🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.4

Radius: 10.4

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.47 AU - 0.57 AU

Year: 264 Days

Day: 6.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,626,999 km

• M1: 129,402 km (0.093 R)
• M2: 478,564 km (0.091 R)
• M3: 886,667 km (0.077 R)
• M4: 1,333,515 km (0.117 R)
• M5: 1,751,791 km (0.098 R)
• M6: 2,389,527 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.3

Radius: 9

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.74 AU - 0.82 AU

Year: 484 Days

Day: 13 Hours

Environment

Temp: -155 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,626,999 km

• M1: 111,899 km (0.073 R)
• M2: 406,457 km (0.109 R)
• M3: 766,839 km (0.09 R)
• M4: 1,073,215 km (0.038 R)
• M5: 1,590,674 km (0.063 R)
• M6: 1,983,668 km (0.096 R)
• M7: 2,652,071 km (0.107 R)
• M8: 3,240,739 km (0.086 R)
• M9: 3,578,231 km (0.052 R)
• M10: 4,390,548 km (0.08 R)
• M11: 4,876,292 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.7

Radius: 8.7

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.31 AU - 1.37 AU

Year: 1090 Days

Day: 11.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 54.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,626,999 km

• M1: 108,907 km (0.066 R)
• M2: 438,920 km (0.099 R)
• M3: 886,367 km (0.109 R)
• M4: 1,368,222 km (0.116 R)
• M5: 1,877,902 km (0.085 R)
• M6: 2,237,087 km (0.115 R)
• M7: 2,617,364 km (0.107 R)
• M8: 3,275,894 km (0.068 R)
• M9: 4,007,727 km (0.118 R)
• M10: 4,553,610 km (0.045 R)
• M11: 5,265,097 km (0.108 R)
• M12: 5,545,144 km (0.104 R)
• M13: 6,245,262 km (0.05 R)
• M14: 6,955,254 km (0.111 R)
• M15: 8,923,363 km (0.103 R)
• M16: 9,585,633 km (0.115 R)
• M17: 10,126,579 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.9

Radius: 10

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 1.58 AU - 2.14 AU

Year: 1783 Days

Day: 14.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 51,626,999 km

• M1: 133,142 km (0.12 R)
• M2: 638,035 km (0.118 R)
• M3: 1,871,769 km (0.073 R)
• M4: 5,442,819 km (0.039 R)
• M5: 6,288,646 km (0.073 R)
• M6: 8,085,316 km (0.087 R)
• M7: 8,450,185 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.7

Radius: 14.7

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.64 AU - 3.68 AU

Year: 3949 Days

Day: 11.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,626,999 km

• M1: 190,139 km (0.096 R)
• M2: 778,208 km (0.091 R)
• M3: 1,360,742 km (0.106 R)
• M4: 1,842,447 km (0.096 R)
• M5: 2,786,709 km (0.083 R)
• M6: 3,513,306 km (0.108 R)
• M7: 4,110,351 km (0.116 R)
• M8: 5,100,240 km (0.062 R)
• M9: 5,967,459 km (0.12 R)
• M10: 7,581,171 km (0.11 R)
• M11: 8,395,732 km (0.097 R)
• M12: 9,268,037 km (0.037 R)
• M13: 10,200,032 km (0.109 R)
• M14: 10,781,369 km (0.067 R)
• M15: 11,891,385 km (0.087 R)
• M16: 12,576,843 km (0.062 R)
• M17: 13,589,321 km (0.081 R)
• M18: 14,519,221 km (0.105 R)
• M19: 15,443,736 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554

Radius: 12.1

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 4.96 AU - 5.36 AU

Year: 8239 Days

Day: 5.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,626,999 km

• M1: 150,495 km (0.062 R)
• M2: 561,142 km (0.096 R)
• M3: 1,008,738 km (0.107 R)
• M4: 2,036,177 km (0.081 R)
• M5: 2,652,819 km (0.074 R)
• M6: 4,132,492 km (0.092 R)
• M7: 4,892,598 km (0.11 R)
• M8: 5,679,782 km (0.113 R)
• M9: 7,739,745 km (0.096 R)
• M10: 8,723,052 km (0.069 R)
• M11: 9,200,867 km (0.045 R)
• M12: 9,696,036 km (0.101 R)
• M13: 11,289,254 km (0.036 R)
• M14: 13,332,611 km (0.049 R)
• M15: 13,967,654 km (0.108 R)
• M16: 14,442,029 km (0.093 R)
• M17: 16,910,543 km (0.099 R)
• M18: 17,586,277 km (0.101 R)
• M19: 19,136,260 km (0.119 R)
• M20: 21,160,768 km (0.115 R)
• M21: 23,656,958 km (0.052 R)
• M22: 25,367,909 km (0.112 R)
• M23: 31,296,323 km (0.05 R)
• M24: 32,212,311 km (0.106 R)
• M25: 36,837,129 km (0.044 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.8

Radius: 7.3

Gravity: 14.52 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 6.18 AU - 7.38 AU

Year: 12409 Days

Day: 20.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 51,626,999 km

• M1: 90,806 km (0.12 R)
• M2: 449,392 km (0.117 R)
• M3: 678,875 km (0.08 R)
• M4: 1,161,927 km (0.09 R)
• M5: 1,739,973 km (0.082 R)
• M6: 1,994,588 km (0.06 R)
• M7: 3,349,796 km (0.084 R)
• M8: 5,162,772 km (0.111 R)
• M9: 5,512,382 km (0.059 R)
• M10: 5,803,500 km (0.048 R)
• M11: 7,952,473 km (0.027 R)
• M12: 8,757,011 km (0.077 R)
• M13: 9,356,748 km (0.109 R)
• M14: 10,362,046 km (0.083 R)
• M15: 13,675,938 km (0.105 R)
• M16: 16,713,523 km (0.049 R)
• M17: 18,348,628 km (0.03 R)
• M18: 19,496,342 km (0.043 R)
• M19: 20,344,862 km (0.103 R)
• M20: 25,257,207 km (0.095 R)
• M21: 25,858,890 km (0.103 R)
• M22: 30,340,243 km (0.049 R)
• M23: 34,571,769 km (0.081 R)
• M24: 35,813,431 km (0.104 R)
• M25: 42,752,977 km (0.066 R)
• M26: 45,055,887 km (0.118 R)
• M27: 48,817,824 km (0.088 R)
• M28: 51,652,554 km (0.061 R)
• M29: 51,974,190 km (0.045 R)
• M30: 53,931,828 km (0.107 R)
• M31: 54,928,897 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516

Radius: 4.1

Gravity: 30.7 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 6.1 AU - 7.8 AU

Year: 12879 Days

Day: 16.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,626,999 km

• M1: 51,013 km (0.049 R)
• M2: 211,531 km (0.113 R)
• M3: 457,470 km (0.055 R)
• M4: 2,579,666 km (0.054 R)
• M5: 4,813,760 km (0.059 R)
• M6: 6,118,852 km (0.086 R)
• M7: 7,429,180 km (0.109 R)
• M8: 8,037,744 km (0.113 R)
• M9: 8,963,755 km (0.114 R)
• M10: 9,402,825 km (0.045 R)
• M11: 13,571,369 km (0.096 R)
• M12: 14,811,536 km (0.119 R)
• M13: 19,624,249 km (0.108 R)
• M14: 20,613,689 km (0.1 R)
• M15: 21,722,658 km (0.114 R)
• M16: 27,971,361 km (0.057 R)
• M17: 29,222,897 km (0.045 R)
• M18: 37,901,069 km (0.092 R)
• M19: 39,951,308 km (0.111 R)
• M20: 42,616,394 km (0.115 R)
• M21: 46,543,039 km (0.089 R)
• M22: 47,123,030 km (0.104 R)
• M23: 47,414,746 km (0.076 R)
• M24: 48,593,876 km (0.114 R)
• M25: 50,095,091 km (0.113 R)
• M26: 51,010,630 km (0.101 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 10,886 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit