🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.7

Radius: 8.5

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.6 AU - 1 AU

Year: 469 Days

Day: 5.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,776,440 km

• M1: 105,766 km (0.103 R)
• M2: 379,231 km (0.09 R)
• M3: 658,231 km (0.085 R)
• M4: 927,656 km (0.077 R)
• M5: 1,236,576 km (0.052 R)
• M6: 1,673,551 km (0.111 R)
• M7: 2,051,286 km (0.117 R)
• M8: 2,687,975 km (0.082 R)
• M9: 3,328,104 km (0.096 R)
• M10: 3,600,970 km (0.118 R)
• M11: 4,052,307 km (0.07 R)
• M12: 5,247,445 km (0.076 R)
• M13: 5,722,867 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212

Radius: 13.7

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.84 AU - 1.06 AU

Year: 607 Days

Day: 11.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,776,440 km

• M1: 170,392 km (0.092 R)
• M2: 632,350 km (0.119 R)
• M3: 1,154,297 km (0.076 R)
• M4: 1,739,674 km (0.113 R)
• M5: 2,547,502 km (0.117 R)
• M6: 4,573,805 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.1

Radius: 10.4

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.19 AU - 3.07 AU

Year: 2798 Days

Day: 10.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,776,440 km

• M1: 130,749 km (0.102 R)
• M2: 467,493 km (0.117 R)
• M3: 918,681 km (0.11 R)
• M4: 1,784,553 km (0.112 R)
• M5: 2,182,932 km (0.095 R)
• M6: 2,687,975 km (0.077 R)
• M7: 3,179,254 km (0.053 R)
• M8: 5,145,419 km (0.118 R)
• M9: 6,184,974 km (0.107 R)
• M10: 6,649,775 km (0.085 R)
• M11: 7,263,575 km (0.073 R)
• M12: 7,814,544 km (0.069 R)
• M13: 8,393,338 km (0.118 R)
• M14: 8,891,200 km (0.054 R)
• M15: 9,408,659 km (0.093 R)
• M16: 10,342,299 km (0.085 R)
• M17: 11,769,463 km (0.112 R)
• M18: 12,303,078 km (0.115 R)
• M19: 17,171,592 km (0.089 R)
• M20: 17,800,651 km (0.087 R)
• M21: 18,802,807 km (0.11 R)
• M22: 19,287,354 km (0.102 R)
• M23: 19,656,113 km (0.103 R)
• M24: 21,048,869 km (0.094 R)
• M25: 22,983,918 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.4

Radius: 9.8

Gravity: 8.51 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.35 AU - 4.63 AU

Year: 5228 Days

Day: 8.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,776,440 km

• M1: 121,922 km (0.114 R)
• M2: 491,429 km (0.088 R)
• M3: 1,045,390 km (0.08 R)
• M4: 1,787,096 km (0.102 R)
• M5: 2,117,259 km (0.077 R)
• M6: 2,610,034 km (0.053 R)
• M7: 3,667,392 km (0.032 R)
• M8: 4,933,439 km (0.12 R)
• M9: 5,414,246 km (0.093 R)
• M10: 6,051,084 km (0.11 R)
• M11: 8,381,071 km (0.071 R)
• M12: 9,659,235 km (0.081 R)
• M13: 10,009,145 km (0.118 R)
• M14: 10,642,093 km (0.034 R)
• M15: 10,968,366 km (0.106 R)
• M16: 12,701,308 km (0.119 R)
• M17: 15,306,106 km (0.117 R)
• M18: 15,662,448 km (0.026 R)
• M19: 16,639,771 km (0.119 R)
• M20: 17,592,560 km (0.07 R)
• M21: 19,886,195 km (0.089 R)
• M22: 20,453,470 km (0.107 R)
• M23: 21,546,432 km (0.118 R)
• M24: 21,994,328 km (0.082 R)
• M25: 22,524,652 km (0.086 R)
• M26: 26,564,393 km (0.063 R)
• M27: 29,571,759 km (0.113 R)
• M28: 30,779,463 km (0.075 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.8

Radius: 3.1

Gravity: 57 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 6.35 AU - 7.13 AU

Year: 11479 Days

Day: 23.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 48,776,440 km

• M1: 38,596 km (0.091 R)
• M2: 196,572 km (0.11 R)
• M3: 464,651 km (0.088 R)
• M4: 755,320 km (0.113 R)
• M5: 1,085,632 km (0.102 R)
• M6: 1,421,329 km (0.042 R)
• M7: 1,711,699 km (0.069 R)
• M8: 1,838,259 km (0.073 R)
• M9: 1,988,156 km (0.062 R)
• M10: 2,237,535 km (0.077 R)
• M11: 2,487,364 km (0.045 R)
• M12: 3,496,850 km (0.093 R)
• M13: 4,690,342 km (0.054 R)
• M14: 5,098,595 km (0.057 R)
• M15: 5,428,608 km (0.091 R)
• M16: 5,772,533 km (0.074 R)
• M17: 6,204,123 km (0.106 R)
• M18: 6,970,812 km (0.091 R)
• M19: 8,325,570 km (0.111 R)
• M20: 9,064,434 km (0.116 R)
• M21: 9,449,798 km (0.118 R)
• M22: 9,696,186 km (0.088 R)
• M23: 10,992,601 km (0.061 R)
• M24: 13,361,483 km (0.049 R)
• M25: 13,923,523 km (0.028 R)
• M26: 14,501,120 km (0.055 R)
• M27: 15,094,425 km (0.095 R)
• M28: 15,498,938 km (0.081 R)
• M29: 18,611,471 km (0.11 R)
• M30: 19,948,876 km (0.085 R)
• M31: 21,264,889 km (0.111 R)
• M32: 22,989,752 km (0.064 R)
• M33: 24,068,203 km (0.095 R)
• M34: 33,478,956 km (0.089 R)
• M35: 42,889,710 km (0.095 R)
• M36: 44,796,035 km (0.058 R)
• M37: 46,191,634 km (0.082 R)
• M38: 47,185,712 km (0.101 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 14,678 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit