🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.1

Radius: 9.5

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.83 AU - 1.37 AU

Year: 782 Days

Day: 10.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,861,229 km

• M1: 118,182 km (0.113 R)
• M2: 446,250 km (0.075 R)
• M3: 765,941 km (0.107 R)
• M4: 1,186,311 km (0.062 R)
• M5: 1,497,175 km (0.04 R)
• M6: 1,827,488 km (0.085 R)
• M7: 2,206,868 km (0.079 R)
• M8: 2,814,534 km (0.052 R)
• M9: 3,460,199 km (0.106 R)
• M10: 4,394,437 km (0.068 R)
• M11: 4,763,645 km (0.053 R)
• M12: 5,189,999 km (0.11 R)
• M13: 5,778,367 km (0.109 R)
• M14: 6,710,811 km (0.118 R)
• M15: 7,270,457 km (0.083 R)
• M16: 7,788,364 km (0.112 R)
• M17: 8,255,409 km (0.073 R)
• M18: 8,767,034 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 132.5

Radius: 11.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.73 AU - 2.61 AU

Year: 2168 Days

Day: 14.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,861,229 km

• M1: 147,952 km (0.05 R)
• M2: 750,832 km (0.092 R)
• M3: 1,126,322 km (0.111 R)
• M4: 1,525,898 km (0.049 R)
• M5: 2,061,159 km (0.098 R)
• M6: 2,440,689 km (0.118 R)
• M7: 2,879,909 km (0.11 R)
• M8: 3,260,934 km (0.041 R)
• M9: 3,796,345 km (0.109 R)
• M10: 4,771,723 km (0.081 R)
• M11: 5,602,440 km (0.072 R)
• M12: 6,137,253 km (0.118 R)
• M13: 7,073,137 km (0.104 R)
• M14: 7,723,439 km (0.039 R)
• M15: 8,868,461 km (0.041 R)
• M16: 9,596,255 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.1

Radius: 9.2

Gravity: 11.56 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.13 AU - 2.83 AU

Year: 2649 Days

Day: 5.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,861,229 km

• M1: 116,686 km (0.072 R)
• M2: 413,040 km (0.079 R)
• M3: 774,169 km (0.068 R)
• M4: 1,130,661 km (0.092 R)
• M5: 2,458,192 km (0.104 R)
• M6: 4,281,192 km (0.077 R)
• M7: 5,893,259 km (0.047 R)
• M8: 6,281,465 km (0.074 R)
• M9: 7,233,207 km (0.084 R)
• M10: 7,908,342 km (0.101 R)
• M11: 10,265,256 km (0.119 R)
• M12: 10,951,611 km (0.082 R)
• M13: 15,207,820 km (0.111 R)
• M14: 17,192,834 km (0.049 R)
• M15: 18,276,521 km (0.117 R)
• M16: 21,152,241 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.3

Radius: 13.7

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.2 AU - 3.26 AU

Year: 3059 Days

Day: 9.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 147.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 25,861,229 km

• M1: 170,990 km (0.101 R)
• M2: 855,550 km (0.101 R)
• M3: 1,545,645 km (0.071 R)
• M4: 2,653,118 km (0.086 R)
• M5: 3,342,465 km (0.077 R)
• M6: 4,258,453 km (0.059 R)
• M7: 5,465,857 km (0.099 R)
• M8: 7,656,419 km (0.111 R)
• M9: 8,407,849 km (0.049 R)
• M10: 12,095,437 km (0.044 R)
• M11: 17,778,061 km (0.045 R)
• M12: 20,737,855 km (0.05 R)
• M13: 21,393,543 km (0.041 R)
• M14: 23,585,002 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 150.6

Radius: 11.3

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.48 AU - 3.14 AU

Year: 3195 Days

Day: 14.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,861,229 km

• M1: 140,472 km (0.057 R)
• M2: 612,603 km (0.097 R)
• M3: 1,264,850 km (0.095 R)
• M4: 1,783,057 km (0.075 R)
• M5: 4,888,858 km (0.108 R)
• M6: 6,344,446 km (0.119 R)
• M7: 8,299,391 km (0.12 R)
• M8: 8,981,407 km (0.119 R)
• M9: 13,520,057 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.7

Radius: 12.1

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.3 AU - 4.92 AU

Year: 6713 Days

Day: 6.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 25,861,229 km

• M1: 150,645 km (0.066 R)
• M2: 552,166 km (0.068 R)
• M3: 977,323 km (0.071 R)
• M4: 3,101,912 km (0.095 R)
• M5: 3,828,509 km (0.109 R)
• M6: 4,886,914 km (0.11 R)
• M7: 5,404,073 km (0.046 R)
• M8: 5,957,735 km (0.103 R)
• M9: 7,475,256 km (0.102 R)
• M10: 12,118,475 km (0.112 R)
• M11: 13,966,607 km (0.115 R)
• M12: 14,430,510 km (0.087 R)
• M13: 15,280,824 km (0.055 R)
• M14: 17,081,085 km (0.057 R)
• M15: 17,971,940 km (0.111 R)
• M16: 18,706,765 km (0.089 R)
• M17: 19,717,598 km (0.112 R)
• M18: 20,764,484 km (0.071 R)
• M19: 21,166,453 km (0.113 R)
• M20: 21,779,206 km (0.12 R)
• M21: 24,646,698 km (0.107 R)
• M22: 25,477,565 km (0.079 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 20,264 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit