🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.6

Radius: 13.4

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.82 AU - 0.82 AU

Year: 479 Days

Day: 9.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,663,474 km

• M1: 187,147 km (0.093 R)
• M2: 625,170 km (0.09 R)
• M3: 1,145,321 km (0.087 R)
• M4: 1,692,251 km (0.083 R)
• M5: 2,316,074 km (0.095 R)
• M6: 2,817,377 km (0.037 R)
• M7: 3,278,587 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.3

Radius: 11.2

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.02 AU - 1.28 AU

Year: 796 Days

Day: 11.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 59,663,474 km

• M1: 139,425 km (0.049 R)
• M2: 674,986 km (0.079 R)
• M3: 1,095,505 km (0.104 R)
• M4: 1,519,166 km (0.119 R)
• M5: 1,908,420 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 814.5

Radius: 10.5

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.42 AU - 2.62 AU

Year: 2583 Days

Day: 5.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,663,474 km

• M1: 130,599 km (0.101 R)
• M2: 575,054 km (0.085 R)
• M3: 1,109,418 km (0.057 R)
• M4: 1,757,775 km (0.08 R)
• M5: 2,161,839 km (0.059 R)
• M6: 2,567,847 km (0.119 R)
• M7: 2,958,597 km (0.12 R)
• M8: 3,299,680 km (0.099 R)
• M9: 3,629,244 km (0.055 R)
• M10: 4,376,635 km (0.077 R)
• M11: 5,150,954 km (0.097 R)
• M12: 5,495,328 km (0.088 R)
• M13: 5,855,261 km (0.071 R)
• M14: 7,674,072 km (0.071 R)
• M15: 9,917,292 km (0.08 R)
• M16: 10,491,299 km (0.081 R)
• M17: 11,538,783 km (0.113 R)
• M18: 11,959,602 km (0.11 R)
• M19: 13,102,230 km (0.109 R)
• M20: 15,099,511 km (0.088 R)
• M21: 15,603,507 km (0.085 R)
• M22: 16,118,572 km (0.108 R)
• M23: 17,511,179 km (0.096 R)
• M24: 19,569,645 km (0.089 R)
• M25: 20,473,217 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652

Radius: 13.1

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.43 AU - 3.75 AU

Year: 3507 Days

Day: 11.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,663,474 km

• M1: 166,652 km (0.083 R)
• M2: 596,297 km (0.047 R)
• M3: 1,007,392 km (0.119 R)
• M4: 1,925,325 km (0.09 R)
• M5: 2,504,119 km (0.095 R)
• M6: 2,987,170 km (0.075 R)
• M7: 3,494,157 km (0.094 R)
• M8: 4,079,534 km (0.094 R)
• M9: 5,579,402 km (0.109 R)
• M10: 6,097,160 km (0.03 R)
• M11: 6,646,783 km (0.088 R)
• M12: 7,103,954 km (0.114 R)
• M13: 8,638,828 km (0.104 R)
• M14: 9,333,710 km (0.1 R)
• M15: 13,096,246 km (0.04 R)
• M16: 17,422,916 km (0.09 R)
• M17: 20,127,646 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 34.9

Radius: 5.9

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 6.58 AU - 9.4 AU

Year: 14583 Days

Day: 18.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,663,474 km

• M1: 73,602 km (0.096 R)
• M2: 293,511 km (0.094 R)
• M3: 4,073,400 km (0.116 R)
• M4: 6,213,847 km (0.081 R)
• M5: 8,399,172 km (0.078 R)
• M6: 11,218,494 km (0.036 R)
• M7: 11,867,150 km (0.091 R)
• M8: 13,381,679 km (0.112 R)
• M9: 15,915,269 km (0.099 R)
• M10: 17,068,668 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 41.1

Radius: 5.4

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 6.46 AU - 10.72 AU

Year: 16256 Days

Day: 17 Hours

Environment

Temp: -227 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,663,474 km

• M1: 68,067 km (0.095 R)
• M2: 236,365 km (0.098 R)
• M3: 980,315 km (0.097 R)
• M4: 1,590,375 km (0.048 R)
• M5: 2,425,131 km (0.052 R)
• M6: 4,562,885 km (0.106 R)
• M7: 6,294,031 km (0.059 R)
• M8: 6,723,975 km (0.117 R)
• M9: 7,574,140 km (0.036 R)
• M10: 10,809,793 km (0.09 R)
• M11: 11,697,207 km (0.117 R)
• M12: 12,111,892 km (0.098 R)
• M13: 12,536,451 km (0.055 R)
• M14: 18,063,943 km (0.113 R)
• M15: 21,285,982 km (0.09 R)
• M16: 22,252,534 km (0.094 R)
• M17: 24,795,997 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 473

Radius: 7.9

Gravity: 7.58 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 6.61 AU - 10.89 AU

Year: 16712 Days

Day: 23.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,663,474 km

• M1: 98,435 km (0.079 R)
• M2: 984,952 km (0.045 R)
• M3: 1,722,619 km (0.101 R)
• M4: 2,808,401 km (0.099 R)
• M5: 4,448,592 km (0.113 R)
• M6: 5,526,145 km (0.1 R)
• M7: 7,020,628 km (0.07 R)
• M8: 8,717,517 km (0.119 R)
• M9: 10,226,211 km (0.119 R)
• M10: 11,840,821 km (0.117 R)
• M11: 25,835,253 km (0.086 R)
• M12: 45,430,330 km (0.074 R)
• M13: 46,329,862 km (0.119 R)
• M14: 57,544,766 km (0.08 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 538 - 18,596 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit