🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.9

Radius: 13

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.42 AU - 0.7 AU

Year: 284 Days

Day: 9.7 Hours

Environment

Temp: -145 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,334,148 km

• M1: 161,715 km (0.049 R)
• M2: 587,471 km (0.048 R)
• M3: 1,020,557 km (0.051 R)
• M4: 1,604,138 km (0.097 R)
• M5: 2,051,436 km (0.026 R)
• M6: 2,473,900 km (0.084 R)
• M7: 3,223,535 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.3

Radius: 12.9

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.87 AU - 1.21 AU

Year: 719 Days

Day: 15 Hours

Environment

Temp: -184 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,334,148 km

• M1: 160,369 km (0.059 R)
• M2: 602,431 km (0.092 R)
• M3: 1,101,489 km (0.043 R)
• M4: 1,994,289 km (0.088 R)
• M5: 2,442,036 km (0.104 R)
• M6: 3,218,149 km (0.118 R)
• M7: 4,366,163 km (0.12 R)
• M8: 4,799,249 km (0.103 R)
• M9: 5,700,726 km (0.1 R)
• M10: 6,331,131 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.1

Radius: 8.3

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.97 AU - 1.27 AU

Year: 804 Days

Day: 9 Hours

Environment

Temp: -184 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,334,148 km

• M1: 103,223 km (0.095 R)
• M2: 430,094 km (0.073 R)
• M3: 710,440 km (0.077 R)
• M4: 999,912 km (0.092 R)
• M5: 1,341,145 km (0.034 R)
• M6: 2,113,818 km (0.101 R)
• M7: 2,581,610 km (0.086 R)
• M8: 3,245,675 km (0.086 R)
• M9: 4,064,275 km (0.119 R)
• M10: 4,360,479 km (0.072 R)
• M11: 4,978,767 km (0.051 R)
• M12: 6,307,196 km (0.117 R)
• M13: 6,856,220 km (0.106 R)
• M14: 7,459,698 km (0.074 R)
• M15: 7,857,479 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.6

Radius: 10.8

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.26 AU - 1.54 AU

Year: 1124 Days

Day: 14.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,334,148 km

• M1: 134,638 km (0.108 R)
• M2: 471,532 km (0.067 R)
• M3: 858,841 km (0.082 R)
• M4: 1,936,694 km (0.099 R)
• M5: 2,543,014 km (0.118 R)
• M6: 2,898,160 km (0.113 R)
• M7: 3,569,704 km (0.029 R)
• M8: 4,910,101 km (0.054 R)
• M9: 5,715,686 km (0.103 R)
• M10: 6,262,616 km (0.081 R)
• M11: 8,168,792 km (0.085 R)
• M12: 9,657,440 km (0.112 R)
• M13: 10,626,834 km (0.084 R)
• M14: 11,018,930 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.9

Radius: 11.6

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.09 AU - 2.71 AU

Year: 2522 Days

Day: 6.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 36,334,148 km

• M1: 147,952 km (0.058 R)
• M2: 521,199 km (0.058 R)
• M3: 1,170,753 km (0.101 R)
• M4: 1,751,193 km (0.049 R)
• M5: 2,214,497 km (0.092 R)
• M6: 3,001,382 km (0.057 R)
• M7: 3,443,145 km (0.09 R)
• M8: 3,890,741 km (0.107 R)
• M9: 4,296,600 km (0.052 R)
• M10: 5,984,064 km (0.069 R)
• M11: 7,417,960 km (0.062 R)
• M12: 7,923,152 km (0.076 R)
• M13: 9,102,432 km (0.114 R)
• M14: 10,141,838 km (0.115 R)
• M15: 10,653,164 km (0.109 R)
• M16: 11,181,693 km (0.075 R)
• M17: 12,579,835 km (0.107 R)
• M18: 13,560,000 km (0.091 R)
• M19: 16,505,582 km (0.09 R)

Asteroid Belt

Center: 3.44 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 745.6

Radius: 8.8

Gravity: 9.63 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.58 AU - 5.36 AU

Year: 6410 Days

Day: 6.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 36,334,148 km

• M1: 109,805 km (0.115 R)
• M2: 406,158 km (0.116 R)
• M3: 759,209 km (0.101 R)
• M4: 1,187,657 km (0.053 R)
• M5: 1,584,241 km (0.07 R)
• M6: 1,975,589 km (0.054 R)
• M7: 2,378,905 km (0.045 R)
• M8: 2,836,525 km (0.111 R)
• M9: 3,159,357 km (0.082 R)
• M10: 3,689,981 km (0.074 R)
• M11: 5,189,101 km (0.112 R)
• M12: 9,555,714 km (0.069 R)
• M13: 11,249,461 km (0.12 R)
• M14: 12,591,054 km (0.119 R)
• M15: 13,412,047 km (0.045 R)
• M16: 13,693,441 km (0.061 R)
• M17: 14,443,674 km (0.046 R)
• M18: 14,858,809 km (0.118 R)
• M19: 16,089,101 km (0.107 R)
• M20: 16,729,081 km (0.075 R)
• M21: 17,319,394 km (0.083 R)
• M22: 17,991,687 km (0.119 R)
• M23: 18,751,046 km (0.118 R)
• M24: 19,748,116 km (0.075 R)
• M25: 20,259,890 km (0.088 R)
• M26: 24,845,214 km (0.079 R)
• M27: 25,960,317 km (0.103 R)
• M28: 28,660,409 km (0.07 R)
• M29: 29,410,941 km (0.09 R)
• M30: 30,464,110 km (0.108 R)
• M31: 30,853,214 km (0.108 R)
• M32: 31,147,324 km (0.092 R)
• M33: 31,740,928 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.3

Radius: 3

Gravity: 16.03 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 6.65 AU - 8.67 AU

Year: 14379 Days

Day: 20.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 36,334,148 km

• M1: 38,447 km (0.089 R)
• M2: 141,220 km (0.097 R)
• M3: 429,047 km (0.067 R)
• M4: 712,834 km (0.084 R)
• M5: 1,620,295 km (0.053 R)
• M6: 2,669,275 km (0.119 R)
• M7: 2,765,017 km (0.086 R)
• M8: 2,963,683 km (0.059 R)
• M9: 3,805,770 km (0.101 R)
• M10: 5,229,792 km (0.09 R)
• M11: 5,689,506 km (0.113 R)
• M12: 7,229,766 km (0.075 R)
• M13: 10,283,956 km (0.087 R)
• M14: 10,567,594 km (0.085 R)
• M15: 11,052,141 km (0.095 R)
• M16: 11,249,909 km (0.087 R)
• M17: 11,551,200 km (0.11 R)
• M18: 12,487,084 km (0.119 R)
• M19: 13,926,515 km (0.107 R)
• M20: 16,096,880 km (0.052 R)
• M21: 17,865,127 km (0.109 R)
• M22: 18,206,210 km (0.113 R)
• M23: 21,397,283 km (0.104 R)
• M24: 21,937,032 km (0.101 R)
• M25: 22,092,913 km (0.099 R)
• M26: 30,377,792 km (0.119 R)
• M27: 35,577,216 km (0.113 R)
• M28: 36,116,816 km (0.073 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 17,584 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit