🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834.2

Radius: 14.6

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.39 AU - 0.65 AU

Year: 259 Days

Day: 13.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 41,575,156 km

• M1: 181,612 km (0.076 R)
• M2: 656,884 km (0.051 R)
• M3: 1,142,629 km (0.092 R)
• M4: 2,060,561 km (0.091 R)
• M5: 2,710,414 km (0.102 R)
• M6: 3,180,451 km (0.095 R)
• M7: 3,971,674 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.5

Radius: 8.3

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.71 AU - 0.77 AU

Year: 439 Days

Day: 13.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 164.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 41,575,156 km

• M1: 103,223 km (0.092 R)
• M2: 418,724 km (0.094 R)
• M3: 925,712 km (0.088 R)
• M4: 1,268,291 km (0.114 R)
• M5: 1,724,714 km (0.103 R)
• M6: 1,987,857 km (0.103 R)
• M7: 2,287,351 km (0.113 R)
• M8: 2,667,928 km (0.083 R)
• M9: 3,022,475 km (0.049 R)
• M10: 3,408,438 km (0.061 R)
• M11: 4,124,712 km (0.068 R)
• M12: 4,906,361 km (0.114 R)
• M13: 5,225,753 km (0.09 R)
• M14: 5,593,016 km (0.083 R)
• M15: 5,995,434 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.1

Radius: 12.2

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.7 AU - 0.98 AU

Year: 531 Days

Day: 14.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 41,575,156 km

• M1: 151,991 km (0.107 R)
• M2: 611,706 km (0.118 R)
• M3: 1,088,773 km (0.095 R)
• M4: 1,638,845 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.4

Radius: 13.5

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.78 AU - 0.98 AU

Year: 570 Days

Day: 12.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,575,156 km

• M1: 167,849 km (0.109 R)
• M2: 622,776 km (0.06 R)
• M3: 1,060,649 km (0.059 R)
• M4: 1,539,811 km (0.077 R)
• M5: 2,310,090 km (0.092 R)
• M6: 3,574,192 km (0.049 R)
• M7: 4,154,931 km (0.097 R)
• M8: 4,897,685 km (0.074 R)
• M9: 5,489,045 km (0.039 R)
• M10: 6,526,207 km (0.108 R)
• M11: 7,309,651 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.7

Radius: 14.8

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.17 AU - 1.69 AU

Year: 1180 Days

Day: 10.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 41,575,156 km

• M1: 184,005 km (0.051 R)
• M2: 651,200 km (0.085 R)
• M3: 1,382,733 km (0.12 R)
• M4: 2,381,598 km (0.027 R)
• M5: 2,884,097 km (0.077 R)
• M6: 3,854,838 km (0.057 R)
• M7: 5,740,669 km (0.082 R)
• M8: 6,465,620 km (0.094 R)
• M9: 6,973,954 km (0.08 R)
• M10: 8,209,782 km (0.093 R)
• M11: 9,191,443 km (0.075 R)
• M12: 10,121,493 km (0.077 R)
• M13: 12,425,150 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 588

Radius: 11

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 4.67 AU - 6.23 AU

Year: 8782 Days

Day: 14.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 41,575,156 km

• M1: 136,882 km (0.09 R)
• M2: 544,835 km (0.112 R)
• M3: 956,379 km (0.115 R)
• M4: 1,318,256 km (0.102 R)
• M5: 1,876,556 km (0.066 R)
• M6: 2,703,084 km (0.079 R)
• M7: 3,611,741 km (0.078 R)
• M8: 4,085,069 km (0.079 R)
• M9: 5,035,614 km (0.099 R)
• M10: 6,548,946 km (0.092 R)
• M11: 6,951,813 km (0.081 R)
• M12: 7,727,029 km (0.071 R)
• M13: 9,041,396 km (0.09 R)
• M14: 10,205,417 km (0.101 R)
• M15: 10,648,227 km (0.103 R)
• M16: 11,678,059 km (0.069 R)
• M17: 13,171,943 km (0.088 R)
• M18: 15,743,680 km (0.085 R)
• M19: 16,268,918 km (0.113 R)
• M20: 17,423,963 km (0.086 R)
• M21: 18,705,867 km (0.09 R)
• M22: 21,858,642 km (0.109 R)
• M23: 23,348,488 km (0.104 R)
• M24: 25,618,635 km (0.117 R)
• M25: 34,943,370 km (0.091 R)
• M26: 37,323,472 km (0.044 R)
• M27: 38,258,010 km (0.09 R)
• M28: 39,930,813 km (0.07 R)
• M29: 41,527,322 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 329.3

Radius: 7.5

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.3 AU - 7.86 AU

Year: 11651 Days

Day: 16.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 41,575,156 km

• M1: 93,499 km (0.077 R)
• M2: 355,893 km (0.092 R)
• M3: 703,260 km (0.115 R)
• M4: 955,930 km (0.072 R)
• M5: 1,329,027 km (0.116 R)
• M6: 1,738,178 km (0.094 R)
• M7: 1,980,676 km (0.057 R)
• M8: 2,460,436 km (0.098 R)
• M9: 4,237,210 km (0.102 R)
• M10: 4,652,195 km (0.104 R)
• M11: 5,693,545 km (0.094 R)
• M12: 6,095,814 km (0.118 R)
• M13: 7,815,890 km (0.076 R)
• M14: 8,313,154 km (0.059 R)
• M15: 8,699,715 km (0.055 R)
• M16: 9,233,779 km (0.049 R)
• M17: 10,515,234 km (0.11 R)
• M18: 12,794,208 km (0.08 R)
• M19: 15,511,953 km (0.113 R)
• M20: 16,564,224 km (0.12 R)
• M21: 17,245,792 km (0.105 R)
• M22: 20,390,489 km (0.099 R)
• M23: 20,779,294 km (0.058 R)
• M24: 24,070,148 km (0.101 R)
• M25: 29,435,326 km (0.117 R)
• M26: 30,232,832 km (0.116 R)
• M27: 31,766,809 km (0.058 R)
• M28: 33,675,229 km (0.084 R)
• M29: 34,218,568 km (0.051 R)
• M30: 39,857,211 km (0.092 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 13,200 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit