🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.11 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.6

Radius: 8.2

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.96 AU - 2.46 AU

Year: 2155 Days

Day: 10.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,609,652 km

• M1: 102,026 km (0.092 R)
• M2: 391,348 km (0.06 R)
• M3: 959,072 km (0.114 R)
• M4: 1,350,270 km (0.107 R)
• M5: 2,177,995 km (0.115 R)
• M6: 2,660,299 km (0.084 R)
• M7: 3,149,035 km (0.111 R)
• M8: 3,731,420 km (0.086 R)
• M9: 5,066,132 km (0.078 R)
• M10: 6,383,640 km (0.101 R)
• M11: 6,745,966 km (0.089 R)
• M12: 8,004,533 km (0.03 R)
• M13: 8,830,912 km (0.117 R)
• M14: 9,512,031 km (0.061 R)
• M15: 10,123,288 km (0.096 R)
• M16: 11,499,588 km (0.109 R)
• M17: 13,327,375 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.4

Radius: 8.5

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.19 AU - 2.31 AU

Year: 2214 Days

Day: 15 Hours

Environment

Temp: -199 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,609,652 km

• M1: 105,766 km (0.09 R)
• M2: 829,969 km (0.101 R)
• M3: 1,158,636 km (0.027 R)
• M4: 1,911,262 km (0.066 R)
• M5: 2,273,439 km (0.079 R)
• M6: 2,997,792 km (0.09 R)
• M7: 4,877,788 km (0.087 R)
• M8: 6,672,813 km (0.078 R)
• M9: 7,009,857 km (0.049 R)
• M10: 9,277,462 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.4

Radius: 8.2

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.31 AU - 2.35 AU

Year: 2333 Days

Day: 7.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,609,652 km

• M1: 102,026 km (0.107 R)
• M2: 501,452 km (0.11 R)
• M3: 1,073,514 km (0.117 R)
• M4: 1,497,175 km (0.098 R)
• M5: 1,759,271 km (0.107 R)
• M6: 2,365,142 km (0.05 R)
• M7: 2,841,761 km (0.095 R)
• M8: 3,604,261 km (0.081 R)
• M9: 4,275,657 km (0.117 R)
• M10: 6,369,129 km (0.088 R)
• M11: 8,207,538 km (0.112 R)
• M12: 8,613,845 km (0.056 R)
• M13: 9,132,202 km (0.085 R)
• M14: 9,534,471 km (0.12 R)
• M15: 12,525,381 km (0.05 R)
• M16: 13,661,726 km (0.064 R)
• M17: 15,611,286 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.7

Radius: 8.8

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.09 AU - 2.87 AU

Year: 2562 Days

Day: 13.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,609,652 km

• M1: 109,954 km (0.116 R)
• M2: 464,352 km (0.119 R)
• M3: 854,802 km (0.105 R)
• M4: 1,594,713 km (0.101 R)
• M5: 2,064,899 km (0.067 R)
• M6: 3,677,564 km (0.069 R)
• M7: 4,359,132 km (0.086 R)
• M8: 5,419,033 km (0.076 R)
• M9: 6,046,896 km (0.04 R)
• M10: 6,430,614 km (0.031 R)
• M11: 7,418,409 km (0.092 R)
• M12: 9,351,512 km (0.112 R)
• M13: 10,434,451 km (0.045 R)
• M14: 11,873,134 km (0.096 R)
• M15: 13,311,219 km (0.097 R)
• M16: 14,588,036 km (0.055 R)
• M17: 16,138,020 km (0.094 R)
• M18: 16,529,667 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.9

Radius: 9.3

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.17 AU - 4.41 AU

Year: 4840 Days

Day: 13.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 39,609,652 km

• M1: 115,639 km (0.114 R)
• M2: 562,338 km (0.039 R)
• M3: 946,356 km (0.09 R)
• M4: 1,671,906 km (0.104 R)
• M5: 2,123,093 km (0.049 R)
• M6: 2,520,724 km (0.067 R)
• M7: 2,855,225 km (0.073 R)
• M8: 4,225,841 km (0.096 R)
• M9: 5,210,344 km (0.091 R)
• M10: 5,503,706 km (0.054 R)
• M11: 6,043,754 km (0.109 R)
• M12: 6,423,284 km (0.037 R)
• M13: 7,290,054 km (0.08 R)
• M14: 7,689,181 km (0.086 R)
• M15: 8,167,745 km (0.089 R)
• M16: 8,531,118 km (0.114 R)
• M17: 13,917,389 km (0.107 R)
• M18: 14,628,727 km (0.095 R)
• M19: 17,445,356 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.7

Radius: 12

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.7 AU - 5.86 AU

Year: 6856 Days

Day: 12.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 39,609,652 km

• M1: 151,543 km (0.079 R)
• M2: 705,354 km (0.085 R)
• M3: 2,050,538 km (0.085 R)
• M4: 8,430,438 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 545.7

Radius: 7.1

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 5.89 AU - 6.31 AU

Year: 9883 Days

Day: 23.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 39,609,652 km

• M1: 88,412 km (0.036 R)
• M2: 478,564 km (0.104 R)
• M3: 1,033,572 km (0.089 R)
• M4: 1,683,874 km (0.044 R)
• M5: 2,445,925 km (0.033 R)
• M6: 2,925,536 km (0.072 R)
• M7: 3,442,247 km (0.048 R)
• M8: 3,710,027 km (0.103 R)
• M9: 4,178,568 km (0.12 R)
• M10: 4,893,795 km (0.046 R)
• M11: 5,959,381 km (0.116 R)
• M12: 7,329,248 km (0.115 R)
• M13: 7,610,343 km (0.085 R)
• M14: 8,108,803 km (0.064 R)
• M15: 8,852,155 km (0.074 R)
• M16: 10,473,646 km (0.11 R)
• M17: 11,461,142 km (0.092 R)
• M18: 12,969,537 km (0.057 R)
• M19: 13,500,460 km (0.066 R)
• M20: 15,703,737 km (0.093 R)
• M21: 17,487,991 km (0.093 R)
• M22: 18,282,057 km (0.113 R)
• M23: 19,864,353 km (0.074 R)
• M24: 21,535,810 km (0.111 R)
• M25: 23,819,871 km (0.076 R)
• M26: 24,083,163 km (0.117 R)
• M27: 24,885,007 km (0.062 R)
• M28: 29,363,220 km (0.107 R)
• M29: 36,985,082 km (0.082 R)
• M30: 38,171,393 km (0.09 R)
• M31: 40,494,947 km (0.114 R)
• M32: 44,088,437 km (0.075 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.2

Radius: 7.8

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 5.76 AU - 7.8 AU

Year: 11581 Days

Day: 22.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 39,609,652 km

• M1: 96,939 km (0.099 R)
• M2: 877,541 km (0.093 R)
• M3: 1,193,193 km (0.1 R)
• M4: 2,179,491 km (0.083 R)
• M5: 5,963,869 km (0.086 R)
• M6: 6,634,067 km (0.098 R)
• M7: 9,695,438 km (0.097 R)
• M8: 12,092,744 km (0.063 R)
• M9: 14,859,407 km (0.119 R)
• M10: 20,527,371 km (0.073 R)
• M11: 21,679,424 km (0.109 R)
• M12: 22,048,183 km (0.1 R)
• M13: 23,102,848 km (0.053 R)
• M14: 23,410,272 km (0.025 R)
• M15: 31,258,026 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 800.1

Radius: 5.2

Gravity: 29.59 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 6.48 AU - 7.82 AU

Year: 12542 Days

Day: 20 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 39,609,652 km

• M1: 64,776 km (0.101 R)
• M2: 378,931 km (0.107 R)
• M3: 607,816 km (0.107 R)
• M4: 895,792 km (0.091 R)
• M5: 1,119,291 km (0.1 R)
• M6: 1,647,970 km (0.117 R)
• M7: 3,206,930 km (0.07 R)
• M8: 4,165,852 km (0.087 R)
• M9: 4,440,514 km (0.051 R)
• M10: 5,267,341 km (0.077 R)
• M11: 6,590,833 km (0.095 R)
• M12: 6,963,930 km (0.079 R)
• M13: 7,177,407 km (0.087 R)
• M14: 9,298,854 km (0.075 R)
• M15: 11,097,320 km (0.117 R)
• M16: 12,355,438 km (0.086 R)
• M17: 12,668,396 km (0.114 R)
• M18: 13,572,865 km (0.112 R)
• M19: 14,728,210 km (0.073 R)
• M20: 15,009,304 km (0.068 R)
• M21: 18,996,386 km (0.113 R)
• M22: 19,162,440 km (0.079 R)
• M23: 19,581,912 km (0.087 R)
• M24: 20,701,054 km (0.063 R)
• M25: 23,540,422 km (0.105 R)
• M26: 24,705,939 km (0.098 R)
• M27: 28,868,500 km (0.03 R)
• M28: 33,233,915 km (0.08 R)
• M29: 33,961,110 km (0.115 R)
• M30: 36,461,639 km (0.072 R)
• M31: 37,105,508 km (0.071 R)
• M32: 51,302,645 km (0.077 R)
• M33: 54,586,169 km (0.07 R)
• M34: 56,622,046 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 218.1

Radius: 7.8

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 6.06 AU - 8.82 AU

Year: 13313 Days

Day: 19.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,609,652 km

• M1: 97,388 km (0.042 R)
• M2: 571,464 km (0.052 R)
• M3: 840,740 km (0.117 R)
• M4: 1,132,157 km (0.115 R)
• M5: 1,622,688 km (0.117 R)
• M6: 1,879,697 km (0.1 R)
• M7: 2,900,703 km (0.085 R)
• M8: 3,282,626 km (0.104 R)
• M9: 4,147,152 km (0.102 R)
• M10: 5,036,063 km (0.103 R)
• M11: 6,815,380 km (0.066 R)
• M12: 8,294,903 km (0.08 R)
• M13: 11,980,994 km (0.066 R)
• M14: 15,092,181 km (0.096 R)
• M15: 18,560,757 km (0.106 R)
• M16: 20,327,508 km (0.062 R)
• M17: 22,283,949 km (0.06 R)
• M18: 31,066,092 km (0.091 R)
• M19: 32,291,149 km (0.105 R)
• M20: 35,604,293 km (0.108 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: 303 - 11,728 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit