🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.2

Radius: 12.6

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.88 AU - 1.06 AU

Year: 672 Days

Day: 10.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 72,524,235 km

• M1: 156,779 km (0.108 R)
• M2: 825,331 km (0.072 R)
• M3: 1,237,623 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.2

Radius: 11.5

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.99 AU - 1.37 AU

Year: 901 Days

Day: 6 Hours

Environment

Temp: -185 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,524,235 km

• M1: 143,464 km (0.073 R)
• M2: 536,308 km (0.088 R)
• M3: 905,815 km (0.105 R)
• M4: 1,493,735 km (0.108 R)
• M5: 1,867,281 km (0.05 R)
• M6: 2,490,505 km (0.099 R)
• M7: 2,870,634 km (0.036 R)
• M8: 3,528,565 km (0.094 R)
• M9: 4,122,020 km (0.084 R)
• M10: 4,519,651 km (0.038 R)
• M11: 5,127,168 km (0.036 R)
• M12: 6,615,667 km (0.1 R)
• M13: 7,914,625 km (0.045 R)
• M14: 8,825,526 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.5

Radius: 10.5

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.85 AU - 2.91 AU

Year: 2581 Days

Day: 9.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,524,235 km

• M1: 130,599 km (0.087 R)
• M2: 503,846 km (0.11 R)
• M3: 1,611,169 km (0.113 R)
• M4: 2,299,918 km (0.101 R)
• M5: 2,673,164 km (0.037 R)
• M6: 3,015,145 km (0.07 R)
• M7: 3,838,681 km (0.078 R)
• M8: 4,805,682 km (0.035 R)
• M9: 5,168,756 km (0.056 R)
• M10: 5,637,446 km (0.063 R)
• M11: 6,134,261 km (0.041 R)
• M12: 6,684,930 km (0.065 R)
• M13: 9,439,476 km (0.098 R)
• M14: 10,338,559 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.3

Radius: 9.8

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.48 AU - 5.02 AU

Year: 7277 Days

Day: 7.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,524,235 km

• M1: 121,922 km (0.118 R)
• M2: 482,304 km (0.068 R)
• M3: 838,197 km (0.115 R)
• M4: 1,303,147 km (0.068 R)
• M5: 1,800,111 km (0.056 R)
• M6: 2,278,525 km (0.09 R)
• M7: 2,820,069 km (0.062 R)
• M8: 3,657,668 km (0.092 R)
• M9: 4,108,556 km (0.086 R)
• M10: 4,512,171 km (0.106 R)
• M11: 5,720,174 km (0.05 R)
• M12: 7,093,632 km (0.047 R)
• M13: 9,115,896 km (0.106 R)
• M14: 10,381,195 km (0.076 R)
• M15: 12,520,893 km (0.05 R)
• M16: 14,814,677 km (0.082 R)
• M17: 18,005,450 km (0.072 R)
• M18: 28,024,768 km (0.065 R)
• M19: 28,794,449 km (0.087 R)
• M20: 29,875,742 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.4

Radius: 9.9

Gravity: 7.55 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.74 AU - 5.92 AU

Year: 8650 Days

Day: 11.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,524,235 km

• M1: 123,418 km (0.105 R)
• M2: 529,726 km (0.1 R)
• M3: 1,039,256 km (0.089 R)
• M4: 1,437,037 km (0.069 R)
• M5: 2,434,257 km (0.09 R)
• M6: 3,081,567 km (0.101 R)
• M7: 4,429,743 km (0.062 R)
• M8: 5,235,177 km (0.06 R)
• M9: 5,824,593 km (0.037 R)
• M10: 6,277,276 km (0.117 R)
• M11: 7,695,314 km (0.118 R)
• M12: 8,589,461 km (0.056 R)
• M13: 9,936,141 km (0.028 R)
• M14: 12,353,343 km (0.097 R)
• M15: 14,944,678 km (0.061 R)
• M16: 16,745,387 km (0.116 R)
• M17: 17,234,871 km (0.061 R)
• M18: 17,806,036 km (0.103 R)
• M19: 18,686,420 km (0.053 R)
• M20: 20,692,976 km (0.104 R)
• M21: 22,163,673 km (0.114 R)
• M22: 22,753,986 km (0.092 R)
• M23: 27,666,181 km (0.118 R)
• M24: 29,448,939 km (0.111 R)
• M25: 30,368,517 km (0.106 R)
• M26: 34,238,913 km (0.114 R)
• M27: 35,484,166 km (0.04 R)
• M28: 38,547,183 km (0.1 R)
• M29: 39,155,747 km (0.082 R)
• M30: 39,770,744 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 432.3

Radius: 7.1

Gravity: 8.58 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.34 AU - 6.96 AU

Year: 9440 Days

Day: 16.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,524,235 km

• M1: 88,861 km (0.107 R)
• M2: 354,846 km (0.096 R)
• M3: 661,821 km (0.103 R)
• M4: 1,275,771 km (0.087 R)
• M5: 1,854,415 km (0.043 R)
• M6: 4,732,828 km (0.068 R)
• M7: 6,133,513 km (0.087 R)
• M8: 6,373,916 km (0.08 R)
• M9: 6,873,723 km (0.105 R)
• M10: 7,870,793 km (0.094 R)
• M11: 8,743,996 km (0.086 R)
• M12: 9,542,399 km (0.04 R)
• M13: 9,959,478 km (0.109 R)
• M14: 14,098,702 km (0.103 R)
• M15: 14,946,323 km (0.04 R)
• M16: 16,610,001 km (0.11 R)
• M17: 19,700,394 km (0.074 R)
• M18: 21,302,138 km (0.11 R)
• M19: 25,373,744 km (0.11 R)
• M20: 28,106,747 km (0.103 R)
• M21: 37,472,023 km (0.077 R)
• M22: 38,393,246 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 369.1

Radius: 4.2

Gravity: 20.92 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.52 AU - 6.12 AU

Year: 9869 Days

Day: 23.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,524,235 km

• M1: 52,658 km (0.027 R)
• M2: 273,615 km (0.095 R)
• M3: 566,228 km (0.026 R)
• M4: 707,598 km (0.084 R)
• M5: 846,574 km (0.108 R)
• M6: 1,503,907 km (0.095 R)
• M7: 1,794,277 km (0.078 R)
• M8: 2,008,052 km (0.117 R)
• M9: 3,570,752 km (0.09 R)
• M10: 4,035,552 km (0.118 R)
• M11: 5,054,613 km (0.07 R)
• M12: 5,481,416 km (0.118 R)
• M13: 5,639,541 km (0.099 R)
• M14: 5,931,855 km (0.107 R)
• M15: 7,202,988 km (0.118 R)
• M16: 7,625,003 km (0.061 R)
• M17: 7,782,530 km (0.095 R)
• M18: 9,165,862 km (0.119 R)
• M19: 9,661,180 km (0.086 R)
• M20: 10,853,176 km (0.069 R)
• M21: 11,102,705 km (0.098 R)
• M22: 11,510,060 km (0.114 R)
• M23: 12,958,616 km (0.112 R)
• M24: 13,989,196 km (0.042 R)
• M25: 16,406,997 km (0.106 R)
• M26: 16,735,963 km (0.08 R)
• M27: 27,089,631 km (0.09 R)
• M28: 27,826,999 km (0.087 R)
• M29: 29,728,687 km (0.081 R)
• M30: 31,110,373 km (0.099 R)
• M31: 32,123,001 km (0.076 R)
• M32: 33,788,773 km (0.082 R)
• M33: 35,840,508 km (0.07 R)
• M34: 37,631,344 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 679

Radius: 3.7

Gravity: 49.6 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 7.66 AU - 8.16 AU

Year: 15638 Days

Day: 16.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,524,235 km

• M1: 46,076 km (0.115 R)
• M2: 194,028 km (0.095 R)
• M3: 329,863 km (0.082 R)
• M4: 608,415 km (0.113 R)
• M5: 1,063,491 km (0.115 R)
• M6: 1,535,473 km (0.03 R)
• M7: 1,748,799 km (0.085 R)
• M8: 2,642,497 km (0.088 R)
• M9: 2,876,318 km (0.094 R)
• M10: 4,915,936 km (0.118 R)
• M11: 5,639,840 km (0.091 R)
• M12: 5,792,729 km (0.068 R)
• M13: 6,146,827 km (0.096 R)
• M14: 7,477,650 km (0.117 R)
• M15: 15,830,147 km (0.051 R)
• M16: 17,716,128 km (0.107 R)
• M17: 19,139,103 km (0.06 R)
• M18: 22,305,192 km (0.098 R)
• M19: 26,013,574 km (0.056 R)
• M20: 28,626,600 km (0.088 R)
• M21: 30,112,555 km (0.108 R)
• M22: 30,579,899 km (0.071 R)
• M23: 33,237,057 km (0.119 R)
• M24: 35,782,614 km (0.068 R)
• M25: 37,910,344 km (0.094 R)
• M26: 39,699,984 km (0.111 R)
• M27: 45,712,023 km (0.096 R)
• M28: 48,532,691 km (0.037 R)
• M29: 49,013,798 km (0.025 R)
• M30: 51,135,395 km (0.094 R)
• M31: 53,658,662 km (0.087 R)
• M32: 57,150,276 km (0.064 R)
• M33: 59,499,112 km (0.111 R)
• M34: 64,003,205 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 807.3

Radius: 7.2

Gravity: 15.57 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 7.13 AU - 9.69 AU

Year: 17144 Days

Day: 15.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,524,235 km

• M1: 91,703 km (0.049 R)
• M2: 669,002 km (0.113 R)
• M3: 1,078,451 km (0.118 R)
• M4: 1,422,377 km (0.11 R)
• M5: 2,268,353 km (0.068 R)
• M6: 2,961,739 km (0.114 R)
• M7: 3,413,075 km (0.095 R)
• M8: 5,888,920 km (0.079 R)
• M9: 7,140,007 km (0.09 R)
• M10: 10,995,892 km (0.094 R)
• M11: 13,153,991 km (0.04 R)
• M12: 15,657,362 km (0.048 R)
• M13: 18,461,574 km (0.092 R)
• M14: 19,436,055 km (0.085 R)
• M15: 20,166,092 km (0.071 R)
• M16: 22,965,966 km (0.114 R)
• M17: 23,269,650 km (0.12 R)
• M18: 23,884,946 km (0.107 R)
• M19: 24,934,674 km (0.119 R)
• M20: 26,234,380 km (0.103 R)
• M21: 30,282,648 km (0.071 R)
• M22: 30,770,337 km (0.1 R)
• M23: 33,676,425 km (0.12 R)
• M24: 34,995,131 km (0.105 R)
• M25: 36,074,629 km (0.075 R)
• M26: 39,013,629 km (0.079 R)
• M27: 41,806,920 km (0.087 R)
• M28: 43,021,804 km (0.029 R)
• M29: 46,484,247 km (0.089 R)
• M30: 53,957,558 km (0.028 R)
• M31: 57,604,306 km (0.076 R)
• M32: 60,637,403 km (0.117 R)
• M33: 62,193,220 km (0.082 R)
• M34: 62,586,364 km (0.087 R)
• M35: 64,375,554 km (0.076 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: 549 - 15,228 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit