🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.53 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.1

Radius: 9.9

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.99 AU - 1.11 AU

Year: 717 Days

Day: 6.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,955,803 km

• M1: 123,119 km (0.06 R)
• M2: 444,754 km (0.047 R)
• M3: 755,768 km (0.096 R)
• M4: 1,064,987 km (0.058 R)
• M5: 1,446,312 km (0.082 R)
• M6: 1,759,271 km (0.11 R)
• M7: 2,167,374 km (0.052 R)
• M8: 2,536,581 km (0.084 R)
• M9: 3,176,412 km (0.088 R)
• M10: 3,513,904 km (0.086 R)
• M11: 4,088,659 km (0.082 R)
• M12: 5,184,613 km (0.083 R)
• M13: 5,558,458 km (0.087 R)
• M14: 5,990,497 km (0.107 R)
• M15: 6,899,753 km (0.116 R)
• M16: 8,318,988 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.3

Radius: 8

Gravity: 12.24 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.43 AU - 5.25 AU

Year: 6029 Days

Day: 12.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,955,803 km

• M1: 99,483 km (0.093 R)
• M2: 650,152 km (0.087 R)
• M3: 1,193,342 km (0.119 R)
• M4: 1,628,971 km (0.102 R)
• M5: 1,950,756 km (0.114 R)
• M6: 2,630,828 km (0.05 R)
• M7: 3,264,375 km (0.056 R)
• M8: 3,732,766 km (0.058 R)
• M9: 4,119,177 km (0.11 R)
• M10: 4,748,536 km (0.108 R)
• M11: 5,086,627 km (0.109 R)
• M12: 5,654,650 km (0.06 R)
• M13: 6,002,315 km (0.098 R)
• M14: 7,351,838 km (0.057 R)
• M15: 8,892,696 km (0.119 R)
• M16: 10,828,791 km (0.111 R)
• M17: 11,920,706 km (0.031 R)
• M18: 16,963,351 km (0.039 R)
• M19: 19,553,638 km (0.042 R)
• M20: 20,793,506 km (0.071 R)
• M21: 22,318,207 km (0.101 R)
• M22: 24,162,150 km (0.088 R)
• M23: 24,826,664 km (0.104 R)
• M24: 29,259,100 km (0.046 R)
• M25: 34,295,611 km (0.061 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.7

Radius: 4.1

Gravity: 18.96 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 4.69 AU - 7.09 AU

Year: 9532 Days

Day: 16.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 44.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,955,803 km

• M1: 143,315 km (0.066 R)
• M2: 301,290 km (0.097 R)
• M3: 438,771 km (0.099 R)
• M4: 619,036 km (0.075 R)
• M5: 822,788 km (0.06 R)
• M6: 1,195,287 km (0.081 R)
• M7: 1,342,042 km (0.092 R)
• M8: 1,797,867 km (0.076 R)
• M9: 1,945,371 km (0.116 R)
• M10: 2,117,109 km (0.072 R)
• M11: 3,686,241 km (0.111 R)
• M12: 3,876,679 km (0.064 R)
• M13: 4,174,678 km (0.065 R)
• M14: 4,381,722 km (0.102 R)
• M15: 5,073,013 km (0.09 R)
• M16: 5,676,342 km (0.065 R)
• M17: 5,866,331 km (0.063 R)
• M18: 6,916,209 km (0.089 R)
• M19: 8,447,941 km (0.094 R)
• M20: 8,821,487 km (0.072 R)
• M21: 9,556,761 km (0.108 R)
• M22: 11,197,700 km (0.083 R)
• M23: 11,699,002 km (0.057 R)
• M24: 12,110,696 km (0.103 R)
• M25: 12,692,482 km (0.08 R)
• M26: 15,945,487 km (0.1 R)
• M27: 17,897,740 km (0.056 R)
• M28: 20,666,048 km (0.084 R)
• M29: 22,347,080 km (0.097 R)
• M30: 25,719,165 km (0.066 R)
• M31: 30,175,386 km (0.103 R)
• M32: 32,233,105 km (0.1 R)
• M33: 34,382,378 km (0.046 R)
• M34: 35,119,596 km (0.066 R)
• M35: 35,974,847 km (0.05 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551.5

Radius: 6.9

Gravity: 11.58 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 5.57 AU - 7.77 AU

Year: 11487 Days

Day: 15.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,955,803 km

• M1: 85,869 km (0.119 R)
• M2: 301,141 km (0.092 R)
• M3: 703,409 km (0.117 R)
• M4: 974,032 km (0.095 R)
• M5: 1,252,134 km (0.029 R)
• M6: 1,526,347 km (0.083 R)
• M7: 2,325,948 km (0.097 R)
• M8: 2,915,662 km (0.076 R)
• M9: 3,450,774 km (0.064 R)
• M10: 6,007,551 km (0.09 R)
• M11: 7,816,638 km (0.108 R)
• M12: 8,208,884 km (0.075 R)
• M13: 10,062,402 km (0.071 R)
• M14: 12,765,186 km (0.12 R)
• M15: 16,547,020 km (0.11 R)
• M16: 19,710,567 km (0.111 R)
• M17: 21,014,761 km (0.067 R)
• M18: 31,032,433 km (0.11 R)
• M19: 31,905,187 km (0.058 R)
• M20: 32,682,198 km (0.094 R)
• M21: 34,389,409 km (0.055 R)
• M22: 40,638,411 km (0.097 R)
• M23: 41,288,863 km (0.108 R)
• M24: 44,646,288 km (0.029 R)
• M25: 45,060,973 km (0.059 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 315.6

Radius: 4.5

Gravity: 15.59 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.71 AU - 8.47 AU

Year: 12589 Days

Day: 21.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,955,803 km

• M1: 55,950 km (0.072 R)
• M2: 514,916 km (0.089 R)
• M3: 1,107,323 km (0.111 R)
• M4: 1,984,565 km (0.11 R)
• M5: 2,402,691 km (0.114 R)
• M6: 4,036,749 km (0.07 R)
• M7: 4,853,105 km (0.066 R)
• M8: 6,258,128 km (0.042 R)
• M9: 7,385,497 km (0.108 R)
• M10: 7,830,850 km (0.031 R)
• M11: 9,507,543 km (0.103 R)
• M12: 12,505,634 km (0.097 R)
• M13: 13,972,292 km (0.065 R)
• M14: 15,096,669 km (0.067 R)
• M15: 16,280,138 km (0.053 R)
• M16: 27,093,820 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 611.5

Radius: 6

Gravity: 16.99 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.71 AU - 9.45 AU

Year: 15316 Days

Day: 19.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,955,803 km

• M1: 90,656 km (0.106 R)
• M2: 375,491 km (0.115 R)
• M3: 650,003 km (0.117 R)
• M4: 889,958 km (0.096 R)
• M5: 2,044,255 km (0.08 R)
• M6: 2,814,834 km (0.033 R)
• M7: 5,327,779 km (0.067 R)
• M8: 6,474,446 km (0.036 R)
• M9: 7,684,992 km (0.074 R)
• M10: 17,603,780 km (0.084 R)
• M11: 21,173,484 km (0.119 R)
• M12: 21,536,708 km (0.082 R)
• M13: 22,275,572 km (0.079 R)
• M14: 26,855,810 km (0.093 R)
• M15: 36,768,015 km (0.109 R)
• M16: 38,089,263 km (0.102 R)
• M17: 39,032,927 km (0.116 R)
• M18: 43,545,547 km (0.058 R)
• M19: 48,237,235 km (0.084 R)
• M20: 51,110,262 km (0.099 R)
• M21: 53,926,442 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 730.8

Radius: 6.6

Gravity: 16.78 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 8.33 AU - 8.49 AU

Year: 16264 Days

Day: 15.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 63,955,803 km

• M1: 83,625 km (0.097 R)
• M2: 802,443 km (0.051 R)
• M3: 1,732,044 km (0.037 R)
• M4: 1,945,520 km (0.109 R)
• M5: 2,491,253 km (0.054 R)
• M6: 3,291,452 km (0.071 R)
• M7: 8,691,935 km (0.098 R)
• M8: 9,984,162 km (0.119 R)
• M9: 12,809,916 km (0.107 R)
• M10: 14,915,656 km (0.066 R)
• M11: 15,818,928 km (0.118 R)
• M12: 19,887,990 km (0.06 R)
• M13: 22,990,201 km (0.085 R)
• M14: 34,203,758 km (0.073 R)
• M15: 39,752,642 km (0.1 R)
• M16: 54,851,705 km (0.079 R)
• M17: 57,538,931 km (0.117 R)
• M18: 64,343,839 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 295.9

Radius: 3.9

Gravity: 19.45 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 7.21 AU - 10.03 AU

Year: 16877 Days

Day: 22.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 63,955,803 km

• M1: 48,619 km (0.111 R)
• M2: 368,160 km (0.09 R)
• M3: 672,891 km (0.106 R)
• M4: 803,191 km (0.057 R)
• M5: 981,960 km (0.117 R)
• M6: 1,729,950 km (0.094 R)
• M7: 1,926,372 km (0.06 R)
• M8: 2,344,199 km (0.081 R)
• M9: 2,605,845 km (0.106 R)
• M10: 3,283,524 km (0.111 R)
• M11: 3,508,070 km (0.078 R)
• M12: 3,769,418 km (0.11 R)
• M13: 4,272,366 km (0.116 R)
• M14: 6,617,911 km (0.104 R)
• M15: 7,180,698 km (0.117 R)
• M16: 7,862,266 km (0.047 R)
• M17: 8,773,466 km (0.106 R)
• M18: 10,587,341 km (0.081 R)
• M19: 10,912,117 km (0.038 R)
• M20: 12,396,727 km (0.046 R)
• M21: 12,757,557 km (0.093 R)
• M22: 13,249,435 km (0.118 R)
• M23: 17,423,814 km (0.042 R)
• M24: 17,876,497 km (0.088 R)
• M25: 20,673,977 km (0.092 R)
• M26: 21,266,534 km (0.099 R)
• M27: 21,437,824 km (0.085 R)
• M28: 22,220,221 km (0.119 R)
• M29: 24,026,914 km (0.102 R)
• M30: 26,916,846 km (0.099 R)
• M31: 27,929,324 km (0.11 R)
• M32: 28,757,348 km (0.083 R)
• M33: 31,561,710 km (0.078 R)
• M34: 40,398,157 km (0.116 R)
• M35: 41,723,893 km (0.08 R)
• M36: 42,669,053 km (0.119 R)
• M37: 48,641,000 km (0.111 R)
• M38: 50,749,133 km (0.091 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373.7

Radius: 7.4

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 9.73 AU - 10.13 AU

Year: 20867 Days

Day: 18 Hours

Environment

Temp: -226 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 63,955,803 km

• M1: 92,751 km (0.075 R)
• M2: 358,586 km (0.03 R)
• M3: 618,438 km (0.052 R)
• M4: 997,070 km (0.087 R)
• M5: 2,224,221 km (0.118 R)
• M6: 3,096,526 km (0.087 R)
• M7: 4,303,183 km (0.112 R)
• M8: 6,068,138 km (0.115 R)
• M9: 7,744,383 km (0.108 R)
• M10: 8,219,505 km (0.109 R)
• M11: 9,123,675 km (0.115 R)
• M12: 10,659,447 km (0.119 R)
• M13: 14,024,950 km (0.114 R)
• M14: 17,711,640 km (0.091 R)
• M15: 18,369,272 km (0.072 R)
• M16: 21,346,719 km (0.073 R)
• M17: 21,716,824 km (0.108 R)
• M18: 23,929,077 km (0.049 R)
• M19: 27,577,021 km (0.115 R)
• M20: 29,361,724 km (0.093 R)
• M21: 43,022,552 km (0.083 R)
• M22: 44,660,200 km (0.067 R)
• M23: 49,821,925 km (0.101 R)
• M24: 56,242,217 km (0.077 R)
• M25: 57,303,764 km (0.116 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: 486 - 18,952 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit