🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.8

Radius: 10.5

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.67 AU - 0.97 AU

Year: 513 Days

Day: 7.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,805,928 km

• M1: 153,787 km (0.069 R)
• M2: 521,947 km (0.058 R)
• M3: 967,449 km (0.084 R)
• M4: 1,422,077 km (0.046 R)
• M5: 1,751,342 km (0.104 R)
• M6: 2,310,240 km (0.092 R)
• M7: 2,743,326 km (0.057 R)
• M8: 3,219,645 km (0.113 R)
• M9: 3,646,747 km (0.075 R)
• M10: 4,062,181 km (0.096 R)
• M11: 4,430,042 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.5

Radius: 10

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.86 AU - 5.7 AU

Year: 8375 Days

Day: 5.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,805,928 km

• M1: 124,316 km (0.117 R)
• M2: 445,951 km (0.107 R)
• M3: 1,001,109 km (0.108 R)
• M4: 1,721,871 km (0.056 R)
• M5: 2,145,533 km (0.032 R)
• M6: 2,560,667 km (0.119 R)
• M7: 2,901,451 km (0.076 R)
• M8: 3,387,943 km (0.099 R)
• M9: 4,553,310 km (0.04 R)
• M10: 6,036,723 km (0.101 R)
• M11: 8,411,589 km (0.096 R)
• M12: 10,878,757 km (0.114 R)
• M13: 11,297,033 km (0.101 R)
• M14: 14,469,704 km (0.077 R)
• M15: 14,912,065 km (0.083 R)
• M16: 15,363,402 km (0.073 R)
• M17: 17,615,149 km (0.088 R)
• M18: 20,708,384 km (0.118 R)
• M19: 22,593,467 km (0.116 R)
• M20: 27,272,141 km (0.086 R)
• M21: 28,634,229 km (0.073 R)
• M22: 29,331,954 km (0.067 R)
• M23: 31,073,722 km (0.116 R)
• M24: 34,313,862 km (0.086 R)
• M25: 38,975,332 km (0.113 R)
• M26: 39,832,378 km (0.111 R)
• M27: 40,327,696 km (0.105 R)
• M28: 43,779,069 km (0.112 R)

Planet 3 - Ice Giant

Semi-Major Axis: 8.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97.8

Radius: 4.3

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 6.27 AU - 9.79 AU

Year: 15707 Days

Day: 23.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 71,805,928 km

• M1: 63,130 km (0.052 R)
• M2: 353,201 km (0.115 R)
• M3: 1,290,282 km (0.096 R)
• M4: 1,490,144 km (0.052 R)
• M5: 2,104,992 km (0.104 R)
• M6: 2,469,113 km (0.08 R)
• M7: 2,874,074 km (0.106 R)
• M8: 3,153,822 km (0.105 R)
• M9: 3,407,989 km (0.101 R)
• M10: 3,721,546 km (0.029 R)
• M11: 4,227,636 km (0.076 R)
• M12: 6,924,437 km (0.073 R)
• M13: 7,208,673 km (0.092 R)
• M14: 7,762,634 km (0.118 R)
• M15: 9,594,609 km (0.032 R)
• M16: 11,350,439 km (0.081 R)
• M17: 12,099,027 km (0.079 R)
• M18: 12,355,587 km (0.06 R)
• M19: 14,948,418 km (0.082 R)
• M20: 20,736,210 km (0.094 R)
• M21: 20,882,816 km (0.116 R)
• M22: 23,480,433 km (0.103 R)
• M23: 24,283,624 km (0.089 R)
• M24: 30,142,774 km (0.105 R)
• M25: 31,572,331 km (0.074 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628.1

Radius: 3.3

Gravity: 57.68 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 6.41 AU - 10.15 AU

Year: 16446 Days

Day: 24.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,805,928 km

• M1: 41,588 km (0.041 R)
• M2: 211,382 km (0.078 R)
• M3: 499,956 km (0.108 R)
• M4: 2,821,117 km (0.097 R)
• M5: 3,272,453 km (0.09 R)
• M6: 3,378,967 km (0.06 R)
• M7: 4,642,022 km (0.095 R)
• M8: 6,687,324 km (0.084 R)
• M9: 6,859,212 km (0.08 R)
• M10: 7,484,082 km (0.116 R)
• M11: 9,694,241 km (0.093 R)
• M12: 14,116,653 km (0.116 R)
• M13: 17,439,970 km (0.102 R)
• M14: 18,261,861 km (0.085 R)
• M15: 19,455,353 km (0.104 R)
• M16: 20,699,857 km (0.084 R)
• M17: 21,434,233 km (0.092 R)
• M18: 24,546,168 km (0.082 R)
• M19: 31,526,554 km (0.116 R)
• M20: 33,739,556 km (0.105 R)
• M21: 35,400,691 km (0.094 R)
• M22: 36,715,057 km (0.102 R)
• M23: 43,181,575 km (0.116 R)
• M24: 50,695,876 km (0.111 R)
• M25: 54,240,598 km (0.113 R)
• M26: 58,489,626 km (0.107 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 886.5

Radius: 3.2

Gravity: 86.57 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 7.26 AU - 9.3 AU

Year: 16446 Days

Day: 19.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 71,805,928 km

• M1: 39,943 km (0.084 R)
• M2: 252,521 km (0.081 R)
• M3: 449,990 km (0.118 R)
• M4: 570,865 km (0.108 R)
• M5: 924,814 km (0.083 R)
• M6: 1,096,403 km (0.117 R)
• M7: 1,217,727 km (0.116 R)
• M8: 1,318,256 km (0.1 R)
• M9: 1,671,008 km (0.064 R)
• M10: 2,490,954 km (0.057 R)
• M11: 3,052,694 km (0.078 R)
• M12: 3,576,885 km (0.058 R)
• M13: 5,238,618 km (0.077 R)
• M14: 6,027,149 km (0.05 R)
• M15: 6,891,525 km (0.117 R)
• M16: 8,134,384 km (0.112 R)
• M17: 8,702,557 km (0.114 R)
• M18: 9,632,009 km (0.085 R)
• M19: 10,385,832 km (0.092 R)
• M20: 12,813,806 km (0.067 R)
• M21: 16,959,312 km (0.063 R)
• M22: 19,018,527 km (0.045 R)
• M23: 19,923,444 km (0.108 R)
• M24: 20,480,098 km (0.104 R)
• M25: 22,410,210 km (0.06 R)
• M26: 23,317,072 km (0.08 R)
• M27: 27,988,864 km (0.091 R)
• M28: 30,726,206 km (0.086 R)
• M29: 31,970,112 km (0.074 R)
• M30: 36,312,789 km (0.048 R)
• M31: 39,416,197 km (0.093 R)
• M32: 45,822,875 km (0.093 R)
• M33: 52,889,430 km (0.11 R)
• M34: 53,420,352 km (0.11 R)
• M35: 53,776,246 km (0.113 R)
• M36: 55,215,527 km (0.067 R)
• M37: 59,687,007 km (0.093 R)
• M38: 61,424,287 km (0.084 R)
• M39: 62,010,711 km (0.119 R)
• M40: 71,261,245 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.8

Radius: 3

Gravity: 50.76 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 9.31 AU - 11.07 AU

Year: 22453 Days

Day: 20.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,805,928 km

• M1: 39,195 km (0.09 R)
• M2: 161,267 km (0.089 R)
• M3: 730,786 km (0.108 R)
• M4: 968,646 km (0.094 R)
• M5: 1,388,119 km (0.114 R)
• M6: 1,529,937 km (0.056 R)
• M7: 2,784,166 km (0.072 R)
• M8: 7,068,649 km (0.117 R)
• M9: 7,680,355 km (0.114 R)
• M10: 9,062,340 km (0.081 R)
• M11: 9,897,395 km (0.075 R)
• M12: 18,587,685 km (0.059 R)
• M13: 19,205,973 km (0.064 R)
• M14: 22,011,531 km (0.066 R)
• M15: 27,048,641 km (0.11 R)
• M16: 28,071,442 km (0.105 R)
• M17: 38,319,495 km (0.047 R)
• M18: 39,608,280 km (0.12 R)
• M19: 41,819,786 km (0.11 R)
• M20: 61,375,818 km (0.069 R)
• M21: 68,624,582 km (0.111 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 16,685 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit