🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.59 AU - 0.67 AU

Year: 323 Days

Day: 20.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,139,149 km

• M1: 128,654 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.7

Radius: 11.5

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.8 AU - 0.88 AU

Year: 497 Days

Day: 13.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,139,149 km

• M1: 143,016 km (0.102 R)
• M2: 647,310 km (0.091 R)
• M3: 1,026,391 km (0.117 R)
• M4: 1,414,897 km (0.112 R)
• M5: 1,983,219 km (0.111 R)
• M6: 2,465,373 km (0.04 R)
• M7: 3,365,055 km (0.117 R)
• M8: 4,042,733 km (0.103 R)
• M9: 4,543,587 km (0.087 R)
• M10: 5,069,872 km (0.089 R)
• M11: 5,486,951 km (0.103 R)
• M12: 5,874,858 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202

Radius: 10.7

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.05 AU - 1.17 AU

Year: 755 Days

Day: 6.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 68.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,139,149 km

• M1: 132,993 km (0.037 R)
• M2: 533,765 km (0.113 R)
• M3: 915,838 km (0.109 R)
• M4: 1,282,203 km (0.071 R)
• M5: 1,770,042 km (0.097 R)
• M6: 2,108,582 km (0.086 R)
• M7: 2,472,105 km (0.06 R)
• M8: 3,315,986 km (0.035 R)
• M9: 3,723,341 km (0.101 R)
• M10: 4,383,517 km (0.087 R)
• M11: 5,229,343 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.5

Radius: 13.5

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 2.51 AU - 2.85 AU

Year: 2833 Days

Day: 10.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,139,149 km

• M1: 168,746 km (0.104 R)
• M2: 606,619 km (0.072 R)
• M3: 1,100,442 km (0.119 R)
• M4: 1,765,554 km (0.111 R)
• M5: 2,253,243 km (0.103 R)
• M6: 3,306,113 km (0.076 R)
• M7: 3,736,057 km (0.114 R)
• M8: 4,182,457 km (0.115 R)
• M9: 7,190,422 km (0.028 R)
• M10: 7,885,902 km (0.098 R)
• M11: 8,591,107 km (0.112 R)
• M12: 9,156,437 km (0.097 R)
• M13: 9,859,846 km (0.061 R)
• M14: 10,639,101 km (0.107 R)
• M15: 11,291,647 km (0.098 R)
• M16: 14,614,066 km (0.106 R)
• M17: 16,417,768 km (0.119 R)
• M18: 16,959,462 km (0.082 R)
• M19: 19,365,744 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.6

Radius: 12.7

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.78 AU - 3.82 AU

Year: 3871 Days

Day: 8 Hours

Environment

Temp: -215 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,139,149 km

• M1: 159,322 km (0.09 R)
• M2: 605,123 km (0.072 R)
• M3: 1,131,409 km (0.084 R)
• M4: 1,691,503 km (0.103 R)
• M5: 2,130,573 km (0.112 R)
• M6: 2,871,830 km (0.026 R)
• M7: 3,463,789 km (0.092 R)
• M8: 3,865,908 km (0.115 R)
• M9: 4,971,885 km (0.053 R)
• M10: 6,217,288 km (0.113 R)
• M11: 7,280,629 km (0.107 R)
• M12: 10,663,785 km (0.042 R)
• M13: 11,709,025 km (0.106 R)
• M14: 12,329,408 km (0.12 R)
• M15: 13,740,265 km (0.102 R)
• M16: 15,200,191 km (0.078 R)
• M17: 15,823,715 km (0.104 R)
• M18: 16,405,202 km (0.041 R)
• M19: 16,940,912 km (0.037 R)
• M20: 17,426,656 km (0.099 R)
• M21: 18,362,690 km (0.103 R)
• M22: 18,940,287 km (0.117 R)
• M23: 21,868,666 km (0.113 R)
• M24: 22,517,771 km (0.075 R)
• M25: 23,105,541 km (0.118 R)
• M26: 27,344,247 km (0.092 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 785.3

Radius: 5.3

Gravity: 27.96 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.34 AU - 9.3 AU

Year: 14120 Days

Day: 20 Hours

Environment

Temp: -231 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 63,139,149 km

• M1: 67,469 km (0.119 R)
• M2: 617,241 km (0.072 R)
• M3: 1,465,311 km (0.034 R)
• M4: 1,685,220 km (0.107 R)
• M5: 1,908,719 km (0.118 R)
• M6: 2,332,530 km (0.072 R)
• M7: 2,747,066 km (0.095 R)
• M8: 3,082,913 km (0.118 R)
• M9: 3,637,323 km (0.105 R)
• M10: 3,865,160 km (0.081 R)
• M11: 4,412,988 km (0.094 R)
• M12: 5,365,776 km (0.104 R)
• M13: 5,851,820 km (0.098 R)
• M14: 6,407,576 km (0.102 R)
• M15: 6,954,506 km (0.115 R)
• M16: 11,024,316 km (0.099 R)
• M17: 11,321,567 km (0.087 R)
• M18: 12,499,949 km (0.1 R)
• M19: 13,085,775 km (0.074 R)
• M20: 16,600,128 km (0.116 R)
• M21: 21,239,756 km (0.102 R)
• M22: 22,831,777 km (0.08 R)
• M23: 24,501,738 km (0.094 R)
• M24: 24,703,396 km (0.089 R)
• M25: 25,624,769 km (0.092 R)
• M26: 27,863,052 km (0.11 R)
• M27: 39,350,224 km (0.114 R)
• M28: 45,132,780 km (0.095 R)
• M29: 46,046,374 km (0.086 R)
• M30: 48,701,437 km (0.103 R)
• M31: 56,569,537 km (0.052 R)
• M32: 58,525,978 km (0.1 R)
• M33: 59,611,909 km (0.079 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 13,987 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit