🌌 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: 152.9

Radius: 9.6

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.75 AU - 0.77 AU

Year: 435 Days

Day: 12.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 26,059,369 km

• M1: 119,529 km (0.05 R)
• M2: 442,361 km (0.101 R)
• M3: 1,051,823 km (0.074 R)
• M4: 2,291,391 km (0.111 R)
• M5: 2,860,760 km (0.042 R)
• M6: 3,242,085 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.1

Radius: 9.4

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.87 AU - 1.37 AU

Year: 778 Days

Day: 14.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,059,369 km

• M1: 118,182 km (0.114 R)
• M2: 414,237 km (0.076 R)
• M3: 1,356,105 km (0.117 R)
• M4: 1,815,819 km (0.097 R)
• M5: 2,151,517 km (0.099 R)
• M6: 2,999,737 km (0.107 R)
• M7: 4,117,831 km (0.105 R)
• M8: 5,821,003 km (0.113 R)
• M9: 6,285,504 km (0.082 R)
• M10: 7,039,627 km (0.11 R)
• M11: 7,876,926 km (0.092 R)
• M12: 8,195,121 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.9

Radius: 11.4

Gravity: 6.88 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.47 AU - 1.75 AU

Year: 1340 Days

Day: 14.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,059,369 km

• M1: 141,819 km (0.102 R)
• M2: 625,170 km (0.091 R)
• M3: 984,803 km (0.105 R)
• M4: 1,624,483 km (0.119 R)
• M5: 2,151,367 km (0.116 R)
• M6: 2,538,676 km (0.115 R)
• M7: 3,377,172 km (0.081 R)
• M8: 3,750,718 km (0.102 R)
• M9: 4,316,796 km (0.03 R)
• M10: 4,778,156 km (0.069 R)
• M11: 5,229,942 km (0.076 R)
• M12: 6,030,739 km (0.116 R)
• M13: 6,412,064 km (0.105 R)
• M14: 7,329,548 km (0.092 R)
• M15: 8,016,800 km (0.062 R)
• M16: 10,575,522 km (0.111 R)
• M17: 12,958,018 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.1

Radius: 10.8

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.78 AU - 2.68 AU

Year: 2185 Days

Day: 9.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 26,059,369 km

• M1: 134,339 km (0.113 R)
• M2: 472,131 km (0.053 R)
• M3: 2,423,486 km (0.102 R)
• M4: 2,899,805 km (0.038 R)
• M5: 3,601,120 km (0.064 R)
• M6: 5,032,622 km (0.109 R)
• M7: 6,393,963 km (0.069 R)
• M8: 6,840,961 km (0.113 R)
• M9: 7,550,504 km (0.099 R)
• M10: 7,986,582 km (0.056 R)
• M11: 8,406,503 km (0.056 R)
• M12: 9,012,374 km (0.119 R)
• M13: 10,012,585 km (0.031 R)
• M14: 10,616,362 km (0.112 R)
• M15: 12,148,095 km (0.097 R)
• M16: 14,619,003 km (0.111 R)
• M17: 16,458,608 km (0.096 R)
• M18: 18,784,705 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.5

Radius: 10.9

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.54 AU - 3.8 AU

Year: 3703 Days

Day: 8.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 26,059,369 km

• M1: 135,536 km (0.119 R)
• M2: 517,309 km (0.069 R)
• M3: 918,232 km (0.079 R)
• M4: 1,843,345 km (0.086 R)
• M5: 2,560,966 km (0.117 R)
• M6: 3,641,811 km (0.095 R)
• M7: 4,401,768 km (0.115 R)
• M8: 5,304,890 km (0.11 R)
• M9: 6,189,911 km (0.101 R)
• M10: 6,679,994 km (0.108 R)
• M11: 7,632,633 km (0.089 R)
• M12: 9,868,672 km (0.081 R)
• M13: 11,238,690 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.3

Radius: 8.3

Gravity: 11.23 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.42 AU - 4 AU

Year: 3773 Days

Day: 8.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 26,059,369 km

• M1: 103,223 km (0.095 R)
• M2: 391,049 km (0.059 R)
• M3: 742,903 km (0.055 R)
• M4: 1,187,657 km (0.092 R)
• M5: 1,482,964 km (0.107 R)
• M6: 2,123,991 km (0.076 R)
• M7: 2,580,563 km (0.088 R)
• M8: 2,867,492 km (0.092 R)
• M9: 3,175,664 km (0.073 R)
• M10: 3,880,718 km (0.106 R)
• M11: 4,236,013 km (0.087 R)
• M12: 5,299,654 km (0.103 R)
• M13: 5,994,835 km (0.109 R)
• M14: 6,843,953 km (0.116 R)
• M15: 7,165,888 km (0.105 R)
• M16: 7,979,999 km (0.095 R)
• M17: 8,264,684 km (0.037 R)
• M18: 8,556,101 km (0.102 R)
• M19: 8,816,700 km (0.113 R)
• M20: 10,578,664 km (0.084 R)
• M21: 11,906,943 km (0.105 R)
• M22: 12,998,110 km (0.101 R)
• M23: 13,795,467 km (0.065 R)
• M24: 16,212,968 km (0.115 R)
• M25: 16,670,439 km (0.097 R)
• M26: 19,406,285 km (0.089 R)
• M27: 21,661,921 km (0.065 R)
• M28: 24,533,004 km (0.079 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 193 - 17,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit