🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.9

Radius: 13.1

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.41 AU - 0.61 AU

Year: 243 Days

Day: 10 Hours

Environment

Temp: -144 °C

Axial Tilt: 153.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,865,332 km

• M1: 162,912 km (0.084 R)
• M2: 617,091 km (0.086 R)
• M3: 1,070,522 km (0.075 R)
• M4: 1,510,938 km (0.112 R)
• M5: 2,067,742 km (0.034 R)
• M6: 2,694,258 km (0.081 R)
• M7: 3,189,277 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.5

Radius: 11.5

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.1 AU - 1.18 AU

Year: 812 Days

Day: 14.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,865,332 km

• M1: 143,614 km (0.119 R)
• M2: 893,698 km (0.118 R)
• M3: 1,253,481 km (0.076 R)
• M4: 1,870,572 km (0.054 R)
• M5: 2,682,140 km (0.116 R)
• M6: 3,431,027 km (0.092 R)
• M7: 4,994,923 km (0.109 R)
• M8: 5,992,741 km (0.099 R)
• M9: 7,205,980 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.8

Radius: 9

Gravity: 10.49 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.01 AU - 1.35 AU

Year: 855 Days

Day: 14.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 75,865,332 km

• M1: 112,498 km (0.114 R)
• M2: 406,308 km (0.079 R)
• M3: 783,145 km (0.09 R)
• M4: 1,438,234 km (0.103 R)
• M5: 1,932,356 km (0.059 R)
• M6: 2,257,133 km (0.08 R)
• M7: 2,800,771 km (0.085 R)
• M8: 3,458,104 km (0.099 R)
• M9: 4,214,621 km (0.108 R)
• M10: 4,711,884 km (0.07 R)
• M11: 5,885,928 km (0.049 R)
• M12: 6,800,570 km (0.119 R)
• M13: 8,163,705 km (0.061 R)
• M14: 9,527,290 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.1

Radius: 8.8

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.26 AU - 1.6 AU

Year: 1140 Days

Day: 12.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,865,332 km

• M1: 109,506 km (0.065 R)
• M2: 402,568 km (0.097 R)
• M3: 717,023 km (0.113 R)
• M4: 1,014,722 km (0.113 R)
• M5: 1,326,634 km (0.106 R)
• M6: 1,638,246 km (0.116 R)
• M7: 1,989,801 km (0.106 R)
• M8: 2,401,943 km (0.116 R)
• M9: 2,906,088 km (0.047 R)
• M10: 3,293,248 km (0.108 R)
• M11: 3,644,055 km (0.11 R)
• M12: 4,485,692 km (0.114 R)
• M13: 6,161,188 km (0.089 R)
• M14: 6,528,301 km (0.107 R)
• M15: 7,194,760 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.5

Radius: 13.4

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.88 AU - 2.02 AU

Year: 1816 Days

Day: 13.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 75,865,332 km

• M1: 166,652 km (0.08 R)
• M2: 647,460 km (0.074 R)
• M3: 1,156,242 km (0.098 R)
• M4: 1,719,179 km (0.082 R)
• M5: 2,298,721 km (0.099 R)
• M6: 2,768,159 km (0.049 R)
• M7: 3,528,266 km (0.034 R)
• M8: 3,966,139 km (0.098 R)
• M9: 4,423,609 km (0.119 R)
• M10: 4,898,133 km (0.07 R)
• M11: 5,465,259 km (0.103 R)
• M12: 6,868,936 km (0.076 R)
• M13: 7,655,372 km (0.113 R)
• M14: 8,447,941 km (0.049 R)
• M15: 9,899,639 km (0.031 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.4

Radius: 13.4

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.54 AU - 2.6 AU

Year: 2747 Days

Day: 10.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,865,332 km

• M1: 167,400 km (0.12 R)
• M2: 706,102 km (0.056 R)
• M3: 1,284,597 km (0.045 R)
• M4: 1,776,924 km (0.027 R)
• M5: 2,695,155 km (0.114 R)
• M6: 3,710,476 km (0.039 R)
• M7: 4,178,269 km (0.103 R)
• M8: 4,778,006 km (0.104 R)
• M9: 5,614,558 km (0.062 R)
• M10: 6,095,814 km (0.114 R)
• M11: 8,001,841 km (0.077 R)
• M12: 8,613,097 km (0.056 R)
• M13: 9,625,576 km (0.041 R)
• M14: 10,278,122 km (0.072 R)
• M15: 12,865,866 km (0.045 R)
• M16: 15,913,773 km (0.075 R)
• M17: 18,060,951 km (0.102 R)
• M18: 19,353,925 km (0.079 R)
• M19: 20,519,592 km (0.111 R)
• M20: 20,960,756 km (0.084 R)
• M21: 21,861,934 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.4

Radius: 12.3

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.27 AU - 4.69 AU

Year: 5295 Days

Day: 11.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,865,332 km

• M1: 154,086 km (0.107 R)
• M2: 834,906 km (0.035 R)
• M3: 1,574,368 km (0.095 R)
• M4: 2,605,995 km (0.092 R)
• M5: 3,100,715 km (0.118 R)
• M6: 3,502,984 km (0.052 R)
• M7: 3,940,258 km (0.069 R)
• M8: 6,914,414 km (0.077 R)
• M9: 7,869,895 km (0.116 R)
• M10: 9,731,940 km (0.075 R)
• M11: 10,602,300 km (0.118 R)
• M12: 11,140,553 km (0.108 R)
• M13: 12,407,199 km (0.068 R)
• M14: 14,159,738 km (0.1 R)
• M15: 14,660,591 km (0.074 R)
• M16: 15,121,353 km (0.111 R)
• M17: 16,018,192 km (0.048 R)
• M18: 17,515,068 km (0.066 R)
• M19: 21,042,586 km (0.099 R)
• M20: 21,498,112 km (0.098 R)
• M21: 22,026,790 km (0.114 R)
• M22: 22,428,910 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.5

Radius: 9

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.39 AU - 4.71 AU

Year: 5435 Days

Day: 9.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,865,332 km

• M1: 111,899 km (0.098 R)
• M2: 1,017,116 km (0.083 R)
• M3: 1,361,191 km (0.104 R)
• M4: 1,824,047 km (0.099 R)
• M5: 2,685,731 km (0.087 R)
• M6: 4,032,261 km (0.117 R)
• M7: 4,429,892 km (0.101 R)
• M8: 4,935,832 km (0.092 R)
• M9: 5,999,922 km (0.08 R)
• M10: 6,586,046 km (0.113 R)
• M11: 6,997,740 km (0.114 R)
• M12: 7,872,738 km (0.107 R)
• M13: 10,747,261 km (0.074 R)
• M14: 12,994,520 km (0.106 R)
• M15: 16,392,336 km (0.075 R)
• M16: 20,340,673 km (0.101 R)
• M17: 27,166,973 km (0.118 R)
• M18: 28,405,943 km (0.031 R)
• M19: 29,039,340 km (0.074 R)
• M20: 29,960,564 km (0.037 R)
• M21: 30,996,230 km (0.031 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 928.4

Radius: 5.2

Gravity: 34.33 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 5.61 AU - 8.23 AU

Year: 12139 Days

Day: 23.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,865,332 km

• M1: 65,225 km (0.115 R)
• M2: 302,487 km (0.088 R)
• M3: 1,278,164 km (0.096 R)
• M4: 1,878,500 km (0.091 R)
• M5: 2,211,954 km (0.114 R)
• M6: 3,532,604 km (0.086 R)
• M7: 4,220,455 km (0.05 R)
• M8: 4,693,484 km (0.085 R)
• M9: 5,166,213 km (0.055 R)
• M10: 7,029,305 km (0.119 R)
• M11: 7,378,167 km (0.091 R)
• M12: 8,205,294 km (0.093 R)
• M13: 11,528,012 km (0.05 R)
• M14: 12,575,197 km (0.116 R)
• M15: 13,483,854 km (0.063 R)
• M16: 13,954,340 km (0.108 R)
• M17: 14,227,954 km (0.093 R)
• M18: 15,070,489 km (0.084 R)
• M19: 16,547,918 km (0.095 R)
• M20: 18,119,294 km (0.09 R)
• M21: 22,477,379 km (0.093 R)
• M22: 24,007,167 km (0.106 R)
• M23: 24,203,140 km (0.11 R)
• M24: 30,248,241 km (0.108 R)
• M25: 30,937,588 km (0.1 R)
• M26: 33,555,401 km (0.12 R)
• M27: 34,170,248 km (0.092 R)
• M28: 35,422,382 km (0.092 R)
• M29: 36,965,185 km (0.097 R)
• M30: 42,287,578 km (0.095 R)
• M31: 42,716,924 km (0.108 R)
• M32: 43,730,150 km (0.096 R)
• M33: 49,194,961 km (0.113 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 710.1

Radius: 4.3

Gravity: 38.4 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 8.11 AU - 10.91 AU

Year: 19557 Days

Day: 19.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 75,865,332 km

• M1: 53,406 km (0.111 R)
• M2: 275,110 km (0.082 R)
• M3: 598,541 km (0.116 R)
• M4: 1,182,122 km (0.094 R)
• M5: 1,480,271 km (0.081 R)
• M6: 3,139,611 km (0.086 R)
• M7: 4,620,031 km (0.12 R)
• M8: 5,278,561 km (0.07 R)
• M9: 8,025,327 km (0.069 R)
• M10: 8,333,349 km (0.113 R)
• M11: 12,529,570 km (0.054 R)
• M12: 13,799,805 km (0.054 R)
• M13: 16,022,830 km (0.109 R)
• M14: 31,654,311 km (0.063 R)
• M15: 35,891,970 km (0.086 R)
• M16: 38,869,117 km (0.101 R)
• M17: 43,873,465 km (0.047 R)
• M18: 49,803,824 km (0.062 R)
• M19: 51,015,866 km (0.12 R)
• M20: 53,678,858 km (0.073 R)
• M21: 56,994,994 km (0.073 R)
• M22: 62,022,080 km (0.095 R)
• M23: 65,052,634 km (0.057 R)
• M24: 70,104,405 km (0.078 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 11,831 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit