🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.9

Radius: 13.4

Gravity: 5.23 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.55 AU - 0.87 AU

Year: 413 Days

Day: 15 Hours

Environment

Temp: -150 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,242,304 km

• M1: 166,802 km (0.106 R)
• M2: 666,010 km (0.061 R)
• M3: 1,375,253 km (0.093 R)
• M4: 2,255,188 km (0.107 R)
• M5: 3,050,151 km (0.086 R)
• M6: 3,483,087 km (0.049 R)
• M7: 4,092,998 km (0.07 R)
• M8: 4,819,295 km (0.114 R)
• M9: 5,246,397 km (0.112 R)
• M10: 5,979,128 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.6

Radius: 14.7

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.75 AU - 1.05 AU

Year: 589 Days

Day: 10 Hours

Environment

Temp: -163 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,242,304 km

• M1: 182,809 km (0.051 R)
• M2: 684,859 km (0.117 R)
• M3: 1,259,315 km (0.061 R)
• M4: 1,951,504 km (0.102 R)
• M5: 2,510,701 km (0.038 R)
• M6: 3,358,323 km (0.09 R)
• M7: 4,085,518 km (0.101 R)
• M8: 4,555,704 km (0.062 R)
• M9: 5,013,174 km (0.076 R)
• M10: 6,077,264 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.8

Radius: 8.8

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1 AU - 1.02 AU

Year: 701 Days

Day: 11.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,242,304 km

• M1: 109,506 km (0.089 R)
• M2: 422,614 km (0.099 R)
• M3: 790,625 km (0.066 R)
• M4: 1,110,465 km (0.107 R)
• M5: 1,410,110 km (0.098 R)
• M6: 1,703,920 km (0.117 R)
• M7: 2,169,020 km (0.099 R)
• M8: 2,634,718 km (0.095 R)
• M9: 3,270,658 km (0.117 R)
• M10: 3,991,720 km (0.079 R)
• M11: 4,514,116 km (0.108 R)
• M12: 5,291,576 km (0.087 R)
• M13: 5,729,748 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.1

Radius: 14.3

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.21 AU - 1.75 AU

Year: 1243 Days

Day: 13 Hours

Environment

Temp: -181 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,242,304 km

• M1: 177,872 km (0.115 R)
• M2: 648,208 km (0.086 R)
• M3: 1,373,458 km (0.11 R)
• M4: 1,855,911 km (0.097 R)
• M5: 2,443,083 km (0.088 R)
• M6: 3,128,839 km (0.074 R)
• M7: 3,742,490 km (0.082 R)
• M8: 4,838,893 km (0.045 R)
• M9: 6,100,751 km (0.114 R)
• M10: 6,704,677 km (0.038 R)
• M11: 7,437,109 km (0.106 R)
• M12: 7,962,496 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.3

Radius: 14

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.84 AU - 4.02 AU

Year: 5378 Days

Day: 8.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 81,242,304 km

• M1: 174,132 km (0.062 R)
• M2: 637,287 km (0.063 R)
• M3: 2,529,401 km (0.072 R)
• M4: 3,818,635 km (0.102 R)
• M5: 8,970,337 km (0.058 R)
• M6: 10,717,191 km (0.112 R)
• M7: 12,820,089 km (0.099 R)
• M8: 21,154,485 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.2

Radius: 10.9

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.1 AU - 4.12 AU

Year: 5751 Days

Day: 8.7 Hours

Environment

Temp: -215 °C

Axial Tilt: 156.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,242,304 km

• M1: 136,583 km (0.106 R)
• M2: 493,374 km (0.087 R)
• M3: 1,117,646 km (0.081 R)
• M4: 1,487,601 km (0.119 R)
• M5: 2,149,572 km (0.09 R)
• M6: 4,599,686 km (0.1 R)
• M7: 6,771,697 km (0.077 R)
• M8: 7,885,005 km (0.085 R)
• M9: 8,245,386 km (0.076 R)
• M10: 9,433,343 km (0.115 R)
• M11: 10,428,617 km (0.066 R)
• M12: 11,676,862 km (0.072 R)
• M13: 12,530,168 km (0.081 R)
• M14: 14,307,989 km (0.104 R)
• M15: 16,833,351 km (0.051 R)
• M16: 21,330,712 km (0.047 R)
• M17: 24,306,064 km (0.111 R)
• M18: 26,490,193 km (0.053 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 39.9

Radius: 3

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.83 AU - 7.11 AU

Year: 10069 Days

Day: 24.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,242,304 km

• M1: 190,887 km (0.082 R)
• M2: 384,018 km (0.088 R)
• M3: 571,015 km (0.075 R)
• M4: 1,723,517 km (0.1 R)
• M5: 2,748,262 km (0.119 R)
• M6: 3,036,238 km (0.095 R)
• M7: 3,961,202 km (0.075 R)
• M8: 5,248,192 km (0.097 R)
• M9: 9,610,766 km (0.1 R)
• M10: 18,332,321 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 493.8

Radius: 7

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 7.32 AU - 9.6 AU

Year: 16985 Days

Day: 17.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,242,304 km

• M1: 87,066 km (0.113 R)
• M2: 318,943 km (0.053 R)
• M3: 669,151 km (0.099 R)
• M4: 985,551 km (0.06 R)
• M5: 1,385,575 km (0.113 R)
• M6: 1,671,607 km (0.104 R)
• M7: 2,070,285 km (0.107 R)
• M8: 2,425,430 km (0.1 R)
• M9: 2,751,703 km (0.096 R)
• M10: 3,257,643 km (0.09 R)
• M11: 4,810,320 km (0.068 R)
• M12: 5,654,500 km (0.087 R)
• M13: 7,816,040 km (0.074 R)
• M14: 8,239,252 km (0.055 R)
• M15: 8,578,839 km (0.094 R)
• M16: 11,282,971 km (0.077 R)
• M17: 12,193,573 km (0.098 R)
• M18: 12,891,896 km (0.095 R)
• M19: 21,495,269 km (0.107 R)
• M20: 22,325,687 km (0.059 R)
• M21: 24,346,156 km (0.073 R)
• M22: 25,553,859 km (0.1 R)
• M23: 26,485,555 km (0.12 R)
• M24: 27,762,672 km (0.109 R)
• M25: 29,080,330 km (0.108 R)
• M26: 30,209,794 km (0.058 R)
• M27: 35,656,054 km (0.054 R)
• M28: 38,947,506 km (0.118 R)
• M29: 48,913,717 km (0.047 R)
• M30: 51,483,060 km (0.115 R)
• M31: 53,972,219 km (0.116 R)
• M32: 57,414,316 km (0.11 R)
• M33: 57,942,995 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391.4

Radius: 4.4

Gravity: 20.22 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 7.22 AU - 10.26 AU

Year: 17835 Days

Day: 23.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,242,304 km

• M1: 56,847 km (0.078 R)
• M2: 215,122 km (0.104 R)
• M3: 424,708 km (0.108 R)
• M4: 619,485 km (0.113 R)
• M5: 784,491 km (0.052 R)
• M6: 1,058,405 km (0.11 R)
• M7: 1,283,400 km (0.028 R)
• M8: 1,712,896 km (0.076 R)
• M9: 2,647,284 km (0.109 R)
• M10: 2,896,514 km (0.115 R)
• M11: 4,262,043 km (0.119 R)
• M12: 4,541,043 km (0.094 R)
• M13: 4,766,338 km (0.041 R)
• M14: 4,965,453 km (0.079 R)
• M15: 5,274,372 km (0.113 R)
• M16: 6,006,803 km (0.074 R)
• M17: 8,319,586 km (0.036 R)
• M18: 9,206,103 km (0.111 R)
• M19: 9,672,250 km (0.103 R)
• M20: 10,992,003 km (0.044 R)
• M21: 12,678,120 km (0.095 R)
• M22: 13,319,895 km (0.096 R)
• M23: 15,374,921 km (0.084 R)
• M24: 17,474,826 km (0.11 R)
• M25: 19,673,766 km (0.066 R)
• M26: 20,707,636 km (0.087 R)
• M27: 22,883,089 km (0.104 R)
• M28: 27,788,403 km (0.117 R)
• M29: 29,641,472 km (0.099 R)
• M30: 30,427,908 km (0.09 R)
• M31: 44,971,513 km (0.114 R)
• M32: 50,003,088 km (0.091 R)
• M33: 52,735,793 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 913.8

Radius: 5.2

Gravity: 33.79 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.87 AU - 10.43 AU

Year: 19105 Days

Day: 24.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 81,242,304 km

• M1: 64,925 km (0.036 R)
• M2: 227,090 km (0.06 R)
• M3: 578,645 km (0.09 R)
• M4: 795,113 km (0.097 R)
• M5: 1,078,301 km (0.102 R)
• M6: 1,348,326 km (0.06 R)
• M7: 1,575,415 km (0.098 R)
• M8: 1,865,785 km (0.117 R)
• M9: 2,436,501 km (0.09 R)
• M10: 3,727,231 km (0.086 R)
• M11: 3,915,575 km (0.07 R)
• M12: 4,143,263 km (0.068 R)
• M13: 4,661,170 km (0.11 R)
• M14: 4,843,081 km (0.113 R)
• M15: 7,074,483 km (0.072 R)
• M16: 8,017,847 km (0.09 R)
• M17: 10,769,700 km (0.098 R)
• M18: 11,347,746 km (0.094 R)
• M19: 12,705,646 km (0.11 R)
• M20: 13,133,347 km (0.064 R)
• M21: 15,257,038 km (0.086 R)
• M22: 17,078,243 km (0.112 R)
• M23: 19,411,521 km (0.085 R)
• M24: 21,746,444 km (0.116 R)
• M25: 30,871,914 km (0.091 R)
• M26: 33,361,522 km (0.087 R)
• M27: 36,123,398 km (0.108 R)
• M28: 36,980,743 km (0.12 R)
• M29: 47,494,930 km (0.06 R)
• M30: 51,878,447 km (0.079 R)
• M31: 55,008,633 km (0.089 R)
• M32: 55,763,055 km (0.1 R)
• M33: 63,689,797 km (0.089 R)
• M34: 77,172,156 km (0.081 R)
• M35: 79,789,820 km (0.096 R)
• M36: 80,030,672 km (0.037 R)
• M37: 80,513,873 km (0.105 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 13,176 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit