 km (0.119 R)
• M10: 7,811,552 km (0.108 R)
• M11: 11,780,533 km (0.085 R)
• M12: 12,691,135 km (0.101 R)
• M13: 16,805,825 km (0.104 R)
• M14: 22,888,773 km (0.09 R)
• M15: 23,730,411 km (0.076 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: 498 - 17,455 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit