🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272

Radius: 14.3

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.46 AU - 0.7 AU

Year: 305 Days

Day: 9 Hours

Environment

Temp: -147 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 71,172,214 km

• M1: 177,872 km (0.094 R)
• M2: 682,765 km (0.039 R)
• M3: 1,154,148 km (0.111 R)
• M4: 1,725,163 km (0.096 R)
• M5: 2,310,240 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201

Radius: 9.8

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.64 AU - 0.88 AU

Year: 457 Days

Day: 9.5 Hours

Environment

Temp: -164 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,172,214 km

• M1: 125,812 km (0.064 R)
• M2: 649,105 km (0.103 R)
• M3: 1,212,042 km (0.084 R)
• M4: 2,447,272 km (0.091 R)
• M5: 3,320,923 km (0.094 R)
• M6: 3,650,786 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.6

Radius: 13.7

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.25 AU - 4.77 AU

Year: 5543 Days

Day: 12.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 86.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,172,214 km

• M1: 170,990 km (0.034 R)
• M2: 651,798 km (0.11 R)
• M3: 1,202,767 km (0.113 R)
• M4: 1,943,576 km (0.068 R)
• M5: 2,746,019 km (0.098 R)
• M6: 3,717,507 km (0.118 R)
• M7: 6,902,296 km (0.076 R)
• M8: 7,849,699 km (0.056 R)
• M9: 8,281,589 km (0.099 R)
• M10: 10,255,383 km (0.057 R)
• M11: 14,949,315 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.8

Radius: 10.7

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.49 AU - 6.47 AU

Year: 8855 Days

Day: 7.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,172,214 km

• M1: 162,014 km (0.115 R)
• M2: 650,601 km (0.086 R)
• M3: 1,047,484 km (0.107 R)
• M4: 1,982,770 km (0.111 R)
• M5: 4,083,423 km (0.052 R)
• M6: 4,584,876 km (0.105 R)
• M7: 7,327,902 km (0.071 R)
• M8: 9,947,959 km (0.057 R)
• M9: 10,962,532 km (0.101 R)
• M10: 13,799,506 km (0.11 R)
• M11: 15,519,134 km (0.098 R)
• M12: 17,737,072 km (0.085 R)
• M13: 21,530,874 km (0.067 R)
• M14: 24,912,683 km (0.061 R)
• M15: 27,548,747 km (0.116 R)
• M16: 38,723,409 km (0.101 R)
• M17: 40,460,390 km (0.045 R)
• M18: 41,348,103 km (0.089 R)
• M19: 42,638,684 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 943.7

Radius: 7.4

Gravity: 17.23 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 7.26 AU - 8.36 AU

Year: 15066 Days

Day: 21 Hours

Environment

Temp: -242 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,172,214 km

• M1: 92,152 km (0.048 R)
• M2: 429,944 km (0.106 R)
• M3: 712,983 km (0.106 R)
• M4: 1,035,666 km (0.06 R)
• M5: 1,266,496 km (0.117 R)
• M6: 2,364,394 km (0.074 R)
• M7: 2,843,407 km (0.12 R)
• M8: 3,412,776 km (0.062 R)
• M9: 5,893,857 km (0.089 R)
• M10: 6,302,259 km (0.06 R)
• M11: 7,882,013 km (0.104 R)
• M12: 8,327,515 km (0.068 R)
• M13: 9,653,551 km (0.115 R)
• M14: 10,279,318 km (0.103 R)
• M15: 13,539,206 km (0.115 R)
• M16: 14,106,331 km (0.083 R)
• M17: 18,442,276 km (0.101 R)
• M18: 18,788,445 km (0.077 R)
• M19: 23,591,435 km (0.104 R)
• M20: 23,999,538 km (0.079 R)
• M21: 25,252,121 km (0.078 R)
• M22: 26,110,962 km (0.117 R)
• M23: 26,657,593 km (0.09 R)
• M24: 27,547,999 km (0.102 R)
• M25: 31,431,111 km (0.095 R)
• M26: 33,310,958 km (0.112 R)
• M27: 41,138,816 km (0.063 R)
• M28: 49,440,301 km (0.077 R)
• M29: 50,276,703 km (0.1 R)
• M30: 58,791,963 km (0.073 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 596.6

Radius: 3.5

Gravity: 48.7 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 7.69 AU - 10.79 AU

Year: 19387 Days

Day: 23.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,172,214 km

• M1: 44,431 km (0.111 R)
• M2: 196,272 km (0.113 R)
• M3: 357,240 km (0.094 R)
• M4: 978,520 km (0.119 R)
• M5: 1,571,675 km (0.086 R)
• M6: 2,203,726 km (0.048 R)
• M7: 6,020,267 km (0.066 R)
• M8: 6,311,534 km (0.107 R)
• M9: 7,763,232 km (0.079 R)
• M10: 8,618,333 km (0.075 R)
• M11: 9,204,009 km (0.083 R)
• M12: 9,987,154 km (0.12 R)
• M13: 12,468,085 km (0.095 R)
• M14: 16,030,160 km (0.048 R)
• M15: 16,267,871 km (0.065 R)
• M16: 20,492,814 km (0.088 R)
• M17: 20,866,809 km (0.07 R)
• M18: 23,106,438 km (0.107 R)
• M19: 27,600,209 km (0.037 R)
• M20: 28,056,333 km (0.091 R)
• M21: 31,390,720 km (0.063 R)
• M22: 34,847,029 km (0.09 R)
• M23: 50,187,094 km (0.109 R)
• M24: 51,036,959 km (0.054 R)
• M25: 51,723,763 km (0.117 R)
• M26: 69,059,613 km (0.119 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 17,247 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit