🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.5

Radius: 11.9

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.48 AU - 0.54 AU

Year: 247 Days

Day: 9 Hours

Environment

Temp: -131 °C

Axial Tilt: 145.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,864,578 km

• M1: 147,952 km (0.087 R)
• M2: 710,440 km (0.062 R)
• M3: 1,166,564 km (0.084 R)
• M4: 1,548,039 km (0.112 R)
• M5: 2,027,350 km (0.094 R)
• M6: 2,449,216 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.3

Radius: 8.3

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.48 AU - 0.6 AU

Year: 269 Days

Day: 12.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 42,864,578 km

• M1: 103,223 km (0.119 R)
• M2: 366,365 km (0.098 R)
• M3: 629,957 km (0.08 R)
• M4: 966,552 km (0.064 R)
• M5: 1,243,308 km (0.103 R)
• M6: 1,692,999 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.4

Radius: 14.2

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.58 AU - 0.76 AU

Year: 372 Days

Day: 10.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,864,578 km

• M1: 176,525 km (0.085 R)
• M2: 792,869 km (0.096 R)
• M3: 1,392,607 km (0.059 R)
• M4: 1,995,187 km (0.089 R)
• M5: 2,739,287 km (0.072 R)
• M6: 3,256,895 km (0.091 R)
• M7: 3,996,208 km (0.097 R)
• M8: 4,549,720 km (0.101 R)
• M9: 5,676,042 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.3

Radius: 9.5

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.69 AU - 0.95 AU

Year: 504 Days

Day: 13.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,864,578 km

• M1: 118,182 km (0.095 R)
• M2: 546,631 km (0.098 R)
• M3: 991,235 km (0.116 R)
• M4: 1,289,683 km (0.05 R)
• M5: 1,649,317 km (0.059 R)
• M6: 2,014,036 km (0.114 R)
• M7: 2,414,958 km (0.054 R)
• M8: 2,928,079 km (0.102 R)
• M9: 3,523,927 km (0.115 R)
• M10: 4,224,045 km (0.061 R)
• M11: 4,593,851 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.9

Radius: 14

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.77 AU - 1.15 AU

Year: 638 Days

Day: 12.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,864,578 km

• M1: 174,132 km (0.11 R)
• M2: 913,145 km (0.105 R)
• M3: 1,636,750 km (0.103 R)
• M4: 2,635,765 km (0.069 R)
• M5: 3,586,759 km (0.091 R)
• M6: 4,355,991 km (0.115 R)
• M7: 5,093,508 km (0.114 R)
• M8: 5,855,560 km (0.111 R)
• M9: 7,031,848 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.1

Radius: 13

Gravity: 5.88 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.26 AU - 1.68 AU

Year: 1209 Days

Day: 8.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,864,578 km

• M1: 161,715 km (0.086 R)
• M2: 571,314 km (0.115 R)
• M3: 1,078,152 km (0.119 R)
• M4: 1,900,192 km (0.119 R)
• M5: 2,601,657 km (0.111 R)
• M6: 3,006,768 km (0.081 R)
• M7: 3,501,637 km (0.092 R)
• M8: 4,337,441 km (0.05 R)
• M9: 5,239,217 km (0.095 R)
• M10: 5,646,572 km (0.095 R)
• M11: 6,191,706 km (0.104 R)
• M12: 6,598,912 km (0.116 R)
• M13: 7,819,182 km (0.062 R)
• M14: 8,911,545 km (0.098 R)
• M15: 9,432,146 km (0.103 R)
• M16: 10,771,645 km (0.106 R)
• M17: 11,469,519 km (0.104 R)
• M18: 12,346,462 km (0.064 R)
• M19: 12,801,389 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88.1

Radius: 4.7

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 5.21 AU - 7.83 AU

Year: 11292 Days

Day: 21.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 42,864,578 km

• M1: 58,942 km (0.066 R)
• M2: 376,987 km (0.076 R)
• M3: 908,209 km (0.087 R)
• M4: 1,096,403 km (0.055 R)
• M5: 1,438,982 km (0.11 R)
• M6: 4,880,930 km (0.072 R)
• M7: 5,087,225 km (0.118 R)
• M8: 6,635,414 km (0.058 R)
• M9: 6,920,846 km (0.086 R)
• M10: 8,770,774 km (0.049 R)
• M11: 17,356,195 km (0.092 R)
• M12: 21,593,854 km (0.066 R)
• M13: 22,573,720 km (0.117 R)
• M14: 24,696,963 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 280.6

Radius: 6.6

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6.62 AU - 7.86 AU

Year: 13213 Days

Day: 22.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,864,578 km

• M1: 82,129 km (0.115 R)
• M2: 380,128 km (0.092 R)
• M3: 602,580 km (0.106 R)
• M4: 1,202,916 km (0.116 R)
• M5: 1,661,883 km (0.07 R)
• M6: 2,581,012 km (0.1 R)
• M7: 3,652,432 km (0.083 R)
• M8: 4,138,625 km (0.035 R)
• M9: 4,725,348 km (0.108 R)
• M10: 4,962,909 km (0.057 R)
• M11: 6,893,919 km (0.11 R)
• M12: 7,161,250 km (0.112 R)
• M13: 8,472,775 km (0.113 R)
• M14: 10,779,723 km (0.075 R)
• M15: 11,562,120 km (0.062 R)
• M16: 13,713,038 km (0.065 R)
• M17: 14,075,514 km (0.042 R)
• M18: 14,568,589 km (0.101 R)
• M19: 15,589,295 km (0.053 R)
• M20: 20,151,282 km (0.117 R)
• M21: 20,384,655 km (0.087 R)
• M22: 25,803,389 km (0.034 R)
• M23: 37,579,584 km (0.1 R)
• M24: 42,480,709 km (0.078 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 13,403 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit