🌌 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: 287.8

Radius: 12.3

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.43 AU - 0.61 AU

Year: 250 Days

Day: 15 Hours

Environment

Temp: -131 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 51,971,588 km

• M1: 153,039 km (0.076 R)
• M2: 582,385 km (0.072 R)
• M3: 1,058,106 km (0.11 R)
• M4: 1,732,044 km (0.037 R)
• M5: 2,358,261 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.4

Radius: 14.8

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.07 AU - 1.51 AU

Year: 977 Days

Day: 12 Hours

Environment

Temp: -192 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,971,588 km

• M1: 184,155 km (0.098 R)
• M2: 649,404 km (0.091 R)
• M3: 1,134,251 km (0.087 R)
• M4: 1,788,443 km (0.094 R)
• M5: 2,331,782 km (0.062 R)
• M6: 2,852,682 km (0.042 R)
• M7: 3,317,482 km (0.105 R)
• M8: 4,467,890 km (0.059 R)
• M9: 5,064,486 km (0.112 R)
• M10: 6,609,084 km (0.097 R)
• M11: 7,455,808 km (0.08 R)
• M12: 8,002,738 km (0.107 R)
• M13: 8,912,742 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.2

Radius: 10.1

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.93 AU - 2.77 AU

Year: 2402 Days

Day: 9.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,971,588 km

• M1: 125,662 km (0.103 R)
• M2: 495,319 km (0.071 R)
• M3: 815,458 km (0.11 R)
• M4: 1,431,203 km (0.03 R)
• M5: 1,802,654 km (0.054 R)
• M6: 2,533,590 km (0.043 R)
• M7: 3,033,546 km (0.065 R)
• M8: 3,469,025 km (0.105 R)
• M9: 3,866,806 km (0.104 R)
• M10: 4,664,611 km (0.087 R)
• M11: 5,102,783 km (0.103 R)
• M12: 5,543,200 km (0.077 R)
• M13: 6,224,019 km (0.081 R)
• M14: 7,533,001 km (0.087 R)
• M15: 8,877,886 km (0.08 R)
• M16: 9,264,447 km (0.068 R)
• M17: 12,079,130 km (0.034 R)
• M18: 13,313,313 km (0.091 R)
• M19: 14,775,632 km (0.105 R)
• M20: 15,621,608 km (0.088 R)
• M21: 18,866,685 km (0.065 R)
• M22: 19,448,022 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.7

Radius: 11.4

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.29 AU - 2.57 AU

Year: 2526 Days

Day: 6.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,971,588 km

• M1: 183,257 km (0.051 R)
• M2: 561,441 km (0.035 R)
• M3: 1,494,932 km (0.119 R)
• M4: 4,026,726 km (0.074 R)
• M5: 4,443,206 km (0.092 R)
• M6: 5,869,173 km (0.049 R)
• M7: 6,663,688 km (0.049 R)
• M8: 7,375,025 km (0.089 R)
• M9: 7,867,950 km (0.073 R)
• M10: 8,691,187 km (0.106 R)
• M11: 10,221,275 km (0.097 R)
• M12: 10,736,490 km (0.119 R)
• M13: 11,473,109 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.7

Radius: 8.6

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 2.96 AU - 3 AU

Year: 3430 Days

Day: 9.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,971,588 km

• M1: 106,962 km (0.042 R)
• M2: 570,716 km (0.073 R)
• M3: 966,253 km (0.058 R)
• M4: 1,420,133 km (0.094 R)
• M5: 1,909,617 km (0.094 R)
• M6: 2,274,636 km (0.074 R)
• M7: 3,834,642 km (0.099 R)
• M8: 4,702,160 km (0.065 R)
• M9: 4,997,167 km (0.112 R)
• M10: 5,981,671 km (0.107 R)
• M11: 6,636,610 km (0.09 R)
• M12: 7,282,873 km (0.119 R)
• M13: 9,017,610 km (0.064 R)
• M14: 9,776,221 km (0.108 R)
• M15: 12,347,659 km (0.093 R)
• M16: 13,282,496 km (0.055 R)
• M17: 14,003,408 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.9

Radius: 12.5

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 5.16 AU - 5.44 AU

Year: 8137 Days

Day: 14.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,971,588 km

• M1: 155,582 km (0.114 R)
• M2: 727,195 km (0.108 R)
• M3: 1,332,019 km (0.091 R)
• M4: 2,013,438 km (0.114 R)
• M5: 2,601,806 km (0.093 R)
• M6: 3,896,127 km (0.11 R)
• M7: 4,787,132 km (0.037 R)
• M8: 5,645,973 km (0.037 R)
• M9: 7,238,143 km (0.051 R)
• M10: 8,757,011 km (0.083 R)
• M11: 9,708,603 km (0.07 R)
• M12: 11,763,629 km (0.09 R)
• M13: 13,208,445 km (0.083 R)
• M14: 14,459,233 km (0.085 R)
• M15: 14,893,366 km (0.087 R)
• M16: 15,336,026 km (0.113 R)
• M17: 17,126,862 km (0.106 R)
• M18: 22,330,624 km (0.077 R)
• M19: 30,993,238 km (0.088 R)
• M20: 32,767,918 km (0.044 R)
• M21: 33,410,291 km (0.088 R)
• M22: 34,170,098 km (0.105 R)
• M23: 38,025,834 km (0.043 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 118.7

Radius: 7.9

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 5.75 AU - 6.25 AU

Year: 9801 Days

Day: 15.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,971,588 km

• M1: 99,333 km (0.1 R)
• M2: 397,482 km (0.11 R)
• M3: 656,585 km (0.056 R)
• M4: 991,684 km (0.117 R)
• M5: 1,779,467 km (0.09 R)
• M6: 2,556,328 km (0.026 R)
• M7: 3,150,980 km (0.088 R)
• M8: 3,542,029 km (0.103 R)
• M9: 4,188,740 km (0.108 R)
• M10: 5,170,701 km (0.056 R)
• M11: 5,973,144 km (0.037 R)
• M12: 6,542,364 km (0.079 R)
• M13: 7,753,807 km (0.11 R)
• M14: 8,541,440 km (0.083 R)
• M15: 9,984,910 km (0.066 R)
• M16: 11,584,111 km (0.079 R)
• M17: 11,904,849 km (0.088 R)
• M18: 16,923,409 km (0.048 R)
• M19: 19,184,281 km (0.093 R)
• M20: 20,089,947 km (0.077 R)
• M21: 22,196,285 km (0.06 R)
• M22: 22,834,320 km (0.062 R)
• M23: 23,339,063 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 789

Radius: 7.4

Gravity: 14.41 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.71 AU - 6.87 AU

Year: 10520 Days

Day: 22.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 51,971,588 km

• M1: 108,309 km (0.081 R)
• M2: 346,917 km (0.06 R)
• M3: 864,376 km (0.115 R)
• M4: 1,437,486 km (0.086 R)
• M5: 1,840,353 km (0.04 R)
• M6: 2,698,596 km (0.084 R)
• M7: 2,938,701 km (0.101 R)
• M8: 3,338,127 km (0.097 R)
• M9: 4,571,861 km (0.036 R)
• M10: 5,043,692 km (0.089 R)
• M11: 6,232,995 km (0.103 R)
• M12: 7,903,405 km (0.104 R)
• M13: 9,057,253 km (0.079 R)
• M14: 10,372,219 km (0.098 R)
• M15: 12,818,892 km (0.072 R)
• M16: 13,564,787 km (0.109 R)
• M17: 14,939,442 km (0.063 R)
• M18: 15,625,647 km (0.109 R)
• M19: 17,209,141 km (0.11 R)
• M20: 18,348,179 km (0.079 R)
• M21: 21,804,039 km (0.077 R)
• M22: 23,318,418 km (0.031 R)
• M23: 25,380,326 km (0.098 R)
• M24: 26,554,819 km (0.115 R)
• M25: 27,256,582 km (0.104 R)
• M26: 29,435,625 km (0.088 R)
• M27: 33,205,641 km (0.105 R)
• M28: 36,296,931 km (0.1 R)
• M29: 38,673,742 km (0.113 R)
• M30: 42,498,361 km (0.044 R)
• M31: 43,873,615 km (0.106 R)
• M32: 44,431,914 km (0.092 R)
• M33: 45,705,441 km (0.093 R)
• M34: 50,430,639 km (0.117 R)
• M35: 51,660,932 km (0.1 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 13,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit