🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.1

Radius: 8.5

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.69 AU - 0.79 AU

Year: 418 Days

Day: 7.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,861,551 km

• M1: 105,766 km (0.099 R)
• M2: 493,823 km (0.085 R)
• M3: 895,343 km (0.086 R)
• M4: 1,186,461 km (0.102 R)
• M5: 2,006,855 km (0.12 R)
• M6: 2,539,573 km (0.113 R)
• M7: 2,989,564 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.8

Radius: 13.7

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.04 AU - 1.52 AU

Year: 950 Days

Day: 9.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,861,551 km

• M1: 170,392 km (0.078 R)
• M2: 639,082 km (0.064 R)
• M3: 1,250,788 km (0.11 R)
• M4: 2,662,393 km (0.099 R)
• M5: 3,235,503 km (0.11 R)
• M6: 4,148,349 km (0.047 R)
• M7: 5,773,281 km (0.092 R)
• M8: 6,632,721 km (0.111 R)
• M9: 7,274,795 km (0.112 R)
• M10: 7,933,773 km (0.058 R)
• M11: 8,709,588 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.7

Radius: 14

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.51 AU - 1.53 AU

Year: 1229 Days

Day: 11.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,861,551 km

• M1: 174,730 km (0.112 R)
• M2: 660,175 km (0.104 R)
• M3: 1,413,101 km (0.099 R)
• M4: 2,409,124 km (0.101 R)
• M5: 2,893,672 km (0.108 R)
• M6: 3,610,993 km (0.104 R)
• M7: 5,695,341 km (0.056 R)
• M8: 6,175,699 km (0.076 R)
• M9: 6,996,244 km (0.052 R)
• M10: 8,021,887 km (0.038 R)
• M11: 8,740,704 km (0.115 R)
• M12: 9,868,373 km (0.068 R)
• M13: 11,360,761 km (0.027 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.8

Radius: 11.7

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.38 AU - 3.34 AU

Year: 3173 Days

Day: 8.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,861,551 km

• M1: 146,157 km (0.114 R)
• M2: 547,079 km (0.078 R)
• M3: 1,030,729 km (0.049 R)
• M4: 1,582,147 km (0.052 R)
• M5: 2,654,913 km (0.083 R)
• M6: 3,116,423 km (0.074 R)
• M7: 3,939,211 km (0.12 R)
• M8: 4,306,773 km (0.114 R)
• M9: 5,279,309 km (0.083 R)
• M10: 6,310,038 km (0.046 R)
• M11: 8,004,683 km (0.086 R)
• M12: 11,028,056 km (0.116 R)
• M13: 13,560,000 km (0.069 R)
• M14: 17,967,003 km (0.061 R)
• M15: 18,870,126 km (0.077 R)
• M16: 19,625,894 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.4

Radius: 12.1

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.28 AU - 3.88 AU

Year: 4444 Days

Day: 6.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,861,551 km

• M1: 150,495 km (0.114 R)
• M2: 555,008 km (0.034 R)
• M3: 1,260,362 km (0.065 R)
• M4: 1,887,776 km (0.105 R)
• M5: 2,345,844 km (0.11 R)
• M6: 3,243,731 km (0.101 R)
• M7: 5,801,405 km (0.093 R)
• M8: 6,262,616 km (0.11 R)
• M9: 8,552,211 km (0.104 R)
• M10: 9,481,962 km (0.111 R)
• M11: 10,080,054 km (0.064 R)
• M12: 10,612,623 km (0.08 R)
• M13: 13,141,126 km (0.038 R)
• M14: 13,616,398 km (0.101 R)
• M15: 16,166,892 km (0.033 R)
• M16: 19,561,268 km (0.092 R)
• M17: 22,794,228 km (0.104 R)
• M18: 23,635,566 km (0.056 R)
• M19: 25,788,728 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 361.7

Radius: 14.7

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.45 AU - 4.69 AU

Year: 5386 Days

Day: 13.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,861,551 km

• M1: 182,809 km (0.095 R)
• M2: 912,397 km (0.058 R)
• M3: 1,591,273 km (0.066 R)
• M4: 2,426,777 km (0.042 R)
• M5: 2,929,276 km (0.093 R)
• M6: 3,701,799 km (0.114 R)
• M7: 4,800,147 km (0.063 R)
• M8: 5,683,223 km (0.076 R)
• M9: 7,047,855 km (0.085 R)
• M10: 11,449,922 km (0.101 R)
• M11: 12,548,419 km (0.108 R)
• M12: 13,318,998 km (0.092 R)
• M13: 15,384,196 km (0.12 R)
• M14: 17,184,008 km (0.098 R)
• M15: 19,690,670 km (0.034 R)
• M16: 20,798,293 km (0.072 R)
• M17: 23,066,645 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.1

Radius: 11.9

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 5.22 AU - 6.28 AU

Year: 9045 Days

Day: 5.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,861,551 km

• M1: 148,850 km (0.091 R)
• M2: 730,486 km (0.116 R)
• M3: 1,593,367 km (0.084 R)
• M4: 2,281,966 km (0.073 R)
• M5: 2,975,502 km (0.07 R)
• M6: 3,636,126 km (0.105 R)
• M7: 4,069,062 km (0.068 R)
• M8: 5,304,591 km (0.088 R)
• M9: 6,338,761 km (0.054 R)
• M10: 9,113,053 km (0.095 R)
• M11: 10,898,504 km (0.11 R)
• M12: 12,085,264 km (0.106 R)
• M13: 12,709,985 km (0.09 R)
• M14: 14,660,442 km (0.109 R)
• M15: 15,876,972 km (0.073 R)
• M16: 17,826,082 km (0.091 R)
• M17: 21,560,793 km (0.057 R)
• M18: 24,246,673 km (0.109 R)
• M19: 24,855,387 km (0.108 R)
• M20: 26,582,195 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 780.9

Radius: 3.5

Gravity: 63.75 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 6 AU - 7.72 AU

Year: 11787 Days

Day: 23.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 64,861,551 km

• M1: 43,533 km (0.075 R)
• M2: 243,545 km (0.037 R)
• M3: 369,058 km (0.065 R)
• M4: 503,696 km (0.117 R)
• M5: 688,001 km (0.063 R)
• M6: 1,405,173 km (0.057 R)
• M7: 1,520,962 km (0.115 R)
• M8: 1,706,762 km (0.054 R)
• M9: 2,142,391 km (0.09 R)
• M10: 2,714,005 km (0.076 R)
• M11: 3,229,519 km (0.096 R)
• M12: 4,639,030 km (0.059 R)
• M13: 5,372,060 km (0.084 R)
• M14: 5,876,952 km (0.045 R)
• M15: 6,980,386 km (0.116 R)
• M16: 7,758,445 km (0.086 R)
• M17: 7,893,532 km (0.041 R)
• M18: 8,122,117 km (0.082 R)
• M19: 8,592,602 km (0.105 R)
• M20: 9,900,686 km (0.087 R)
• M21: 10,601,851 km (0.086 R)
• M22: 11,568,104 km (0.092 R)
• M23: 13,478,319 km (0.094 R)
• M24: 13,936,986 km (0.111 R)
• M25: 14,954,850 km (0.106 R)
• M26: 15,094,276 km (0.09 R)
• M27: 15,446,429 km (0.058 R)
• M28: 17,290,073 km (0.08 R)
• M29: 19,440,094 km (0.101 R)
• M30: 22,030,830 km (0.102 R)
• M31: 24,358,124 km (0.109 R)
• M32: 28,414,171 km (0.115 R)
• M33: 33,133,684 km (0.095 R)
• M34: 34,450,744 km (0.086 R)
• M35: 35,926,826 km (0.036 R)
• M36: 43,658,792 km (0.119 R)
• M37: 45,531,907 km (0.08 R)
• M38: 49,129,437 km (0.093 R)
• M39: 54,873,696 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.7

Radius: 3.4

Gravity: 19.52 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 6.54 AU - 7.58 AU

Year: 12306 Days

Day: 20.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,861,551 km

• M1: 42,336 km (0.084 R)
• M2: 286,630 km (0.073 R)
• M3: 884,871 km (0.029 R)
• M4: 1,162,675 km (0.03 R)
• M5: 3,277,241 km (0.083 R)
• M6: 4,215,967 km (0.116 R)
• M7: 5,381,933 km (0.034 R)
• M8: 5,537,515 km (0.107 R)
• M9: 7,606,154 km (0.097 R)
• M10: 7,723,439 km (0.114 R)
• M11: 7,961,299 km (0.086 R)
• M12: 9,997,476 km (0.11 R)
• M13: 12,735,865 km (0.106 R)
• M14: 13,180,021 km (0.104 R)
• M15: 14,815,575 km (0.1 R)
• M16: 15,431,020 km (0.03 R)
• M17: 15,681,896 km (0.11 R)
• M18: 17,110,705 km (0.065 R)
• M19: 17,514,919 km (0.088 R)
• M20: 22,230,692 km (0.104 R)
• M21: 26,010,133 km (0.083 R)
• M22: 26,187,406 km (0.108 R)
• M23: 26,994,936 km (0.031 R)
• M24: 27,450,760 km (0.119 R)
• M25: 32,808,010 km (0.072 R)
• M26: 33,956,921 km (0.094 R)
• M27: 35,132,462 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 503.2

Radius: 5.6

Gravity: 16.05 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 7.66 AU - 10.78 AU

Year: 18366 Days

Day: 23.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,861,551 km

• M1: 69,713 km (0.057 R)
• M2: 535,411 km (0.083 R)
• M3: 1,045,988 km (0.054 R)
• M4: 1,585,289 km (0.085 R)
• M5: 3,486,378 km (0.095 R)
• M6: 5,973,742 km (0.083 R)
• M7: 6,172,857 km (0.049 R)
• M8: 7,013,447 km (0.119 R)
• M9: 8,413,983 km (0.041 R)
• M10: 9,338,497 km (0.071 R)
• M11: 9,552,722 km (0.114 R)
• M12: 11,026,709 km (0.1 R)
• M13: 12,842,528 km (0.069 R)
• M14: 13,376,593 km (0.107 R)
• M15: 13,580,495 km (0.094 R)
• M16: 14,703,975 km (0.093 R)
• M17: 14,994,195 km (0.059 R)
• M18: 16,193,670 km (0.103 R)
• M19: 16,737,907 km (0.089 R)
• M20: 22,293,224 km (0.063 R)
• M21: 22,869,625 km (0.056 R)
• M22: 28,176,310 km (0.096 R)
• M23: 29,996,318 km (0.057 R)
• M24: 49,867,104 km (0.037 R)
• M25: 52,017,573 km (0.114 R)
• M26: 58,656,428 km (0.089 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 459 - 11,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit