🌌 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: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.6

Radius: 13.4

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.45 AU - 0.65 AU

Year: 277 Days

Day: 6.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 76,025,001 km

• M1: 166,652 km (0.053 R)
• M2: 608,265 km (0.055 R)
• M3: 1,029,084 km (0.118 R)
• M4: 1,510,490 km (0.046 R)
• M5: 2,100,803 km (0.053 R)
• M6: 2,887,538 km (0.094 R)
• M7: 3,365,653 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.5

Radius: 8.2

Gravity: 14.17 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.1 AU - 1.46 AU

Year: 982 Days

Day: 14 Hours

Environment

Temp: -175 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,025,001 km

• M1: 102,026 km (0.109 R)
• M2: 366,066 km (0.109 R)
• M3: 637,437 km (0.113 R)
• M4: 999,463 km (0.078 R)
• M5: 1,304,045 km (0.097 R)
• M6: 1,652,757 km (0.11 R)
• M7: 1,949,410 km (0.117 R)
• M8: 2,338,664 km (0.091 R)
• M9: 2,689,321 km (0.114 R)
• M10: 3,159,058 km (0.113 R)
• M11: 3,421,303 km (0.113 R)
• M12: 5,582,993 km (0.113 R)
• M13: 6,212,201 km (0.111 R)
• M14: 6,509,303 km (0.102 R)
• M15: 7,181,595 km (0.083 R)
• M16: 8,777,057 km (0.073 R)
• M17: 9,093,456 km (0.115 R)
• M18: 9,627,371 km (0.111 R)
• M19: 10,758,032 km (0.059 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.5

Radius: 13.9

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.37 AU - 2.19 AU

Year: 1611 Days

Day: 8.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 76,025,001 km

• M1: 172,935 km (0.061 R)
• M2: 641,775 km (0.075 R)
• M3: 1,404,425 km (0.118 R)
• M4: 1,921,585 km (0.108 R)
• M5: 2,424,084 km (0.088 R)
• M6: 3,280,083 km (0.047 R)
• M7: 4,417,476 km (0.074 R)
• M8: 4,856,994 km (0.072 R)
• M9: 5,571,324 km (0.111 R)
• M10: 6,196,942 km (0.08 R)
• M11: 6,773,642 km (0.087 R)
• M12: 7,823,221 km (0.072 R)
• M13: 9,810,030 km (0.045 R)
• M14: 10,244,761 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.9

Radius: 13.6

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.05 AU - 3.41 AU

Year: 3059 Days

Day: 13.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 76,025,001 km

• M1: 169,195 km (0.11 R)
• M2: 623,524 km (0.056 R)
• M3: 1,266,496 km (0.109 R)
• M4: 4,193,079 km (0.113 R)
• M5: 4,687,649 km (0.085 R)
• M6: 6,583,952 km (0.105 R)
• M7: 7,096,175 km (0.06 R)
• M8: 8,435,375 km (0.087 R)
• M9: 10,338,709 km (0.103 R)
• M10: 11,103,603 km (0.064 R)
• M11: 11,609,842 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 409.6

Radius: 8.5

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 3.09 AU - 3.77 AU

Year: 4309 Days

Day: 11.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,025,001 km

• M1: 105,915 km (0.097 R)
• M2: 481,406 km (0.107 R)
• M3: 795,412 km (0.085 R)
• M4: 1,122,882 km (0.042 R)
• M5: 1,393,953 km (0.109 R)
• M6: 1,928,915 km (0.106 R)
• M7: 3,756,702 km (0.064 R)
• M8: 5,158,434 km (0.078 R)
• M9: 6,230,153 km (0.106 R)
• M10: 7,126,693 km (0.055 R)
• M11: 7,508,317 km (0.07 R)
• M12: 11,029,402 km (0.098 R)
• M13: 12,382,365 km (0.075 R)
• M14: 13,122,576 km (0.103 R)
• M15: 14,387,725 km (0.108 R)
• M16: 16,710,830 km (0.076 R)
• M17: 19,334,328 km (0.076 R)
• M18: 20,647,797 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.3

Radius: 13.2

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.62 AU - 4.34 AU

Year: 5385 Days

Day: 14.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 44.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,025,001 km

• M1: 165,455 km (0.1 R)
• M2: 594,502 km (0.119 R)
• M3: 1,454,989 km (0.055 R)
• M4: 1,870,123 km (0.101 R)
• M5: 2,303,358 km (0.099 R)
• M6: 3,236,999 km (0.086 R)
• M7: 4,215,967 km (0.083 R)
• M8: 4,788,029 km (0.078 R)
• M9: 5,439,977 km (0.047 R)
• M10: 7,902,657 km (0.045 R)
• M11: 8,503,442 km (0.112 R)
• M12: 13,441,518 km (0.089 R)
• M13: 13,973,339 km (0.07 R)
• M14: 16,723,845 km (0.045 R)
• M15: 17,652,848 km (0.065 R)
• M16: 18,355,659 km (0.12 R)
• M17: 19,411,371 km (0.044 R)
• M18: 21,788,481 km (0.091 R)
• M19: 23,426,279 km (0.079 R)
• M20: 24,432,025 km (0.091 R)
• M21: 25,790,224 km (0.1 R)
• M22: 27,114,016 km (0.113 R)
• M23: 27,964,180 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 92.7

Radius: 10.3

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.22 AU - 5.34 AU

Year: 6006 Days

Day: 10.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 76,025,001 km

• M1: 128,056 km (0.06 R)
• M2: 583,731 km (0.096 R)
• M3: 1,370,915 km (0.118 R)
• M4: 1,755,381 km (0.074 R)
• M5: 2,746,318 km (0.116 R)
• M6: 3,451,223 km (0.045 R)
• M7: 4,075,046 km (0.034 R)
• M8: 4,559,594 km (0.104 R)
• M9: 5,915,399 km (0.114 R)
• M10: 6,754,793 km (0.066 R)
• M11: 7,289,455 km (0.111 R)
• M12: 7,671,528 km (0.115 R)
• M13: 9,999,271 km (0.09 R)
• M14: 10,619,953 km (0.114 R)
• M15: 13,145,913 km (0.078 R)
• M16: 13,846,330 km (0.112 R)
• M17: 16,047,962 km (0.066 R)
• M18: 16,595,041 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.9

Radius: 8.1

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.87 AU - 5.61 AU

Year: 6999 Days

Day: 13 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 76,025,001 km

• M1: 100,829 km (0.076 R)
• M2: 409,449 km (0.115 R)
• M3: 1,004,400 km (0.087 R)
• M4: 1,482,066 km (0.078 R)
• M5: 2,090,181 km (0.087 R)
• M6: 2,459,539 km (0.078 R)
• M7: 3,122,706 km (0.102 R)
• M8: 5,051,621 km (0.113 R)
• M9: 5,418,734 km (0.117 R)
• M10: 6,475,793 km (0.097 R)
• M11: 6,941,341 km (0.032 R)
• M12: 7,231,112 km (0.072 R)
• M13: 9,690,501 km (0.117 R)
• M14: 10,677,548 km (0.116 R)
• M15: 11,866,402 km (0.073 R)
• M16: 13,092,357 km (0.089 R)
• M17: 16,809,714 km (0.079 R)
• M18: 20,510,616 km (0.114 R)
• M19: 22,902,836 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.3

Radius: 4.7

Gravity: 17.94 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 6.82 AU - 10.54 AU

Year: 17345 Days

Day: 15.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 76,025,001 km

• M1: 58,493 km (0.048 R)
• M2: 273,016 km (0.12 R)
• M3: 1,024,745 km (0.063 R)
• M4: 1,230,442 km (0.088 R)
• M5: 2,147,328 km (0.095 R)
• M6: 2,302,461 km (0.118 R)
• M7: 2,701,289 km (0.102 R)
• M8: 2,905,639 km (0.04 R)
• M9: 3,475,159 km (0.113 R)
• M10: 4,449,041 km (0.106 R)
• M11: 4,865,372 km (0.058 R)
• M12: 5,628,470 km (0.112 R)
• M13: 7,301,722 km (0.097 R)
• M14: 9,178,727 km (0.099 R)
• M15: 10,173,852 km (0.065 R)
• M16: 10,502,519 km (0.103 R)
• M17: 10,894,764 km (0.065 R)
• M18: 11,828,105 km (0.102 R)
• M19: 12,191,478 km (0.077 R)
• M20: 12,562,182 km (0.093 R)
• M21: 14,188,460 km (0.099 R)
• M22: 15,087,095 km (0.081 R)
• M23: 23,684,185 km (0.113 R)
• M24: 24,261,184 km (0.111 R)
• M25: 28,999,846 km (0.1 R)
• M26: 33,351,499 km (0.069 R)
• M27: 39,444,770 km (0.073 R)
• M28: 40,938,654 km (0.114 R)
• M29: 41,490,969 km (0.078 R)
• M30: 44,764,320 km (0.104 R)
• M31: 45,645,751 km (0.112 R)
• M32: 49,912,133 km (0.084 R)
• M33: 51,819,057 km (0.098 R)
• M34: 53,445,036 km (0.081 R)
• M35: 55,272,374 km (0.095 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 798.9

Radius: 6.6

Gravity: 18.34 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 6.99 AU - 11.13 AU

Year: 18496 Days

Day: 17.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 76,025,001 km

• M1: 90,507 km (0.05 R)
• M2: 318,494 km (0.105 R)
• M3: 1,145,022 km (0.118 R)
• M4: 1,543,850 km (0.091 R)
• M5: 2,071,631 km (0.091 R)
• M6: 2,570,540 km (0.106 R)
• M7: 3,282,626 km (0.088 R)
• M8: 3,625,205 km (0.105 R)
• M9: 4,086,864 km (0.09 R)
• M10: 4,762,448 km (0.082 R)
• M11: 5,164,418 km (0.075 R)
• M12: 5,789,288 km (0.058 R)
• M13: 6,247,357 km (0.06 R)
• M14: 7,570,849 km (0.051 R)
• M15: 8,480,703 km (0.095 R)
• M16: 10,215,291 km (0.12 R)
• M17: 11,324,409 km (0.088 R)
• M18: 12,240,696 km (0.114 R)
• M19: 13,779,310 km (0.093 R)
• M20: 14,294,675 km (0.099 R)
• M21: 15,521,078 km (0.09 R)
• M22: 19,896,816 km (0.09 R)
• M23: 20,555,196 km (0.066 R)
• M24: 22,114,455 km (0.062 R)
• M25: 30,980,971 km (0.095 R)
• M26: 41,801,535 km (0.11 R)
• M27: 44,136,159 km (0.118 R)
• M28: 45,739,848 km (0.098 R)
• M29: 46,065,224 km (0.097 R)
• M30: 47,548,337 km (0.101 R)
• M31: 47,882,239 km (0.063 R)
• M32: 48,893,371 km (0.104 R)
• M33: 49,233,407 km (0.074 R)
• M34: 58,258,946 km (0.069 R)
• M35: 65,812,442 km (0.075 R)
• M36: 66,643,607 km (0.098 R)
• M37: 75,343,621 km (0.08 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: 402 - 16,543 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit