🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.2

Radius: 11

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.62 AU - 0.68 AU

Year: 349 Days

Day: 8.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 88,225,348 km

• M1: 136,882 km (0.089 R)
• M2: 524,191 km (0.069 R)
• M3: 874,250 km (0.109 R)
• M4: 1,378,694 km (0.103 R)
• M5: 2,024,508 km (0.068 R)
• M6: 3,371,338 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.6

Radius: 11.4

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.76 AU - 0.82 AU

Year: 468 Days

Day: 12.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,225,348 km

• M1: 141,819 km (0.088 R)
• M2: 525,687 km (0.084 R)
• M3: 904,918 km (0.082 R)
• M4: 1,343,538 km (0.091 R)
• M5: 1,703,920 km (0.118 R)
• M6: 2,087,638 km (0.117 R)
• M7: 2,558,572 km (0.1 R)
• M8: 3,530,959 km (0.096 R)
• M9: 4,674,933 km (0.072 R)
• M10: 5,070,171 km (0.104 R)
• M11: 5,604,235 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.2

Radius: 13.7

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.06 AU - 1.14 AU

Year: 769 Days

Day: 12.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 88,225,348 km

• M1: 170,392 km (0.107 R)
• M2: 703,409 km (0.095 R)
• M3: 1,247,945 km (0.052 R)
• M4: 1,739,823 km (0.076 R)
• M5: 2,914,167 km (0.045 R)
• M6: 3,624,756 km (0.087 R)
• M7: 4,563,483 km (0.087 R)
• M8: 5,361,438 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 384.8

Radius: 8.5

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.46 AU - 1.52 AU

Year: 1213 Days

Day: 7.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 88,225,348 km

• M1: 105,766 km (0.119 R)
• M2: 375,042 km (0.097 R)
• M3: 810,820 km (0.057 R)
• M4: 1,469,051 km (0.028 R)
• M5: 1,985,613 km (0.088 R)
• M6: 2,324,452 km (0.107 R)
• M7: 2,689,620 km (0.114 R)
• M8: 3,146,193 km (0.064 R)
• M9: 3,421,602 km (0.118 R)
• M10: 3,849,752 km (0.083 R)
• M11: 5,013,174 km (0.092 R)
• M12: 5,371,312 km (0.1 R)
• M13: 5,726,158 km (0.072 R)
• M14: 6,593,227 km (0.119 R)
• M15: 6,908,430 km (0.089 R)
• M16: 7,642,656 km (0.099 R)
• M17: 8,665,606 km (0.045 R)
• M18: 9,434,240 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.8

Radius: 13

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.49 AU - 1.73 AU

Year: 1362 Days

Day: 14.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 88,225,348 km

• M1: 162,912 km (0.107 R)
• M2: 965,804 km (0.051 R)
• M3: 1,763,908 km (0.111 R)
• M4: 3,336,930 km (0.108 R)
• M5: 4,171,686 km (0.11 R)
• M6: 5,141,230 km (0.083 R)
• M7: 5,997,528 km (0.09 R)
• M8: 7,205,681 km (0.096 R)
• M9: 7,688,283 km (0.108 R)
• M10: 8,135,282 km (0.106 R)
• M11: 9,051,120 km (0.108 R)
• M12: 10,433,703 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.4

Radius: 8.2

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.43 AU - 2.01 AU

Year: 1504 Days

Day: 13.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,225,348 km

• M1: 102,026 km (0.116 R)
• M2: 366,964 km (0.098 R)
• M3: 734,077 km (0.098 R)
• M4: 1,044,193 km (0.09 R)
• M5: 1,867,430 km (0.077 R)
• M6: 2,178,893 km (0.102 R)
• M7: 3,068,701 km (0.117 R)
• M8: 3,688,336 km (0.067 R)
• M9: 4,388,753 km (0.104 R)
• M10: 5,446,110 km (0.03 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.4

Radius: 8.7

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.61 AU - 4.35 AU

Year: 5295 Days

Day: 13.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 88,225,348 km

• M1: 108,309 km (0.097 R)
• M2: 476,918 km (0.119 R)
• M3: 772,075 km (0.074 R)
• M4: 1,220,419 km (0.095 R)
• M5: 4,385,761 km (0.103 R)
• M6: 5,978,978 km (0.087 R)
• M7: 6,725,172 km (0.104 R)
• M8: 7,759,941 km (0.071 R)
• M9: 9,189,049 km (0.097 R)
• M10: 11,159,852 km (0.1 R)
• M11: 19,036,479 km (0.117 R)
• M12: 19,705,929 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 462.8

Radius: 9

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.5 AU - 6.58 AU

Year: 8695 Days

Day: 7.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 88,225,348 km

• M1: 111,899 km (0.1 R)
• M2: 408,552 km (0.083 R)
• M3: 863,928 km (0.092 R)
• M4: 1,363,884 km (0.059 R)
• M5: 2,326,396 km (0.039 R)
• M6: 2,803,314 km (0.114 R)
• M7: 3,433,421 km (0.119 R)
• M8: 4,206,543 km (0.08 R)
• M9: 4,662,068 km (0.108 R)
• M10: 5,546,191 km (0.099 R)
• M11: 7,800,033 km (0.103 R)
• M12: 8,488,782 km (0.074 R)
• M13: 9,894,403 km (0.088 R)
• M14: 10,507,605 km (0.109 R)
• M15: 10,946,824 km (0.073 R)
• M16: 11,500,187 km (0.092 R)
• M17: 13,499,263 km (0.07 R)
• M18: 14,135,802 km (0.043 R)
• M19: 14,913,561 km (0.045 R)
• M20: 15,344,104 km (0.095 R)
• M21: 18,522,760 km (0.059 R)
• M22: 19,092,129 km (0.102 R)
• M23: 20,415,921 km (0.116 R)
• M24: 23,081,605 km (0.112 R)
• M25: 23,907,685 km (0.113 R)
• M26: 26,325,934 km (0.114 R)
• M27: 27,318,965 km (0.091 R)
• M28: 29,475,717 km (0.09 R)
• M29: 29,862,129 km (0.089 R)
• M30: 33,597,887 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 709.6

Radius: 5.1

Gravity: 27.28 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.96 AU - 8.48 AU

Year: 12937 Days

Day: 21.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 88,225,348 km

• M1: 66,272 km (0.108 R)
• M2: 253,718 km (0.057 R)
• M3: 909,256 km (0.116 R)
• M4: 1,409,062 km (0.111 R)
• M5: 2,074,623 km (0.065 R)
• M6: 2,724,776 km (0.034 R)
• M7: 3,072,441 km (0.068 R)
• M8: 3,635,378 km (0.12 R)
• M9: 3,828,210 km (0.083 R)
• M10: 4,144,908 km (0.067 R)
• M11: 4,510,226 km (0.049 R)
• M12: 6,424,630 km (0.106 R)
• M13: 8,675,330 km (0.108 R)
• M14: 12,487,832 km (0.066 R)
• M15: 13,055,257 km (0.118 R)
• M16: 13,639,885 km (0.111 R)
• M17: 13,838,551 km (0.089 R)
• M18: 14,446,218 km (0.107 R)
• M19: 14,930,915 km (0.053 R)
• M20: 15,859,917 km (0.104 R)
• M21: 16,079,677 km (0.051 R)
• M22: 16,450,380 km (0.085 R)
• M23: 17,055,354 km (0.101 R)
• M24: 18,713,946 km (0.099 R)
• M25: 19,540,175 km (0.06 R)
• M26: 19,877,518 km (0.038 R)
• M27: 20,218,601 km (0.062 R)
• M28: 24,039,630 km (0.086 R)
• M29: 27,254,787 km (0.116 R)
• M30: 33,071,751 km (0.079 R)
• M31: 33,791,765 km (0.072 R)
• M32: 37,420,561 km (0.061 R)
• M33: 38,202,359 km (0.073 R)
• M34: 41,577,587 km (0.044 R)
• M35: 42,981,563 km (0.053 R)
• M36: 48,451,160 km (0.116 R)
• M37: 56,044,449 km (0.058 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.5

Radius: 4

Gravity: 47.66 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 10.55 AU - 11.05 AU

Year: 23668 Days

Day: 23.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 88,225,348 km

• M1: 61,485 km (0.1 R)
• M2: 248,033 km (0.113 R)
• M3: 506,239 km (0.061 R)
• M4: 765,792 km (0.1 R)
• M5: 1,268,740 km (0.083 R)
• M6: 1,564,046 km (0.091 R)
• M7: 1,863,541 km (0.027 R)
• M8: 2,090,929 km (0.107 R)
• M9: 2,779,528 km (0.115 R)
• M10: 4,408,350 km (0.095 R)
• M11: 4,849,963 km (0.053 R)
• M12: 6,306,448 km (0.067 R)
• M13: 6,629,280 km (0.053 R)
• M14: 7,257,741 km (0.087 R)
• M15: 7,767,570 km (0.097 R)
• M16: 7,925,097 km (0.035 R)
• M17: 8,801,441 km (0.105 R)
• M18: 8,972,581 km (0.098 R)
• M19: 9,559,454 km (0.09 R)
• M20: 10,109,226 km (0.05 R)
• M21: 11,138,010 km (0.066 R)
• M22: 15,534,841 km (0.091 R)
• M23: 15,701,344 km (0.059 R)
• M24: 16,122,761 km (0.068 R)
• M25: 16,988,334 km (0.089 R)
• M26: 18,717,237 km (0.113 R)
• M27: 20,560,133 km (0.048 R)
• M28: 23,381,848 km (0.12 R)
• M29: 25,980,363 km (0.118 R)
• M30: 30,554,019 km (0.108 R)
• M31: 41,412,730 km (0.071 R)
• M32: 44,857,969 km (0.102 R)
• M33: 48,845,051 km (0.073 R)
• M34: 49,023,521 km (0.058 R)
• M35: 56,134,357 km (0.085 R)
• M36: 59,526,489 km (0.114 R)
• M37: 60,755,585 km (0.097 R)
• M38: 70,290,205 km (0.077 R)
• M39: 83,039,983 km (0.053 R)
• M40: 85,089,025 km (0.089 R)
• M41: 86,126,037 km (0.108 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 265 - 19,931 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit