🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652.1

Radius: 8.2

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.65 AU - 0.73 AU

Year: 403 Days

Day: 11.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,740,228 km

• M1: 102,026 km (0.095 R)
• M2: 402,867 km (0.083 R)
• M3: 714,928 km (0.105 R)
• M4: 1,449,155 km (0.09 R)
• M5: 1,797,269 km (0.092 R)
• M6: 2,342,104 km (0.082 R)
• M7: 2,614,522 km (0.035 R)
• M8: 2,971,463 km (0.091 R)
• M9: 3,407,241 km (0.054 R)
• M10: 3,872,490 km (0.111 R)
• M11: 4,296,451 km (0.101 R)
• M12: 4,677,925 km (0.117 R)
• M13: 5,332,117 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.9

Radius: 12.7

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.98 AU - 1.04 AU

Year: 713 Days

Day: 13.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,740,228 km

• M1: 157,975 km (0.099 R)
• M2: 585,077 km (0.039 R)
• M3: 1,031,328 km (0.059 R)
• M4: 2,256,534 km (0.116 R)
• M5: 2,768,009 km (0.05 R)
• M6: 3,735,309 km (0.087 R)
• M7: 4,186,646 km (0.049 R)
• M8: 4,818,547 km (0.111 R)
• M9: 5,710,600 km (0.116 R)
• M10: 6,196,344 km (0.12 R)
• M11: 7,208,673 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.5

Radius: 12.8

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.7 AU - 2.18 AU

Year: 1899 Days

Day: 6.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,740,228 km

• M1: 159,322 km (0.105 R)
• M2: 665,411 km (0.115 R)
• M3: 1,251,237 km (0.1 R)
• M4: 1,773,932 km (0.111 R)
• M5: 2,869,138 km (0.103 R)
• M6: 4,929,399 km (0.079 R)
• M7: 5,841,498 km (0.085 R)
• M8: 6,373,916 km (0.094 R)
• M9: 6,788,153 km (0.065 R)
• M10: 7,725,084 km (0.102 R)
• M11: 11,442,741 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.9

Radius: 13.9

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.87 AU - 2.99 AU

Year: 3525 Days

Day: 9.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 55,740,228 km

• M1: 173,085 km (0.081 R)
• M2: 1,190,949 km (0.055 R)
• M3: 1,642,136 km (0.115 R)
• M4: 2,324,153 km (0.106 R)
• M5: 3,433,271 km (0.113 R)
• M6: 4,374,691 km (0.113 R)
• M7: 5,195,235 km (0.092 R)
• M8: 5,946,067 km (0.113 R)
• M9: 6,466,218 km (0.118 R)
• M10: 7,765,625 km (0.09 R)
• M11: 8,639,576 km (0.118 R)
• M12: 9,385,172 km (0.103 R)
• M13: 10,542,012 km (0.089 R)
• M14: 11,971,869 km (0.111 R)
• M15: 12,569,363 km (0.076 R)
• M16: 16,414,028 km (0.068 R)
• M17: 17,037,103 km (0.036 R)
• M18: 19,249,805 km (0.095 R)
• M19: 21,113,346 km (0.082 R)
• M20: 21,648,009 km (0.086 R)
• M21: 22,328,978 km (0.026 R)
• M22: 24,531,059 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577

Radius: 12.5

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.57 AU - 4.91 AU

Year: 6137 Days

Day: 14.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,740,228 km

• M1: 158,873 km (0.069 R)
• M2: 803,041 km (0.072 R)
• M3: 1,514,828 km (0.107 R)
• M4: 2,706,375 km (0.061 R)
• M5: 3,200,048 km (0.106 R)
• M6: 3,598,577 km (0.071 R)
• M7: 4,573,656 km (0.066 R)
• M8: 5,777,919 km (0.109 R)
• M9: 6,470,856 km (0.032 R)
• M10: 6,905,887 km (0.084 R)
• M11: 8,684,605 km (0.074 R)
• M12: 9,984,910 km (0.049 R)
• M13: 11,124,995 km (0.057 R)
• M14: 13,991,590 km (0.084 R)
• M15: 15,067,198 km (0.083 R)
• M16: 16,627,205 km (0.111 R)
• M17: 17,639,235 km (0.066 R)
• M18: 18,558,065 km (0.108 R)
• M19: 24,271,656 km (0.081 R)
• M20: 30,590,969 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.3

Radius: 9.9

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.84 AU - 5.14 AU

Year: 6688 Days

Day: 11.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,740,228 km

• M1: 126,709 km (0.032 R)
• M2: 509,381 km (0.066 R)
• M3: 817,403 km (0.114 R)
• M4: 1,145,321 km (0.066 R)
• M5: 2,066,844 km (0.12 R)
• M6: 2,398,951 km (0.081 R)
• M7: 3,013,350 km (0.087 R)
• M8: 3,507,771 km (0.088 R)
• M9: 4,079,684 km (0.066 R)
• M10: 5,438,930 km (0.08 R)
• M11: 5,890,865 km (0.037 R)
• M12: 6,400,545 km (0.111 R)
• M13: 8,184,649 km (0.043 R)
• M14: 9,066,229 km (0.12 R)
• M15: 9,702,768 km (0.095 R)
• M16: 10,054,323 km (0.095 R)
• M17: 11,112,579 km (0.115 R)
• M18: 11,693,318 km (0.118 R)
• M19: 14,618,106 km (0.082 R)
• M20: 18,529,791 km (0.118 R)
• M21: 20,258,544 km (0.1 R)
• M22: 22,856,161 km (0.043 R)
• M23: 26,768,594 km (0.116 R)
• M24: 27,374,166 km (0.115 R)
• M25: 28,702,595 km (0.087 R)
• M26: 30,727,851 km (0.109 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459.7

Radius: 5.3

Gravity: 16.37 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.8 AU - 7.08 AU

Year: 11488 Days

Day: 15.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,740,228 km

• M1: 65,973 km (0.085 R)
• M2: 250,726 km (0.099 R)
• M3: 456,124 km (0.11 R)
• M4: 717,322 km (0.097 R)
• M5: 1,001,109 km (0.11 R)
• M6: 1,586,336 km (0.109 R)
• M7: 2,104,992 km (0.061 R)
• M8: 2,470,459 km (0.029 R)
• M9: 2,771,600 km (0.065 R)
• M10: 3,210,819 km (0.12 R)
• M11: 5,506,847 km (0.089 R)
• M12: 7,839,228 km (0.108 R)
• M13: 8,095,040 km (0.097 R)
• M14: 9,410,604 km (0.069 R)
• M15: 10,244,761 km (0.116 R)
• M16: 11,396,067 km (0.092 R)
• M17: 12,285,725 km (0.085 R)
• M18: 12,747,534 km (0.053 R)
• M19: 15,630,135 km (0.105 R)
• M20: 18,919,643 km (0.053 R)
• M21: 19,225,720 km (0.109 R)
• M22: 22,901,190 km (0.099 R)
• M23: 31,819,168 km (0.115 R)
• M24: 41,371,890 km (0.078 R)
• M25: 41,629,198 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.5

Radius: 7.1

Gravity: 12.45 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 5.28 AU - 8.78 AU

Year: 13102 Days

Day: 16.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 55,740,228 km

• M1: 88,263 km (0.082 R)
• M2: 446,400 km (0.12 R)
• M3: 792,270 km (0.112 R)
• M4: 1,877,902 km (0.085 R)
• M5: 2,143,289 km (0.12 R)
• M6: 2,884,397 km (0.117 R)
• M7: 3,812,651 km (0.077 R)
• M8: 4,211,479 km (0.114 R)
• M9: 5,193,440 km (0.115 R)
• M10: 6,052,580 km (0.07 R)
• M11: 6,437,346 km (0.112 R)
• M12: 7,427,235 km (0.092 R)
• M13: 8,326,767 km (0.107 R)
• M14: 8,610,255 km (0.092 R)
• M15: 9,809,432 km (0.038 R)
• M16: 11,576,182 km (0.086 R)
• M17: 16,380,668 km (0.056 R)
• M18: 17,664,367 km (0.072 R)
• M19: 18,370,469 km (0.038 R)
• M20: 18,851,576 km (0.091 R)
• M21: 19,341,060 km (0.07 R)
• M22: 26,599,698 km (0.057 R)
• M23: 26,906,374 km (0.119 R)
• M24: 27,422,786 km (0.084 R)
• M25: 29,773,716 km (0.09 R)
• M26: 30,549,082 km (0.116 R)
• M27: 36,107,092 km (0.107 R)
• M28: 37,370,745 km (0.113 R)
• M29: 38,794,617 km (0.118 R)
• M30: 41,475,411 km (0.091 R)
• M31: 51,669,758 km (0.073 R)
• M32: 53,597,925 km (0.039 R)
• M33: 55,573,365 km (0.102 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 13,654 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit