🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.82 AU - 0.98 AU

Year: 390 Days

Day: 24 Hours

Environment

Temp: -56 °C

Axial Tilt: 114.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.43 AU - 1.49 AU

Year: 805 Days

Day: 43.4 Hours

Environment

Temp: -112 °C

Axial Tilt: 135.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.2 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.8

Radius: 12.2

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.51 AU - 3.35 AU

Year: 2290 Days

Day: 13.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,538,363 km

• M1: 151,692 km (0.068 R)
• M2: 618,587 km (0.087 R)
• M3: 1,014,872 km (0.03 R)
• M4: 1,805,945 km (0.103 R)
• M5: 2,263,865 km (0.103 R)
• M6: 2,661,496 km (0.114 R)
• M7: 3,294,444 km (0.062 R)
• M8: 4,527,729 km (0.112 R)
• M9: 5,094,855 km (0.088 R)
• M10: 6,909,776 km (0.098 R)
• M11: 7,295,140 km (0.11 R)
• M12: 8,639,277 km (0.098 R)
• M13: 10,104,588 km (0.104 R)
• M14: 10,719,286 km (0.065 R)
• M15: 12,846,418 km (0.032 R)
• M16: 14,033,028 km (0.11 R)
• M17: 14,652,962 km (0.115 R)
• M18: 15,743,830 km (0.103 R)
• M19: 16,728,931 km (0.116 R)
• M20: 17,480,661 km (0.103 R)
• M21: 18,142,931 km (0.046 R)
• M22: 19,109,482 km (0.118 R)
• M23: 19,576,228 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 294.2

Radius: 14.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.53 AU - 3.37 AU

Year: 2313 Days

Day: 11.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,538,363 km

• M1: 184,005 km (0.066 R)
• M2: 790,625 km (0.047 R)
• M3: 1,329,327 km (0.118 R)
• M4: 2,660,748 km (0.079 R)
• M5: 4,505,289 km (0.113 R)
• M6: 5,328,527 km (0.072 R)
• M7: 8,067,364 km (0.11 R)
• M8: 9,887,222 km (0.11 R)
• M9: 11,138,160 km (0.074 R)
• M10: 12,340,628 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.2

Radius: 8.3

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.21 AU - 4.57 AU

Year: 3503 Days

Day: 9.2 Hours

Environment

Temp: -171 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,538,363 km

• M1: 103,223 km (0.074 R)
• M2: 395,387 km (0.079 R)
• M3: 761,453 km (0.068 R)
• M4: 1,031,178 km (0.037 R)
• M5: 1,333,515 km (0.092 R)
• M6: 1,803,103 km (0.091 R)
• M7: 2,670,621 km (0.093 R)
• M8: 3,980,051 km (0.044 R)
• M9: 4,795,210 km (0.105 R)
• M10: 5,159,032 km (0.113 R)
• M11: 5,694,892 km (0.084 R)
• M12: 6,877,762 km (0.113 R)
• M13: 8,388,102 km (0.044 R)
• M14: 8,798,000 km (0.077 R)
• M15: 9,129,210 km (0.113 R)
• M16: 9,594,459 km (0.111 R)
• M17: 9,945,566 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.5

Radius: 12

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.72 AU - 4.28 AU

Year: 3653 Days

Day: 10.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,538,363 km

• M1: 149,299 km (0.1 R)
• M2: 782,995 km (0.057 R)
• M3: 1,550,283 km (0.07 R)
• M4: 2,038,421 km (0.103 R)
• M5: 2,614,672 km (0.091 R)
• M6: 3,151,878 km (0.076 R)
• M7: 5,542,152 km (0.119 R)
• M8: 6,304,353 km (0.119 R)
• M9: 7,079,570 km (0.045 R)
• M10: 7,797,939 km (0.118 R)
• M11: 11,783,974 km (0.082 R)
• M12: 12,221,248 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267

Radius: 11.7

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.84 AU - 5.26 AU

Year: 5181 Days

Day: 9.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,538,363 km

• M1: 145,559 km (0.11 R)
• M2: 521,947 km (0.097 R)
• M3: 1,166,564 km (0.068 R)
• M4: 2,176,948 km (0.096 R)
• M5: 2,596,570 km (0.096 R)
• M6: 3,035,790 km (0.093 R)
• M7: 3,899,717 km (0.075 R)
• M8: 4,801,643 km (0.053 R)
• M9: 6,251,845 km (0.09 R)
• M10: 7,646,845 km (0.051 R)
• M11: 8,627,010 km (0.104 R)
• M12: 11,765,424 km (0.098 R)
• M13: 12,383,861 km (0.081 R)
• M14: 13,637,791 km (0.099 R)
• M15: 14,771,144 km (0.119 R)
• M16: 16,396,824 km (0.073 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.2

Radius: 14.4

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 4.18 AU - 6.44 AU

Year: 5587 Days

Day: 5.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 71,538,363 km

• M1: 179,069 km (0.101 R)
• M2: 1,013,376 km (0.086 R)
• M3: 1,648,868 km (0.037 R)
• M4: 3,817,588 km (0.067 R)
• M5: 4,925,659 km (0.059 R)
• M6: 5,787,642 km (0.105 R)
• M7: 7,583,565 km (0.098 R)
• M8: 8,324,822 km (0.102 R)
• M9: 9,906,969 km (0.109 R)
• M10: 21,383,220 km (0.035 R)
• M11: 22,704,918 km (0.086 R)
• M12: 30,624,031 km (0.037 R)
• M13: 32,604,706 km (0.096 R)
• M14: 34,040,995 km (0.117 R)
• M15: 35,519,172 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275.4

Radius: 8

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 15.61 AU - 16.05 AU

Year: 28756 Days

Day: 15.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,538,363 km

• M1: 99,632 km (0.104 R)
• M2: 370,704 km (0.088 R)
• M3: 1,003,203 km (0.105 R)
• M4: 1,256,323 km (0.026 R)
• M5: 1,718,730 km (0.108 R)
• M6: 2,932,118 km (0.075 R)
• M7: 3,404,848 km (0.084 R)
• M8: 5,544,845 km (0.064 R)
• M9: 5,819,058 km (0.098 R)
• M10: 6,652,917 km (0.114 R)
• M11: 8,975,872 km (0.098 R)
• M12: 9,409,706 km (0.099 R)
• M13: 9,800,605 km (0.081 R)
• M14: 10,144,381 km (0.101 R)
• M15: 10,735,143 km (0.073 R)
• M16: 11,537,137 km (0.098 R)
• M17: 14,401,637 km (0.047 R)
• M18: 17,373,698 km (0.08 R)
• M19: 18,047,786 km (0.094 R)
• M20: 18,477,880 km (0.119 R)
• M21: 20,174,619 km (0.09 R)
• M22: 23,978,295 km (0.097 R)
• M23: 27,210,805 km (0.106 R)
• M24: 28,119,463 km (0.105 R)
• M25: 30,479,519 km (0.086 R)
• M26: 32,333,934 km (0.1 R)
• M27: 35,188,112 km (0.104 R)
• M28: 38,065,029 km (0.072 R)
• M29: 44,438,047 km (0.055 R)
• M30: 47,957,936 km (0.088 R)
• M31: 49,282,625 km (0.108 R)
• M32: 57,191,864 km (0.041 R)
• M33: 63,106,665 km (0.054 R)
• M34: 66,313,295 km (0.067 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 14,445 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit