🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.1

Radius: 13.7

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.52 AU - 0.56 AU

Year: 269 Days

Day: 8.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,180,783 km

• M1: 170,392 km (0.097 R)
• M2: 610,958 km (0.053 R)
• M3: 1,145,471 km (0.046 R)
• M4: 1,582,596 km (0.112 R)
• M5: 2,604,200 km (0.051 R)
• M6: 3,209,323 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.2

Radius: 12.1

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.5 AU - 0.66 AU

Year: 300 Days

Day: 10.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,180,783 km

• M1: 150,495 km (0.096 R)
• M2: 557,102 km (0.119 R)
• M3: 961,017 km (0.099 R)
• M4: 1,393,355 km (0.082 R)
• M5: 1,783,655 km (0.068 R)
• M6: 2,298,272 km (0.105 R)
• M7: 2,774,293 km (0.067 R)
• M8: 3,326,757 km (0.119 R)
• M9: 3,723,341 km (0.11 R)
• M10: 4,424,507 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.5

Radius: 8

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.69 AU - 0.99 AU

Year: 522 Days

Day: 6.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,180,783 km

• M1: 99,483 km (0.082 R)
• M2: 558,898 km (0.095 R)
• M3: 829,670 km (0.053 R)
• M4: 1,153,400 km (0.072 R)
• M5: 1,528,890 km (0.101 R)
• M6: 2,333,278 km (0.062 R)
• M7: 2,819,621 km (0.057 R)
• M8: 3,273,351 km (0.099 R)
• M9: 3,563,720 km (0.109 R)
• M10: 4,472,528 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.4

Radius: 12.3

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.12 AU - 1.68 AU

Year: 1124 Days

Day: 11.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 60,180,783 km

• M1: 157,227 km (0.101 R)
• M2: 584,180 km (0.105 R)
• M3: 982,858 km (0.063 R)
• M4: 1,397,543 km (0.104 R)
• M5: 1,961,976 km (0.082 R)
• M6: 2,476,144 km (0.05 R)
• M7: 3,037,286 km (0.109 R)
• M8: 3,571,350 km (0.119 R)
• M9: 5,433,095 km (0.073 R)
• M10: 6,866,243 km (0.104 R)
• M11: 7,447,730 km (0.075 R)
• M12: 8,884,468 km (0.077 R)
• M13: 9,637,693 km (0.115 R)
• M14: 10,897,158 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.5

Radius: 14.8

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.62 AU - 2.54 AU

Year: 2035 Days

Day: 9 Hours

Environment

Temp: -203 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,180,783 km

• M1: 184,155 km (0.109 R)
• M2: 1,533,229 km (0.075 R)
• M3: 2,409,872 km (0.103 R)
• M4: 3,326,009 km (0.067 R)
• M5: 3,819,383 km (0.118 R)
• M6: 4,955,878 km (0.101 R)
• M7: 6,075,020 km (0.102 R)
• M8: 7,473,610 km (0.074 R)
• M9: 8,423,258 km (0.072 R)
• M10: 9,212,686 km (0.061 R)
• M11: 10,304,900 km (0.104 R)
• M12: 11,286,112 km (0.112 R)
• M13: 13,654,994 km (0.064 R)
• M14: 14,284,203 km (0.083 R)
• M15: 15,264,368 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.8

Radius: 9.3

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 2.73 AU - 4.15 AU

Year: 4327 Days

Day: 8.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,180,783 km

• M1: 115,938 km (0.046 R)
• M2: 509,979 km (0.117 R)
• M3: 961,914 km (0.056 R)
• M4: 1,431,502 km (0.105 R)
• M5: 2,205,222 km (0.062 R)
• M6: 3,029,955 km (0.074 R)
• M7: 3,672,927 km (0.103 R)
• M8: 4,490,928 km (0.07 R)
• M9: 4,804,336 km (0.036 R)
• M10: 5,652,705 km (0.106 R)
• M11: 6,180,636 km (0.053 R)
• M12: 6,512,893 km (0.043 R)
• M13: 6,886,289 km (0.097 R)
• M14: 8,357,135 km (0.107 R)
• M15: 9,327,128 km (0.066 R)
• M16: 9,802,251 km (0.079 R)
• M17: 13,270,977 km (0.056 R)
• M18: 14,061,003 km (0.077 R)
• M19: 15,786,016 km (0.086 R)
• M20: 16,461,151 km (0.059 R)
• M21: 16,993,570 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 735.4

Radius: 4.3

Gravity: 39.77 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.88 AU - 6.7 AU

Year: 9450 Days

Day: 21.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,180,783 km

• M1: 97,837 km (0.112 R)
• M2: 503,247 km (0.032 R)
• M3: 962,214 km (0.092 R)
• M4: 2,387,133 km (0.117 R)
• M5: 3,355,031 km (0.062 R)
• M6: 4,074,896 km (0.099 R)
• M7: 5,017,662 km (0.077 R)
• M8: 5,177,134 km (0.085 R)
• M9: 6,097,310 km (0.118 R)
• M10: 6,539,372 km (0.057 R)
• M11: 7,363,955 km (0.096 R)
• M12: 7,611,839 km (0.059 R)
• M13: 8,478,160 km (0.06 R)
• M14: 14,637,104 km (0.085 R)
• M15: 16,246,179 km (0.057 R)
• M16: 17,021,545 km (0.034 R)
• M17: 18,722,174 km (0.118 R)
• M18: 22,977,635 km (0.092 R)
• M19: 25,515,862 km (0.076 R)
• M20: 26,178,431 km (0.115 R)
• M21: 34,012,123 km (0.05 R)
• M22: 38,518,460 km (0.111 R)
• M23: 44,214,847 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 922.8

Radius: 6.4

Gravity: 22.53 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 6.17 AU - 6.29 AU

Year: 10547 Days

Day: 23.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,180,783 km

• M1: 79,586 km (0.059 R)
• M2: 865,573 km (0.109 R)
• M3: 1,294,919 km (0.086 R)
• M4: 1,664,426 km (0.107 R)
• M5: 2,047,995 km (0.118 R)
• M6: 2,743,027 km (0.12 R)
• M7: 3,827,013 km (0.118 R)
• M8: 5,376,099 km (0.094 R)
• M9: 5,729,898 km (0.12 R)
• M10: 6,251,246 km (0.091 R)
• M11: 6,563,008 km (0.091 R)
• M12: 7,091,687 km (0.086 R)
• M13: 7,915,074 km (0.059 R)
• M14: 10,169,663 km (0.058 R)
• M15: 11,044,960 km (0.064 R)
• M16: 13,387,513 km (0.109 R)
• M17: 14,037,666 km (0.115 R)
• M18: 17,838,948 km (0.033 R)
• M19: 18,625,832 km (0.098 R)
• M20: 19,190,265 km (0.042 R)
• M21: 20,016,195 km (0.109 R)
• M22: 20,951,930 km (0.072 R)
• M23: 22,636,252 km (0.034 R)
• M24: 23,933,864 km (0.09 R)
• M25: 24,890,393 km (0.098 R)
• M26: 27,186,870 km (0.098 R)
• M27: 28,122,754 km (0.086 R)
• M28: 30,723,064 km (0.118 R)
• M29: 30,946,863 km (0.1 R)
• M30: 32,659,160 km (0.091 R)
• M31: 35,528,746 km (0.113 R)
• M32: 43,710,703 km (0.081 R)
• M33: 43,993,742 km (0.061 R)
• M34: 44,563,411 km (0.111 R)
• M35: 50,845,324 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801.3

Radius: 4.7

Gravity: 36.27 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 5.79 AU - 6.83 AU

Year: 10751 Days

Day: 23.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,180,783 km

• M1: 58,493 km (0.081 R)
• M2: 427,401 km (0.093 R)
• M3: 763,248 km (0.116 R)
• M4: 926,011 km (0.066 R)
• M5: 1,171,501 km (0.077 R)
• M6: 1,681,929 km (0.089 R)
• M7: 2,762,025 km (0.097 R)
• M8: 3,247,620 km (0.087 R)
• M9: 3,396,320 km (0.107 R)
• M10: 3,788,117 km (0.083 R)
• M11: 7,851,644 km (0.08 R)
• M12: 13,359,987 km (0.077 R)
• M13: 14,199,082 km (0.104 R)
• M14: 14,598,059 km (0.113 R)
• M15: 15,418,305 km (0.08 R)
• M16: 15,768,962 km (0.11 R)
• M17: 17,150,199 km (0.053 R)
• M18: 18,452,598 km (0.087 R)
• M19: 22,127,021 km (0.109 R)
• M20: 32,687,284 km (0.12 R)
• M21: 40,218,789 km (0.077 R)
• M22: 46,899,531 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707

Radius: 7.5

Gravity: 12.57 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 7.34 AU - 7.6 AU

Year: 13848 Days

Day: 24.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 60,180,783 km

• M1: 93,349 km (0.09 R)
• M2: 618,587 km (0.065 R)
• M3: 853,306 km (0.044 R)
• M4: 1,329,327 km (0.119 R)
• M5: 1,900,791 km (0.101 R)
• M6: 2,233,047 km (0.074 R)
• M7: 3,287,413 km (0.056 R)
• M8: 4,204,299 km (0.089 R)
• M9: 4,576,947 km (0.101 R)
• M10: 4,971,287 km (0.085 R)
• M11: 6,697,048 km (0.081 R)
• M12: 7,514,451 km (0.113 R)
• M13: 8,396,629 km (0.096 R)
• M14: 8,938,024 km (0.029 R)
• M15: 11,104,351 km (0.106 R)
• M16: 12,686,647 km (0.039 R)
• M17: 13,267,835 km (0.104 R)
• M18: 15,478,592 km (0.106 R)
• M19: 17,211,684 km (0.059 R)
• M20: 18,003,954 km (0.119 R)
• M21: 19,237,837 km (0.084 R)
• M22: 21,148,053 km (0.111 R)
• M23: 26,262,505 km (0.045 R)
• M24: 28,171,523 km (0.111 R)
• M25: 30,284,892 km (0.029 R)
• M26: 31,205,517 km (0.089 R)
• M27: 32,501,633 km (0.034 R)
• M28: 33,102,568 km (0.083 R)
• M29: 36,605,103 km (0.12 R)
• M30: 37,255,555 km (0.077 R)
• M31: 38,046,329 km (0.085 R)
• M32: 45,075,634 km (0.081 R)
• M33: 49,841,822 km (0.117 R)
• M34: 51,124,324 km (0.057 R)
• M35: 52,428,519 km (0.089 R)
• M36: 53,587,752 km (0.053 R)
• M37: 58,219,602 km (0.092 R)
• M38: 60,180,830 km (0.109 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 15,588 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit