🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.2

Radius: 12.1

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.48 AU - 0.64 AU

Year: 295 Days

Day: 9.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,153,935 km

• M1: 152,440 km (0.108 R)
• M2: 552,315 km (0.091 R)
• M3: 1,328,429 km (0.077 R)
• M4: 1,802,505 km (0.115 R)
• M5: 2,197,892 km (0.086 R)
• M6: 2,807,653 km (0.103 R)
• M7: 3,686,241 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.3

Radius: 12.7

Gravity: 2.93 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.85 AU - 1.05 AU

Year: 651 Days

Day: 14.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,153,935 km

• M1: 157,975 km (0.108 R)
• M2: 558,299 km (0.076 R)
• M3: 1,000,361 km (0.089 R)
• M4: 1,424,770 km (0.12 R)
• M5: 1,930,411 km (0.112 R)
• M6: 2,505,166 km (0.073 R)
• M7: 3,180,451 km (0.059 R)
• M8: 5,222,611 km (0.041 R)
• M9: 6,405,033 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.1

Radius: 8.2

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.91 AU - 1.29 AU

Year: 811 Days

Day: 12 Hours

Environment

Temp: -170 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,153,935 km

• M1: 108,159 km (0.115 R)
• M2: 364,869 km (0.117 R)
• M3: 706,700 km (0.087 R)
• M4: 1,138,889 km (0.047 R)
• M5: 1,413,251 km (0.059 R)
• M6: 1,701,825 km (0.052 R)
• M7: 1,996,084 km (0.095 R)
• M8: 2,912,222 km (0.075 R)
• M9: 3,206,182 km (0.045 R)
• M10: 3,507,621 km (0.117 R)
• M11: 3,961,352 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.5

Radius: 11.9

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.21 AU - 1.67 AU

Year: 1215 Days

Day: 13.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,153,935 km

• M1: 148,102 km (0.066 R)
• M2: 551,717 km (0.057 R)
• M3: 1,042,697 km (0.11 R)
• M4: 1,618,948 km (0.074 R)
• M5: 2,069,238 km (0.069 R)
• M6: 2,500,678 km (0.079 R)
• M7: 3,095,479 km (0.108 R)
• M8: 3,649,290 km (0.032 R)
• M9: 4,417,326 km (0.084 R)
• M10: 5,638,493 km (0.12 R)
• M11: 6,022,810 km (0.057 R)
• M12: 6,424,780 km (0.091 R)
• M13: 6,889,730 km (0.083 R)
• M14: 8,164,304 km (0.041 R)
• M15: 9,533,424 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.1

Radius: 8.5

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.75 AU - 2.47 AU

Year: 2154 Days

Day: 14.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 72,153,935 km

• M1: 105,766 km (0.086 R)
• M2: 373,546 km (0.065 R)
• M3: 650,751 km (0.09 R)
• M4: 942,317 km (0.117 R)
• M5: 1,348,475 km (0.079 R)
• M6: 1,722,021 km (0.093 R)
• M7: 2,151,816 km (0.078 R)
• M8: 2,556,478 km (0.099 R)
• M9: 3,133,327 km (0.12 R)
• M10: 3,403,501 km (0.104 R)
• M11: 3,865,011 km (0.103 R)
• M12: 4,290,617 km (0.117 R)
• M13: 4,604,922 km (0.041 R)
• M14: 5,019,308 km (0.085 R)
• M15: 5,641,186 km (0.099 R)
• M16: 6,018,921 km (0.056 R)
• M17: 6,288,496 km (0.11 R)
• M18: 7,504,128 km (0.084 R)
• M19: 8,049,413 km (0.111 R)
• M20: 8,621,026 km (0.116 R)
• M21: 10,746,513 km (0.113 R)
• M22: 11,254,397 km (0.115 R)
• M23: 11,551,648 km (0.097 R)
• M24: 12,435,622 km (0.096 R)
• M25: 12,874,094 km (0.102 R)
• M26: 13,364,027 km (0.063 R)
• M27: 13,655,593 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.4

Radius: 14.1

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.92 AU - 2.5 AU

Year: 2309 Days

Day: 9.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,153,935 km

• M1: 175,478 km (0.076 R)
• M2: 755,918 km (0.113 R)
• M3: 1,225,207 km (0.093 R)
• M4: 2,004,013 km (0.09 R)
• M5: 2,638,906 km (0.102 R)
• M6: 3,388,242 km (0.111 R)
• M7: 4,423,759 km (0.117 R)
• M8: 5,241,161 km (0.055 R)
• M9: 5,866,331 km (0.032 R)
• M10: 6,796,381 km (0.078 R)
• M11: 7,327,453 km (0.117 R)
• M12: 9,516,369 km (0.092 R)
• M13: 10,411,413 km (0.119 R)
• M14: 11,118,862 km (0.033 R)
• M15: 12,983,898 km (0.052 R)
• M16: 13,711,393 km (0.12 R)
• M17: 15,903,750 km (0.076 R)
• M18: 16,368,849 km (0.073 R)
• M19: 17,218,117 km (0.077 R)
• M20: 17,929,754 km (0.09 R)
• M21: 18,377,350 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.8

Radius: 10.5

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.27 AU - 3.67 AU

Year: 3598 Days

Day: 14.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,153,935 km

• M1: 130,749 km (0.086 R)
• M2: 502,499 km (0.118 R)
• M3: 853,306 km (0.097 R)
• M4: 1,210,396 km (0.118 R)
• M5: 4,118,878 km (0.047 R)
• M6: 5,051,471 km (0.093 R)
• M7: 5,532,279 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.4

Radius: 8

Gravity: 14.35 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.03 AU - 5.65 AU

Year: 7485 Days

Day: 13.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 72,153,935 km

• M1: 100,081 km (0.094 R)
• M2: 357,240 km (0.025 R)
• M3: 786,885 km (0.115 R)
• M4: 1,064,090 km (0.034 R)
• M5: 1,497,475 km (0.107 R)
• M6: 2,060,860 km (0.119 R)
• M7: 3,095,629 km (0.114 R)
• M8: 4,034,505 km (0.094 R)
• M9: 5,151,552 km (0.115 R)
• M10: 7,371,585 km (0.074 R)
• M11: 8,277,849 km (0.111 R)
• M12: 12,941,413 km (0.03 R)
• M13: 13,350,563 km (0.059 R)
• M14: 14,630,073 km (0.061 R)
• M15: 15,202,734 km (0.076 R)
• M16: 19,791,499 km (0.051 R)
• M17: 20,888,051 km (0.091 R)
• M18: 22,190,451 km (0.066 R)
• M19: 22,440,578 km (0.104 R)
• M20: 23,287,751 km (0.095 R)
• M21: 23,980,688 km (0.092 R)
• M22: 24,244,130 km (0.117 R)
• M23: 25,407,852 km (0.06 R)
• M24: 27,653,466 km (0.063 R)
• M25: 29,623,221 km (0.088 R)
• M26: 30,129,909 km (0.076 R)
• M27: 37,370,894 km (0.069 R)
• M28: 38,801,200 km (0.118 R)
• M29: 43,310,828 km (0.102 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167

Radius: 6.6

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 5.65 AU - 6.73 AU

Year: 10825 Days

Day: 16.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,153,935 km

• M1: 85,570 km (0.111 R)
• M2: 574,007 km (0.079 R)
• M3: 882,179 km (0.03 R)
• M4: 3,719,003 km (0.096 R)
• M5: 6,418,347 km (0.03 R)
• M6: 8,689,542 km (0.11 R)
• M7: 9,093,606 km (0.086 R)
• M8: 10,026,498 km (0.096 R)
• M9: 16,877,931 km (0.084 R)
• M10: 18,545,798 km (0.056 R)
• M11: 20,250,017 km (0.066 R)
• M12: 20,532,158 km (0.061 R)
• M13: 26,908,767 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 444.3

Radius: 3.3

Gravity: 40.8 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 8.09 AU - 12.33 AU

Year: 22932 Days

Day: 15.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 72,153,935 km

• M1: 41,289 km (0.099 R)
• M2: 185,352 km (0.055 R)
• M3: 294,259 km (0.109 R)
• M4: 434,133 km (0.092 R)
• M5: 600,785 km (0.079 R)
• M6: 757,713 km (0.117 R)
• M7: 1,323,193 km (0.096 R)
• M8: 1,429,108 km (0.057 R)
• M9: 3,080,220 km (0.052 R)
• M10: 3,294,594 km (0.051 R)
• M11: 5,195,235 km (0.1 R)
• M12: 6,017,874 km (0.083 R)
• M13: 6,268,001 km (0.082 R)
• M14: 6,878,660 km (0.108 R)
• M15: 7,672,276 km (0.057 R)
• M16: 9,948,558 km (0.039 R)
• M17: 15,307,901 km (0.115 R)
• M18: 16,089,401 km (0.091 R)
• M19: 17,901,480 km (0.088 R)
• M20: 21,729,988 km (0.098 R)
• M21: 24,041,126 km (0.092 R)
• M22: 24,775,801 km (0.101 R)
• M23: 30,220,864 km (0.037 R)
• M24: 30,585,584 km (0.089 R)
• M25: 31,822,010 km (0.118 R)
• M26: 33,091,348 km (0.054 R)
• M27: 34,526,291 km (0.073 R)
• M28: 34,658,685 km (0.051 R)
• M29: 35,326,191 km (0.096 R)
• M30: 35,460,679 km (0.111 R)
• M31: 41,423,501 km (0.098 R)
• M32: 46,875,595 km (0.106 R)
• M33: 47,364,032 km (0.082 R)
• M34: 50,026,426 km (0.04 R)
• M35: 53,315,335 km (0.056 R)
• M36: 55,283,893 km (0.115 R)
• M37: 69,377,957 km (0.091 R)
• M38: 70,863,614 km (0.117 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: 336 - 14,359 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit