🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.2

Radius: 9.4

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.41 AU - 0.65 AU

Year: 257 Days

Day: 9.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 83,162,380 km

• M1: 119,379 km (0.119 R)
• M2: 479,910 km (0.111 R)
• M3: 1,327,980 km (0.074 R)
• M4: 2,008,651 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 491.7

Radius: 9.9

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.89 AU - 0.91 AU

Year: 569 Days

Day: 8.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 83,162,380 km

• M1: 123,119 km (0.113 R)
• M2: 604,675 km (0.088 R)
• M3: 973,882 km (0.067 R)
• M4: 1,571,974 km (0.116 R)
• M5: 2,099,008 km (0.114 R)
• M6: 2,516,386 km (0.068 R)
• M7: 2,857,319 km (0.104 R)
• M8: 3,300,279 km (0.046 R)
• M9: 4,182,457 km (0.086 R)
• M10: 5,247,145 km (0.117 R)
• M11: 5,685,766 km (0.089 R)
• M12: 6,148,472 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.2

Radius: 13.2

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.98 AU - 1.98 AU

Year: 1858 Days

Day: 13.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,162,380 km

• M1: 164,408 km (0.089 R)
• M2: 654,042 km (0.113 R)
• M3: 1,075,160 km (0.084 R)
• M4: 1,808,189 km (0.087 R)
• M5: 2,476,294 km (0.115 R)
• M6: 3,046,561 km (0.11 R)
• M7: 3,735,608 km (0.057 R)
• M8: 4,675,233 km (0.102 R)
• M9: 5,181,023 km (0.075 R)
• M10: 6,679,695 km (0.101 R)
• M11: 7,374,577 km (0.11 R)
• M12: 8,035,201 km (0.086 R)
• M13: 9,475,380 km (0.052 R)
• M14: 11,736,701 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.5

Radius: 13.1

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.05 AU - 4.53 AU

Year: 5925 Days

Day: 10.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 83,162,380 km

• M1: 163,062 km (0.051 R)
• M2: 590,164 km (0.11 R)
• M3: 1,060,350 km (0.115 R)
• M4: 2,348,238 km (0.052 R)
• M5: 3,128,690 km (0.083 R)
• M6: 3,822,525 km (0.072 R)
• M7: 4,408,350 km (0.115 R)
• M8: 5,179,976 km (0.041 R)
• M9: 6,445,125 km (0.092 R)
• M10: 7,150,479 km (0.11 R)
• M11: 9,310,373 km (0.076 R)
• M12: 11,001,427 km (0.098 R)
• M13: 12,375,035 km (0.091 R)
• M14: 13,860,093 km (0.097 R)
• M15: 14,827,243 km (0.04 R)
• M16: 17,067,023 km (0.1 R)
• M17: 20,157,415 km (0.075 R)
• M18: 21,599,090 km (0.049 R)
• M19: 22,898,647 km (0.09 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 952.7

Radius: 5.2

Gravity: 35.23 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 5.24 AU - 6.8 AU

Year: 9850 Days

Day: 18.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 83,162,380 km

• M1: 64,626 km (0.111 R)
• M2: 229,334 km (0.056 R)
• M3: 628,012 km (0.095 R)
• M4: 852,259 km (0.075 R)
• M5: 1,129,314 km (0.102 R)
• M6: 1,395,299 km (0.079 R)
• M7: 1,782,010 km (0.079 R)
• M8: 2,275,084 km (0.114 R)
• M9: 2,766,065 km (0.092 R)
• M10: 3,324,962 km (0.107 R)
• M11: 6,100,003 km (0.102 R)
• M12: 6,403,537 km (0.085 R)
• M13: 7,503,081 km (0.036 R)
• M14: 8,120,322 km (0.105 R)
• M15: 8,302,682 km (0.073 R)
• M16: 9,059,647 km (0.109 R)
• M17: 9,405,069 km (0.113 R)
• M18: 10,764,764 km (0.117 R)
• M19: 11,040,622 km (0.11 R)
• M20: 13,292,668 km (0.118 R)
• M21: 14,525,953 km (0.102 R)
• M22: 20,224,585 km (0.082 R)
• M23: 20,814,150 km (0.057 R)
• M24: 25,851,559 km (0.104 R)
• M25: 31,420,041 km (0.116 R)
• M26: 31,983,277 km (0.113 R)
• M27: 34,185,208 km (0.055 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 349.6

Radius: 7.7

Gravity: 5.9 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 8.56 AU - 8.62 AU

Year: 16789 Days

Day: 19.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 83,162,380 km

• M1: 96,191 km (0.076 R)
• M2: 338,390 km (0.073 R)
• M3: 610,359 km (0.057 R)
• M4: 929,601 km (0.099 R)
• M5: 1,386,024 km (0.12 R)
• M6: 2,054,577 km (0.115 R)
• M7: 2,765,765 km (0.088 R)
• M8: 3,399,462 km (0.095 R)
• M9: 3,984,240 km (0.075 R)
• M10: 4,665,509 km (0.042 R)
• M11: 5,116,846 km (0.07 R)
• M12: 6,144,284 km (0.102 R)
• M13: 10,046,095 km (0.086 R)
• M14: 11,020,726 km (0.037 R)
• M15: 11,997,600 km (0.11 R)
• M16: 12,659,869 km (0.1 R)
• M17: 13,991,290 km (0.093 R)
• M18: 15,274,242 km (0.084 R)
• M19: 15,908,537 km (0.114 R)
• M20: 16,560,335 km (0.049 R)
• M21: 16,929,991 km (0.089 R)
• M22: 19,922,098 km (0.089 R)
• M23: 20,509,270 km (0.111 R)
• M24: 23,526,808 km (0.119 R)
• M25: 24,563,222 km (0.076 R)
• M26: 25,728,141 km (0.038 R)
• M27: 26,124,426 km (0.048 R)
• M28: 29,121,021 km (0.105 R)
• M29: 32,224,429 km (0.062 R)
• M30: 39,209,901 km (0.117 R)
• M31: 41,609,301 km (0.061 R)
• M32: 44,958,648 km (0.119 R)
• M33: 49,240,289 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 799.9

Radius: 6.5

Gravity: 18.93 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 9.16 AU - 10.58 AU

Year: 20678 Days

Day: 18.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 83,162,380 km

• M1: 83,476 km (0.036 R)
• M2: 346,169 km (0.077 R)
• M3: 1,143,077 km (0.098 R)
• M4: 2,203,427 km (0.116 R)
• M5: 2,448,917 km (0.096 R)
• M6: 2,968,919 km (0.07 R)
• M7: 4,973,232 km (0.118 R)
• M8: 7,005,219 km (0.064 R)
• M9: 7,689,031 km (0.117 R)
• M10: 8,363,119 km (0.07 R)
• M11: 8,687,148 km (0.115 R)
• M12: 9,132,202 km (0.05 R)
• M13: 10,937,549 km (0.114 R)
• M14: 11,655,320 km (0.026 R)
• M15: 12,059,832 km (0.088 R)
• M16: 12,896,982 km (0.052 R)
• M17: 13,623,579 km (0.081 R)
• M18: 18,749,550 km (0.074 R)
• M19: 21,235,567 km (0.072 R)
• M20: 22,247,597 km (0.094 R)
• M21: 23,185,576 km (0.109 R)
• M22: 23,610,882 km (0.061 R)
• M23: 26,618,398 km (0.104 R)
• M24: 27,437,895 km (0.109 R)
• M25: 27,794,088 km (0.112 R)
• M26: 28,516,047 km (0.12 R)
• M27: 30,502,108 km (0.081 R)
• M28: 31,012,686 km (0.061 R)
• M29: 32,711,370 km (0.117 R)
• M30: 34,885,924 km (0.079 R)
• M31: 36,150,625 km (0.101 R)
• M32: 38,030,920 km (0.115 R)
• M33: 39,370,270 km (0.051 R)
• M34: 39,823,552 km (0.114 R)
• M35: 44,061,510 km (0.048 R)
• M36: 47,558,360 km (0.061 R)
• M37: 53,420,203 km (0.049 R)
• M38: 57,004,269 km (0.069 R)
• M39: 69,589,638 km (0.102 R)
• M40: 73,400,644 km (0.088 R)
• M41: 74,778,141 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 616.1

Radius: 5.7

Gravity: 18.96 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 10.77 AU - 11.09 AU

Year: 24097 Days

Day: 17.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 83,162,380 km

• M1: 71,358 km (0.063 R)
• M2: 275,260 km (0.112 R)
• M3: 1,514,529 km (0.081 R)
• M4: 2,522,370 km (0.073 R)
• M5: 3,279,485 km (0.08 R)
• M6: 3,633,433 km (0.081 R)
• M7: 3,980,051 km (0.05 R)
• M8: 4,924,313 km (0.113 R)
• M9: 5,549,931 km (0.116 R)
• M10: 6,769,902 km (0.106 R)
• M11: 7,343,759 km (0.094 R)
• M12: 8,317,941 km (0.087 R)
• M13: 8,808,323 km (0.113 R)
• M14: 9,668,062 km (0.116 R)
• M15: 10,027,246 km (0.095 R)
• M16: 14,663,134 km (0.09 R)
• M17: 16,451,278 km (0.095 R)
• M18: 18,471,148 km (0.09 R)
• M19: 18,654,106 km (0.1 R)
• M20: 22,057,608 km (0.105 R)
• M21: 22,995,437 km (0.072 R)
• M22: 30,443,017 km (0.117 R)
• M23: 31,084,642 km (0.083 R)
• M24: 33,333,697 km (0.1 R)
• M25: 34,706,108 km (0.099 R)
• M26: 40,573,336 km (0.075 R)
• M27: 45,884,808 km (0.117 R)
• M28: 46,389,552 km (0.093 R)
• M29: 48,445,326 km (0.104 R)
• M30: 53,106,347 km (0.108 R)
• M31: 55,735,679 km (0.082 R)
• M32: 60,040,806 km (0.088 R)
• M33: 60,846,690 km (0.086 R)
• M34: 61,659,754 km (0.11 R)
• M35: 67,554,958 km (0.11 R)
• M36: 70,415,419 km (0.097 R)
• M37: 72,215,081 km (0.107 R)
• M38: 73,355,465 km (0.091 R)
• M39: 81,922,188 km (0.081 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 475 - 16,957 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit