🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.92 AU - 1.32 AU

Year: 442 Days

Day: 47.6 Hours

Environment

Temp: 10 °C

Axial Tilt: 47.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 3.16 AU - 5.12 AU

Year: 3140 Days

Day: 45.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.63 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.3

Radius: 9.8

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 6.96 AU - 7.28 AU

Year: 7082 Days

Day: 6.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 96,091,655 km

• M1: 122,670 km (0.09 R)
• M2: 576,700 km (0.047 R)
• M3: 933,790 km (0.037 R)
• M4: 1,465,311 km (0.079 R)
• M5: 1,880,744 km (0.082 R)
• M6: 2,255,337 km (0.112 R)
• M7: 3,115,076 km (0.034 R)
• M8: 3,438,507 km (0.109 R)
• M9: 3,760,741 km (0.078 R)
• M10: 4,823,035 km (0.057 R)
• M11: 5,139,584 km (0.118 R)
• M12: 6,107,333 km (0.073 R)
• M13: 7,683,496 km (0.092 R)
• M14: 9,205,355 km (0.048 R)
• M15: 10,869,931 km (0.116 R)
• M16: 12,672,136 km (0.097 R)
• M17: 13,902,130 km (0.116 R)
• M18: 14,905,633 km (0.086 R)
• M19: 15,705,233 km (0.091 R)
• M20: 16,211,323 km (0.12 R)
• M21: 17,726,899 km (0.107 R)
• M22: 21,267,282 km (0.116 R)
• M23: 22,678,140 km (0.035 R)
• M24: 23,818,075 km (0.088 R)
• M25: 29,518,951 km (0.044 R)
• M26: 33,404,905 km (0.091 R)
• M27: 33,717,266 km (0.105 R)
• M28: 35,308,389 km (0.096 R)
• M29: 36,067,897 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 18.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.4

Radius: 4.1

Gravity: 35 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 14.58 AU - 23.2 AU

Year: 30606 Days

Day: 16.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 96,091,655 km

• M1: 51,013 km (0.048 R)
• M2: 185,801 km (0.118 R)
• M3: 1,073,215 km (0.102 R)
• M4: 1,281,007 km (0.076 R)
• M5: 1,777,522 km (0.112 R)
• M6: 2,135,809 km (0.062 R)
• M7: 2,296,776 km (0.055 R)
• M8: 2,801,669 km (0.098 R)
• M9: 2,938,701 km (0.07 R)
• M10: 3,226,228 km (0.098 R)
• M11: 3,377,022 km (0.09 R)
• M12: 3,692,524 km (0.043 R)
• M13: 4,202,354 km (0.102 R)
• M14: 4,757,661 km (0.098 R)
• M15: 4,913,542 km (0.108 R)
• M16: 5,789,438 km (0.077 R)
• M17: 8,172,980 km (0.118 R)
• M18: 9,456,231 km (0.117 R)
• M19: 10,469,906 km (0.104 R)
• M20: 14,668,969 km (0.086 R)
• M21: 17,457,623 km (0.054 R)
• M22: 17,735,875 km (0.109 R)
• M23: 21,309,469 km (0.092 R)
• M24: 21,627,215 km (0.041 R)
• M25: 27,400,047 km (0.092 R)
• M26: 38,480,761 km (0.078 R)
• M27: 43,198,031 km (0.115 R)
• M28: 45,083,712 km (0.055 R)
• M29: 45,432,425 km (0.065 R)
• M30: 50,129,648 km (0.063 R)
• M31: 50,316,496 km (0.117 R)
• M32: 51,828,182 km (0.046 R)
• M33: 54,348,757 km (0.105 R)
• M34: 59,423,266 km (0.03 R)
• M35: 70,971,324 km (0.071 R)
• M36: 72,870,768 km (0.076 R)
• M37: 86,318,420 km (0.061 R)
• M38: 89,302,299 km (0.067 R)
• M39: 91,794,151 km (0.067 R)
• M40: 95,474,857 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 19.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557.6

Radius: 5.6

Gravity: 17.78 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 18.37 AU - 20.11 AU

Year: 31460 Days

Day: 15.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 96,091,655 km

• M1: 71,807 km (0.101 R)
• M2: 400,174 km (0.118 R)
• M3: 602,131 km (0.104 R)
• M4: 1,331,720 km (0.106 R)
• M5: 1,534,276 km (0.12 R)
• M6: 1,917,994 km (0.099 R)
• M7: 2,315,925 km (0.115 R)
• M8: 2,875,271 km (0.116 R)
• M9: 3,744,734 km (0.06 R)
• M10: 4,186,646 km (0.034 R)
• M11: 4,475,370 km (0.073 R)
• M12: 4,662,517 km (0.111 R)
• M13: 5,422,175 km (0.082 R)
• M14: 9,912,205 km (0.054 R)
• M15: 10,622,646 km (0.085 R)
• M16: 12,362,768 km (0.096 R)
• M17: 12,583,574 km (0.112 R)
• M18: 12,957,569 km (0.086 R)
• M19: 13,649,160 km (0.082 R)
• M20: 14,203,869 km (0.056 R)
• M21: 16,484,937 km (0.075 R)
• M22: 20,092,939 km (0.118 R)
• M23: 21,333,255 km (0.095 R)
• M24: 22,733,640 km (0.086 R)
• M25: 24,655,823 km (0.112 R)
• M26: 32,583,613 km (0.091 R)
• M27: 34,728,248 km (0.119 R)
• M28: 39,296,369 km (0.117 R)
• M29: 45,637,074 km (0.117 R)
• M30: 45,988,480 km (0.034 R)
• M31: 61,786,464 km (0.082 R)
• M32: 62,001,137 km (0.116 R)
• M33: 65,953,064 km (0.101 R)
• M34: 83,966,293 km (0.065 R)
• M35: 86,358,064 km (0.096 R)
• M36: 87,706,389 km (0.082 R)
• M37: 92,114,889 km (0.039 R)
• M38: 94,658,501 km (0.089 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 18,063 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit