🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.7

Radius: 10.6

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.77 AU - 1.03 AU

Year: 579 Days

Day: 8.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,666,093 km

• M1: 131,796 km (0.082 R)
• M2: 489,634 km (0.093 R)
• M3: 943,514 km (0.047 R)
• M4: 1,502,262 km (0.072 R)
• M5: 1,862,643 km (0.057 R)
• M6: 2,473,900 km (0.084 R)
• M7: 3,371,936 km (0.07 R)
• M8: 6,298,070 km (0.106 R)
• M9: 6,664,136 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.7

Radius: 11

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.93 AU - 1.01 AU

Year: 648 Days

Day: 13.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 84.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 75,666,093 km

• M1: 136,732 km (0.114 R)
• M2: 545,284 km (0.109 R)
• M3: 890,706 km (0.07 R)
• M4: 1,264,102 km (0.067 R)
• M5: 1,656,048 km (0.047 R)
• M6: 2,000,872 km (0.054 R)
• M7: 2,519,079 km (0.082 R)
• M8: 3,175,065 km (0.119 R)
• M9: 3,591,097 km (0.065 R)
• M10: 4,534,012 km (0.069 R)
• M11: 5,579,253 km (0.111 R)
• M12: 6,550,143 km (0.11 R)
• M13: 7,607,351 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.8

Radius: 14.8

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.01 AU - 1.33 AU

Year: 858 Days

Day: 11.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,666,093 km

• M1: 184,005 km (0.057 R)
• M2: 1,310,029 km (0.105 R)
• M3: 1,800,560 km (0.038 R)
• M4: 2,350,781 km (0.111 R)
• M5: 2,911,474 km (0.105 R)
• M6: 3,432,523 km (0.118 R)
• M7: 4,257,705 km (0.069 R)
• M8: 4,718,018 km (0.095 R)
• M9: 6,197,541 km (0.083 R)
• M10: 6,814,632 km (0.101 R)
• M11: 7,668,088 km (0.104 R)
• M12: 8,172,532 km (0.115 R)
• M13: 8,834,203 km (0.05 R)
• M14: 10,055,969 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.5

Radius: 10.3

Gravity: 8.89 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.28 AU - 1.66 AU

Year: 1209 Days

Day: 9.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,666,093 km

• M1: 128,056 km (0.084 R)
• M2: 563,086 km (0.081 R)
• M3: 1,600,996 km (0.064 R)
• M4: 2,218,088 km (0.1 R)
• M5: 3,822,974 km (0.057 R)
• M6: 4,867,017 km (0.103 R)
• M7: 6,493,445 km (0.109 R)
• M8: 7,430,377 km (0.098 R)
• M9: 9,985,957 km (0.066 R)
• M10: 10,379,250 km (0.084 R)
• M11: 11,302,418 km (0.118 R)
• M12: 12,279,292 km (0.036 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.8

Radius: 14.7

Gravity: 4.45 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.29 AU - 3.87 AU

Year: 4594 Days

Day: 11.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,666,093 km

• M1: 182,809 km (0.113 R)
• M2: 933,940 km (0.043 R)
• M3: 1,753,437 km (0.078 R)
• M4: 2,486,915 km (0.08 R)
• M5: 3,398,265 km (0.1 R)
• M6: 4,013,412 km (0.05 R)
• M7: 4,650,549 km (0.101 R)
• M8: 5,270,034 km (0.071 R)
• M9: 5,762,959 km (0.069 R)
• M10: 6,318,565 km (0.069 R)
• M11: 7,289,156 km (0.1 R)
• M12: 10,217,983 km (0.048 R)
• M13: 10,895,811 km (0.074 R)
• M14: 14,352,569 km (0.042 R)
• M15: 16,028,215 km (0.092 R)
• M16: 18,881,645 km (0.059 R)
• M17: 21,615,845 km (0.092 R)
• M18: 22,886,529 km (0.047 R)
• M19: 24,206,431 km (0.09 R)
• M20: 25,412,789 km (0.037 R)
• M21: 28,736,704 km (0.107 R)
• M22: 30,180,772 km (0.065 R)
• M23: 31,013,883 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.6

Radius: 13.5

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 3.47 AU - 3.99 AU

Year: 4886 Days

Day: 7.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,666,093 km

• M1: 167,998 km (0.106 R)
• M2: 600,336 km (0.086 R)
• M3: 1,382,883 km (0.096 R)
• M4: 2,077,765 km (0.112 R)
• M5: 2,800,173 km (0.098 R)
• M6: 3,274,548 km (0.039 R)
• M7: 4,748,835 km (0.111 R)
• M8: 5,687,113 km (0.058 R)
• M9: 7,105,899 km (0.097 R)
• M10: 8,030,414 km (0.104 R)
• M11: 9,849,374 km (0.116 R)
• M12: 11,289,403 km (0.028 R)
• M13: 12,369,201 km (0.1 R)
• M14: 14,435,297 km (0.116 R)
• M15: 15,343,506 km (0.058 R)
• M16: 16,504,983 km (0.108 R)
• M17: 17,724,206 km (0.099 R)
• M18: 21,873,303 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.7

Radius: 10.5

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.72 AU - 5.9 AU

Year: 7155 Days

Day: 7.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 75,666,093 km

• M1: 131,347 km (0.117 R)
• M2: 680,820 km (0.117 R)
• M3: 1,031,777 km (0.047 R)
• M4: 2,550,195 km (0.081 R)
• M5: 3,294,444 km (0.073 R)
• M6: 3,892,088 km (0.095 R)
• M7: 4,338,937 km (0.108 R)
• M8: 4,997,766 km (0.105 R)
• M9: 5,689,057 km (0.116 R)
• M10: 6,196,194 km (0.081 R)
• M11: 6,994,149 km (0.119 R)
• M12: 7,497,247 km (0.054 R)
• M13: 9,707,256 km (0.054 R)
• M14: 11,038,378 km (0.094 R)
• M15: 12,769,076 km (0.066 R)
• M16: 13,286,834 km (0.104 R)
• M17: 15,759,238 km (0.099 R)
• M18: 16,088,503 km (0.115 R)
• M19: 18,161,481 km (0.039 R)
• M20: 19,187,423 km (0.047 R)
• M21: 22,580,303 km (0.101 R)
• M22: 25,082,028 km (0.112 R)
• M23: 27,287,848 km (0.027 R)
• M24: 31,246,657 km (0.089 R)
• M25: 37,409,341 km (0.118 R)
• M26: 38,588,920 km (0.112 R)
• M27: 40,774,396 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881.8

Radius: 4.8

Gravity: 38.27 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 5.72 AU - 7.32 AU

Year: 11292 Days

Day: 15.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,666,093 km

• M1: 59,690 km (0.06 R)
• M2: 441,015 km (0.067 R)
• M3: 1,122,732 km (0.068 R)
• M4: 1,353,412 km (0.115 R)
• M5: 1,945,371 km (0.07 R)
• M6: 2,240,677 km (0.114 R)
• M7: 4,274,310 km (0.095 R)
• M8: 7,640,562 km (0.092 R)
• M9: 9,767,843 km (0.032 R)
• M10: 10,797,376 km (0.12 R)
• M11: 12,817,097 km (0.111 R)
• M12: 14,385,630 km (0.067 R)
• M13: 15,145,438 km (0.094 R)
• M14: 19,020,771 km (0.083 R)
• M15: 22,578,358 km (0.084 R)
• M16: 25,545,332 km (0.104 R)
• M17: 29,087,062 km (0.11 R)
• M18: 29,524,037 km (0.104 R)
• M19: 35,985,319 km (0.055 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.2

Radius: 5.8

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.33 AU - 8.47 AU

Year: 13653 Days

Day: 22.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 75,666,093 km

• M1: 72,106 km (0.045 R)
• M2: 270,024 km (0.049 R)
• M3: 830,119 km (0.074 R)
• M4: 1,852,919 km (0.089 R)
• M5: 2,521,472 km (0.064 R)
• M6: 2,889,333 km (0.056 R)
• M7: 3,939,510 km (0.074 R)
• M8: 4,697,822 km (0.112 R)
• M9: 5,384,327 km (0.108 R)
• M10: 6,064,698 km (0.079 R)
• M11: 7,150,629 km (0.098 R)
• M12: 7,886,501 km (0.104 R)
• M13: 8,404,408 km (0.085 R)
• M14: 9,896,348 km (0.117 R)
• M15: 10,244,761 km (0.115 R)
• M16: 11,720,993 km (0.034 R)
• M17: 13,393,797 km (0.102 R)
• M18: 14,893,515 km (0.06 R)
• M19: 16,089,251 km (0.094 R)
• M20: 16,432,429 km (0.042 R)
• M21: 17,781,353 km (0.083 R)
• M22: 18,222,217 km (0.116 R)
• M23: 20,376,576 km (0.072 R)
• M24: 21,597,744 km (0.11 R)
• M25: 24,817,389 km (0.036 R)
• M26: 24,999,899 km (0.102 R)
• M27: 26,972,047 km (0.086 R)
• M28: 29,350,055 km (0.064 R)
• M29: 30,380,784 km (0.077 R)
• M30: 36,603,158 km (0.112 R)
• M31: 37,917,675 km (0.033 R)
• M32: 39,635,806 km (0.111 R)
• M33: 39,885,485 km (0.106 R)
• M34: 41,791,063 km (0.053 R)
• M35: 42,439,570 km (0.113 R)
• M36: 45,100,616 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716.6

Radius: 3.1

Gravity: 74.57 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 8 AU - 10.7 AU

Year: 19391 Days

Day: 23.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 75,666,093 km

• M1: 38,596 km (0.059 R)
• M2: 208,539 km (0.1 R)
• M3: 314,754 km (0.083 R)
• M4: 958,773 km (0.105 R)
• M5: 1,248,843 km (0.053 R)
• M6: 1,980,077 km (0.037 R)
• M7: 2,142,391 km (0.092 R)
• M8: 2,248,306 km (0.078 R)
• M9: 2,781,174 km (0.108 R)
• M10: 4,188,441 km (0.066 R)
• M11: 4,287,475 km (0.057 R)
• M12: 5,366,076 km (0.081 R)
• M13: 5,967,908 km (0.064 R)
• M14: 6,349,981 km (0.025 R)
• M15: 10,308,490 km (0.088 R)
• M16: 10,611,127 km (0.106 R)
• M17: 13,897,343 km (0.108 R)
• M18: 14,341,200 km (0.091 R)
• M19: 17,204,503 km (0.098 R)
• M20: 19,311,440 km (0.102 R)
• M21: 22,079,000 km (0.106 R)
• M22: 23,297,624 km (0.076 R)
• M23: 26,201,768 km (0.098 R)
• M24: 30,933,848 km (0.034 R)
• M25: 32,457,203 km (0.088 R)
• M26: 32,586,306 km (0.101 R)
• M27: 37,325,866 km (0.081 R)
• M28: 44,863,354 km (0.102 R)
• M29: 45,506,775 km (0.045 R)
• M30: 54,257,203 km (0.028 R)
• M31: 62,653,383 km (0.12 R)
• M32: 64,675,199 km (0.049 R)
• M33: 66,323,618 km (0.097 R)
• M34: 68,211,393 km (0.045 R)
• M35: 72,754,830 km (0.119 R)
• M36: 73,642,544 km (0.117 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: 401 - 15,890 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit