🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.61 AU - 2.27 AU

Year: 1013 Days

Day: 38.5 Hours

Environment

Temp: -62 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.32 AU - 3.04 AU

Year: 1644 Days

Day: 22.9 Hours

Environment

Temp: -110 °C

Axial Tilt: 121.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.74 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.1

Radius: 14.6

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.01 AU - 5.57 AU

Year: 3929 Days

Day: 13.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,924,846 km

• M1: 181,612 km (0.078 R)
• M2: 770,878 km (0.048 R)
• M3: 1,325,437 km (0.047 R)
• M4: 1,837,660 km (0.11 R)
• M5: 2,687,975 km (0.074 R)
• M6: 3,392,132 km (0.053 R)
• M7: 3,935,022 km (0.115 R)
• M8: 4,896,039 km (0.095 R)
• M9: 5,647,320 km (0.054 R)
• M10: 6,209,508 km (0.103 R)
• M11: 8,229,379 km (0.11 R)
• M12: 8,805,630 km (0.096 R)
• M13: 10,283,358 km (0.104 R)
• M14: 11,606,850 km (0.099 R)
• M15: 12,707,292 km (0.076 R)
• M16: 13,528,135 km (0.09 R)
• M17: 14,332,822 km (0.103 R)
• M18: 18,782,013 km (0.105 R)
• M19: 21,554,959 km (0.119 R)
• M20: 24,886,803 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947

Radius: 12.9

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.43 AU - 5.77 AU

Year: 4316 Days

Day: 14.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,924,846 km

• M1: 160,668 km (0.043 R)
• M2: 564,283 km (0.087 R)
• M3: 1,722,021 km (0.094 R)
• M4: 2,235,890 km (0.104 R)
• M5: 2,779,977 km (0.081 R)
• M6: 3,642,708 km (0.06 R)
• M7: 5,660,933 km (0.04 R)
• M8: 6,233,594 km (0.035 R)
• M9: 6,647,531 km (0.106 R)
• M10: 7,390,284 km (0.095 R)
• M11: 8,452,878 km (0.04 R)
• M12: 9,162,271 km (0.082 R)
• M13: 9,868,224 km (0.101 R)
• M14: 12,058,785 km (0.105 R)
• M15: 14,722,974 km (0.064 R)
• M16: 17,009,128 km (0.045 R)
• M17: 17,568,624 km (0.066 R)
• M18: 18,140,387 km (0.118 R)
• M19: 19,998,991 km (0.116 R)
• M20: 21,402,219 km (0.097 R)
• M21: 22,274,973 km (0.107 R)
• M22: 23,475,646 km (0.099 R)
• M23: 25,036,400 km (0.041 R)
• M24: 30,043,142 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 142.9

Radius: 14.4

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.74 AU - 7.44 AU

Year: 7075 Days

Day: 9.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,924,846 km

• M1: 179,069 km (0.101 R)
• M2: 665,411 km (0.073 R)
• M3: 1,267,992 km (0.073 R)
• M4: 1,779,467 km (0.119 R)
• M5: 2,717,894 km (0.115 R)
• M6: 3,419,209 km (0.079 R)
• M7: 4,871,954 km (0.117 R)
• M8: 5,804,697 km (0.099 R)
• M9: 6,529,199 km (0.047 R)
• M10: 7,313,391 km (0.075 R)
• M11: 10,642,393 km (0.112 R)
• M12: 11,303,166 km (0.071 R)
• M13: 12,123,112 km (0.099 R)
• M14: 14,671,362 km (0.074 R)
• M15: 15,911,379 km (0.109 R)
• M16: 16,611,647 km (0.07 R)
• M17: 18,189,904 km (0.112 R)
• M18: 19,681,844 km (0.029 R)
• M19: 20,678,614 km (0.091 R)
• M20: 21,189,491 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.6

Radius: 15

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.64 AU - 10.62 AU

Year: 10338 Days

Day: 15 Hours

Environment

Temp: -175 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,924,846 km

• M1: 186,549 km (0.033 R)
• M2: 797,506 km (0.099 R)
• M3: 1,403,378 km (0.117 R)
• M4: 3,817,887 km (0.092 R)
• M5: 4,954,532 km (0.12 R)
• M6: 6,554,182 km (0.104 R)
• M7: 16,884,214 km (0.059 R)
• M8: 20,606,807 km (0.089 R)
• M9: 22,369,968 km (0.079 R)
• M10: 25,200,509 km (0.08 R)
• M11: 28,262,030 km (0.068 R)
• M12: 32,613,233 km (0.101 R)
• M13: 37,044,322 km (0.118 R)
• M14: 40,130,826 km (0.049 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.8

Radius: 11.5

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 8.54 AU - 13 AU

Year: 13245 Days

Day: 6.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,924,846 km

• M1: 143,165 km (0.113 R)
• M2: 847,472 km (0.101 R)
• M3: 1,247,048 km (0.118 R)
• M4: 3,442,397 km (0.042 R)
• M5: 4,687,649 km (0.111 R)
• M6: 5,063,888 km (0.07 R)
• M7: 5,844,340 km (0.076 R)
• M8: 7,144,794 km (0.115 R)
• M9: 7,763,381 km (0.086 R)
• M10: 10,213,645 km (0.077 R)
• M11: 14,611,074 km (0.039 R)
• M12: 19,756,194 km (0.118 R)
• M13: 20,512,411 km (0.106 R)
• M14: 21,366,465 km (0.096 R)
• M15: 23,985,775 km (0.053 R)
• M16: 24,933,776 km (0.119 R)
• M17: 25,638,681 km (0.118 R)
• M18: 28,021,626 km (0.085 R)
• M19: 30,950,453 km (0.068 R)
• M20: 33,862,824 km (0.099 R)
• M21: 34,401,526 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.6

Radius: 13.8

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 10.53 AU - 13.17 AU

Year: 15286 Days

Day: 13.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 52,924,846 km

• M1: 171,888 km (0.062 R)
• M2: 1,471,594 km (0.049 R)
• M3: 2,067,443 km (0.103 R)
• M4: 3,834,044 km (0.099 R)
• M5: 5,683,672 km (0.053 R)
• M6: 6,805,357 km (0.097 R)
• M7: 10,044,300 km (0.118 R)
• M8: 11,452,764 km (0.052 R)
• M9: 13,425,362 km (0.094 R)
• M10: 14,000,566 km (0.112 R)
• M11: 15,406,935 km (0.049 R)
• M12: 16,323,671 km (0.038 R)
• M13: 18,814,326 km (0.119 R)
• M14: 21,032,713 km (0.093 R)
• M15: 23,055,874 km (0.119 R)
• M16: 23,789,053 km (0.082 R)
• M17: 29,151,838 km (0.095 R)
• M18: 35,633,465 km (0.104 R)
• M19: 42,878,340 km (0.078 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 16,314 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit