🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.45 AU - 0.61 AU

Year: 249 Days

Day: 22.5 Hours

Environment

Temp: -119 °C

Axial Tilt: 22.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 88,287,389 km

• M1: 89,160 km (0.098 R)
• M2: 349,012 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35

Radius: 14

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.59 AU - 1.73 AU

Year: 1381 Days

Day: 6.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 88,287,389 km

• M1: 174,431 km (0.095 R)
• M2: 646,412 km (0.069 R)
• M3: 1,162,974 km (0.097 R)
• M4: 1,847,384 km (0.074 R)
• M5: 2,634,119 km (0.051 R)
• M6: 3,137,067 km (0.07 R)
• M7: 4,074,298 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761

Radius: 8.2

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.99 AU - 3.53 AU

Year: 3801 Days

Day: 5.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 88,287,389 km

• M1: 106,065 km (0.056 R)
• M2: 382,073 km (0.094 R)
• M3: 653,443 km (0.109 R)
• M4: 968,197 km (0.086 R)
• M5: 1,864,139 km (0.111 R)
• M6: 2,312,035 km (0.047 R)
• M7: 2,865,098 km (0.114 R)
• M8: 3,403,800 km (0.104 R)
• M9: 4,142,215 km (0.114 R)
• M10: 5,322,842 km (0.096 R)
• M11: 5,818,908 km (0.117 R)
• M12: 7,161,549 km (0.043 R)
• M13: 8,152,486 km (0.077 R)
• M14: 9,309,775 km (0.101 R)
• M15: 9,665,369 km (0.08 R)
• M16: 11,179,449 km (0.089 R)
• M17: 13,089,215 km (0.072 R)
• M18: 15,315,531 km (0.056 R)
• M19: 16,035,545 km (0.113 R)
• M20: 17,423,664 km (0.059 R)
• M21: 17,964,311 km (0.083 R)
• M22: 19,460,738 km (0.062 R)
• M23: 19,718,047 km (0.112 R)
• M24: 24,001,782 km (0.056 R)
• M25: 25,736,967 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.5

Radius: 14.9

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 5.08 AU - 6.56 AU

Year: 9066 Days

Day: 12.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 88,287,389 km

• M1: 185,352 km (0.12 R)
• M2: 734,825 km (0.095 R)
• M3: 1,419,385 km (0.073 R)
• M4: 2,160,343 km (0.087 R)
• M5: 3,314,640 km (0.112 R)
• M6: 4,225,541 km (0.109 R)
• M7: 6,248,553 km (0.116 R)
• M8: 7,640,262 km (0.109 R)
• M9: 9,187,703 km (0.088 R)
• M10: 9,835,611 km (0.084 R)
• M11: 12,014,953 km (0.096 R)
• M12: 13,272,024 km (0.092 R)
• M13: 15,200,939 km (0.073 R)
• M14: 17,245,942 km (0.117 R)
• M15: 18,571,229 km (0.105 R)
• M16: 21,126,660 km (0.076 R)
• M17: 28,256,046 km (0.12 R)
• M18: 30,378,989 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 314.9

Radius: 6.8

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 6.21 AU - 6.37 AU

Year: 10186 Days

Day: 19.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 88,287,389 km

• M1: 85,121 km (0.084 R)
• M2: 563,386 km (0.061 R)
• M3: 1,187,059 km (0.08 R)
• M4: 1,579,305 km (0.061 R)
• M5: 2,716,847 km (0.101 R)
• M6: 4,139,971 km (0.067 R)
• M7: 4,811,516 km (0.104 R)
• M8: 6,788,153 km (0.088 R)
• M9: 7,004,472 km (0.049 R)
• M10: 8,482,648 km (0.052 R)
• M11: 10,204,669 km (0.082 R)
• M12: 11,781,730 km (0.073 R)
• M13: 12,466,589 km (0.056 R)
• M14: 16,165,546 km (0.106 R)
• M15: 16,487,181 km (0.118 R)
• M16: 19,868,841 km (0.051 R)
• M17: 24,774,903 km (0.092 R)
• M18: 27,872,626 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857.2

Radius: 5.1

Gravity: 32.96 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 8.88 AU - 12.36 AU

Year: 22346 Days

Day: 23.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 88,287,389 km

• M1: 64,028 km (0.048 R)
• M2: 223,649 km (0.076 R)
• M3: 520,152 km (0.117 R)
• M4: 928,105 km (0.084 R)
• M5: 1,425,518 km (0.087 R)
• M6: 2,063,104 km (0.116 R)
• M7: 3,717,806 km (0.078 R)
• M8: 4,318,292 km (0.109 R)
• M9: 4,753,173 km (0.093 R)
• M10: 7,630,090 km (0.115 R)
• M11: 10,128,374 km (0.111 R)
• M12: 10,506,558 km (0.089 R)
• M13: 11,835,436 km (0.106 R)
• M14: 13,955,537 km (0.064 R)
• M15: 14,902,341 km (0.081 R)
• M16: 15,309,248 km (0.035 R)
• M17: 17,011,223 km (0.087 R)
• M18: 17,545,437 km (0.057 R)
• M19: 18,929,815 km (0.093 R)
• M20: 20,286,219 km (0.092 R)
• M21: 21,089,709 km (0.112 R)
• M22: 22,546,493 km (0.07 R)
• M23: 23,408,327 km (0.114 R)
• M24: 24,180,252 km (0.12 R)
• M25: 32,582,865 km (0.035 R)
• M26: 34,525,244 km (0.11 R)
• M27: 36,838,027 km (0.063 R)
• M28: 40,655,166 km (0.03 R)
• M29: 48,529,549 km (0.028 R)
• M30: 49,243,131 km (0.082 R)
• M31: 52,728,462 km (0.055 R)
• M32: 54,627,308 km (0.082 R)
• M33: 59,980,817 km (0.092 R)
• M34: 64,808,490 km (0.095 R)
• M35: 68,762,362 km (0.104 R)
• M36: 84,891,257 km (0.061 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 14,229 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit