🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.86 AU - 0.86 AU

Year: 302 Days

Day: 46.8 Hours

Environment

Temp: 36 °C

Axial Tilt: 9.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.17 AU - 1.41 AU

Year: 555 Days

Day: 39.5 Hours

Environment

Temp: -29 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 86,224,688 km

• M1: 186,997 km (0.057 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.29 AU - 3.17 AU

Year: 1708 Days

Day: 38.1 Hours

Environment

Temp: -100 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.2

Radius: 8.8

Gravity: 9.97 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 5.41 AU - 5.95 AU

Year: 5127 Days

Day: 14.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 86,224,688 km

• M1: 109,506 km (0.06 R)
• M2: 522,695 km (0.096 R)
• M3: 977,921 km (0.115 R)
• M4: 1,264,401 km (0.063 R)
• M5: 1,941,032 km (0.11 R)
• M6: 2,878,113 km (0.104 R)
• M7: 3,501,039 km (0.079 R)
• M8: 4,114,241 km (0.046 R)
• M9: 7,267,315 km (0.113 R)
• M10: 8,263,786 km (0.098 R)
• M11: 9,687,958 km (0.119 R)
• M12: 11,652,926 km (0.073 R)
• M13: 12,195,518 km (0.089 R)
• M14: 12,703,253 km (0.059 R)
• M15: 14,479,428 km (0.086 R)
• M16: 14,762,318 km (0.088 R)
• M17: 15,811,298 km (0.083 R)
• M18: 16,111,391 km (0.086 R)
• M19: 17,992,136 km (0.113 R)
• M20: 21,008,627 km (0.042 R)
• M21: 25,151,890 km (0.102 R)
• M22: 26,141,330 km (0.088 R)
• M23: 29,809,321 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348

Radius: 11.7

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.24 AU - 8.38 AU

Year: 6731 Days

Day: 11.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 86,224,688 km

• M1: 145,559 km (0.101 R)
• M2: 524,789 km (0.075 R)
• M3: 991,235 km (0.07 R)
• M4: 1,420,282 km (0.057 R)
• M5: 2,116,062 km (0.105 R)
• M6: 2,826,801 km (0.119 R)
• M7: 3,258,391 km (0.109 R)
• M8: 4,671,792 km (0.105 R)
• M9: 5,417,388 km (0.077 R)
• M10: 5,819,058 km (0.039 R)
• M11: 6,554,182 km (0.119 R)
• M12: 8,025,327 km (0.072 R)
• M13: 8,780,049 km (0.118 R)
• M14: 9,417,485 km (0.044 R)
• M15: 10,474,993 km (0.109 R)
• M16: 11,563,018 km (0.089 R)
• M17: 12,231,720 km (0.1 R)
• M18: 12,976,568 km (0.095 R)
• M19: 16,558,240 km (0.11 R)
• M20: 17,718,521 km (0.108 R)
• M21: 19,063,107 km (0.05 R)
• M22: 19,592,983 km (0.081 R)
• M23: 20,132,433 km (0.102 R)
• M24: 21,453,681 km (0.096 R)
• M25: 22,099,345 km (0.099 R)
• M26: 24,268,365 km (0.035 R)
• M27: 24,812,452 km (0.116 R)
• M28: 26,330,422 km (0.087 R)
• M29: 28,335,183 km (0.068 R)
• M30: 29,374,888 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 715.6

Radius: 3

Gravity: 79.51 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 13.17 AU - 14.61 AU

Year: 19607 Days

Day: 24.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 86,224,688 km

• M1: 37,848 km (0.063 R)
• M2: 153,188 km (0.114 R)
• M3: 250,726 km (0.108 R)
• M4: 361,129 km (0.095 R)
• M5: 601,982 km (0.046 R)
• M6: 1,314,965 km (0.088 R)
• M7: 1,486,853 km (0.095 R)
• M8: 1,709,006 km (0.09 R)
• M9: 2,072,978 km (0.095 R)
• M10: 2,824,109 km (0.105 R)
• M11: 3,110,289 km (0.095 R)
• M12: 5,760,266 km (0.108 R)
• M13: 6,436,149 km (0.074 R)
• M14: 7,595,682 km (0.086 R)
• M15: 8,941,764 km (0.12 R)
• M16: 10,258,225 km (0.116 R)
• M17: 10,621,898 km (0.099 R)
• M18: 11,503,478 km (0.034 R)
• M19: 12,028,566 km (0.11 R)
• M20: 14,214,490 km (0.12 R)
• M21: 14,742,272 km (0.031 R)
• M22: 15,677,408 km (0.082 R)
• M23: 22,736,483 km (0.1 R)
• M24: 24,621,416 km (0.089 R)
• M25: 26,834,866 km (0.095 R)
• M26: 30,028,481 km (0.079 R)
• M27: 38,881,235 km (0.033 R)
• M28: 43,895,606 km (0.113 R)
• M29: 54,815,353 km (0.086 R)
• M30: 61,093,377 km (0.114 R)
• M31: 67,833,808 km (0.071 R)
• M32: 70,186,235 km (0.115 R)
• M33: 72,592,367 km (0.095 R)
• M34: 75,733,473 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 471.1

Radius: 4.6

Gravity: 22.26 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 16.57 AU - 19.57 AU

Year: 29093 Days

Day: 19.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 86,224,688 km

• M1: 57,595 km (0.049 R)
• M2: 303,983 km (0.04 R)
• M3: 511,176 km (0.12 R)
• M4: 1,469,201 km (0.108 R)
• M5: 1,753,287 km (0.076 R)
• M6: 2,314,578 km (0.114 R)
• M7: 6,171,511 km (0.058 R)
• M8: 6,441,236 km (0.028 R)
• M9: 9,118,140 km (0.102 R)
• M10: 9,468,049 km (0.066 R)
• M11: 12,958,317 km (0.101 R)
• M12: 14,708,463 km (0.093 R)
• M13: 19,519,530 km (0.08 R)
• M14: 23,830,342 km (0.056 R)
• M15: 27,753,098 km (0.096 R)
• M16: 28,487,324 km (0.083 R)
• M17: 33,854,148 km (0.096 R)
• M18: 34,411,101 km (0.066 R)
• M19: 37,733,520 km (0.098 R)
• M20: 45,007,417 km (0.073 R)
• M21: 49,148,735 km (0.07 R)
• M22: 50,583,827 km (0.101 R)
• M23: 52,974,850 km (0.078 R)
• M24: 53,914,175 km (0.059 R)
• M25: 57,782,626 km (0.099 R)
• M26: 58,978,362 km (0.107 R)
• M27: 71,170,738 km (0.105 R)
• M28: 74,637,220 km (0.084 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: 256 - 18,429 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit