🌌 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: 970.4

Radius: 10.7

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.51 AU - 0.55 AU

Year: 257 Days

Day: 12.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,443,909 km

• M1: 133,142 km (0.069 R)
• M2: 468,391 km (0.092 R)
• M3: 804,089 km (0.096 R)
• M4: 1,300,305 km (0.085 R)
• M5: 1,778,569 km (0.071 R)
• M6: 2,150,170 km (0.103 R)
• M7: 2,484,671 km (0.045 R)
• M8: 2,922,843 km (0.087 R)
• M9: 3,390,486 km (0.111 R)
• M10: 3,919,614 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.7

Radius: 13.6

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.89 AU - 1.39 AU

Year: 812 Days

Day: 8.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,443,909 km

• M1: 169,345 km (0.109 R)
• M2: 599,738 km (0.071 R)
• M3: 1,152,652 km (0.118 R)
• M4: 1,679,984 km (0.118 R)
• M5: 2,203,726 km (0.085 R)
• M6: 3,455,860 km (0.078 R)
• M7: 4,033,159 km (0.101 R)
• M8: 4,706,349 km (0.099 R)
• M9: 5,507,446 km (0.115 R)
• M10: 6,619,257 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264.4

Radius: 13.6

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.23 AU - 1.49 AU

Year: 1058 Days

Day: 11.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,443,909 km

• M1: 169,195 km (0.082 R)
• M2: 625,618 km (0.053 R)
• M3: 1,061,995 km (0.089 R)
• M4: 1,561,054 km (0.119 R)
• M5: 2,115,164 km (0.111 R)
• M6: 2,591,334 km (0.066 R)
• M7: 3,103,258 km (0.054 R)
• M8: 3,574,342 km (0.067 R)
• M9: 4,093,447 km (0.076 R)
• M10: 5,866,780 km (0.095 R)
• M11: 6,450,959 km (0.102 R)
• M12: 7,181,595 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.7

Radius: 10.2

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.01 AU - 2.27 AU

Year: 2088 Days

Day: 10.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 25,443,909 km

• M1: 127,906 km (0.079 R)
• M2: 493,075 km (0.103 R)
• M3: 825,182 km (0.105 R)
• M4: 1,774,979 km (0.044 R)
• M5: 2,690,069 km (0.071 R)
• M6: 3,041,175 km (0.03 R)
• M7: 3,371,338 km (0.103 R)
• M8: 4,065,771 km (0.108 R)
• M9: 6,142,040 km (0.1 R)
• M10: 6,483,871 km (0.12 R)
• M11: 8,420,715 km (0.069 R)
• M12: 8,909,750 km (0.109 R)
• M13: 10,454,348 km (0.119 R)
• M14: 11,925,793 km (0.094 R)
• M15: 12,252,365 km (0.093 R)
• M16: 12,838,340 km (0.066 R)
• M17: 13,224,751 km (0.091 R)
• M18: 15,612,034 km (0.112 R)
• M19: 16,400,863 km (0.089 R)
• M20: 16,754,363 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.5

Radius: 8.4

Gravity: 13.26 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.54 AU - 3.42 AU

Year: 3430 Days

Day: 11.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 25,443,909 km

• M1: 104,419 km (0.118 R)
• M2: 380,876 km (0.087 R)
• M3: 770,878 km (0.037 R)
• M4: 1,226,852 km (0.073 R)
• M5: 1,506,301 km (0.114 R)
• M6: 1,973,046 km (0.088 R)
• M7: 2,330,585 km (0.11 R)
• M8: 2,664,039 km (0.096 R)
• M9: 3,252,707 km (0.075 R)
• M10: 4,810,918 km (0.064 R)
• M11: 6,533,089 km (0.106 R)
• M12: 6,813,585 km (0.091 R)
• M13: 7,265,669 km (0.034 R)
• M14: 8,631,348 km (0.054 R)
• M15: 8,969,440 km (0.087 R)
• M16: 11,588,898 km (0.112 R)
• M17: 12,950,538 km (0.112 R)
• M18: 13,544,142 km (0.108 R)
• M19: 14,207,459 km (0.118 R)
• M20: 14,679,291 km (0.071 R)
• M21: 15,599,019 km (0.089 R)
• M22: 17,433,537 km (0.119 R)
• M23: 22,570,280 km (0.117 R)
• M24: 25,366,264 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 377.4

Radius: 10.4

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.76 AU - 6.22 AU

Year: 7433 Days

Day: 6.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,443,909 km

• M1: 129,851 km (0.095 R)
• M2: 2,359,009 km (0.103 R)
• M3: 3,884,608 km (0.114 R)
• M4: 4,364,518 km (0.094 R)
• M5: 4,883,622 km (0.061 R)
• M6: 5,356,801 km (0.081 R)
• M7: 7,276,440 km (0.105 R)
• M8: 8,007,675 km (0.025 R)
• M9: 8,430,289 km (0.105 R)
• M10: 9,446,507 km (0.084 R)
• M11: 12,520,295 km (0.057 R)
• M12: 13,786,641 km (0.097 R)
• M13: 17,707,451 km (0.065 R)
• M14: 19,506,066 km (0.102 R)
• M15: 20,131,834 km (0.048 R)
• M16: 21,131,896 km (0.036 R)
• M17: 30,914,550 km (0.1 R)
• M18: 32,244,624 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 953.4

Radius: 6.4

Gravity: 23.28 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 5.15 AU - 6.71 AU

Year: 9630 Days

Day: 21.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 25,443,909 km

• M1: 79,736 km (0.099 R)
• M2: 281,244 km (0.105 R)
• M3: 713,582 km (0.073 R)
• M4: 943,663 km (0.097 R)
• M5: 1,223,411 km (0.052 R)
• M6: 1,819,260 km (0.073 R)
• M7: 2,219,284 km (0.101 R)
• M8: 5,914,651 km (0.092 R)
• M9: 6,632,272 km (0.103 R)
• M10: 6,991,756 km (0.116 R)
• M11: 8,468,436 km (0.113 R)
• M12: 8,701,959 km (0.08 R)
• M13: 9,578,153 km (0.108 R)
• M14: 10,194,048 km (0.081 R)
• M15: 10,511,794 km (0.046 R)
• M16: 17,799,903 km (0.102 R)
• M17: 18,106,429 km (0.114 R)
• M18: 19,286,756 km (0.111 R)
• M19: 20,184,493 km (0.116 R)
• M20: 20,685,646 km (0.09 R)
• M21: 23,225,817 km (0.1 R)
• M22: 26,163,172 km (0.063 R)
• M23: 27,567,447 km (0.064 R)
• M24: 29,445,648 km (0.055 R)
• M25: 30,854,262 km (0.074 R)
• M26: 34,274,817 km (0.079 R)
• M27: 39,736,486 km (0.116 R)
• M28: 40,523,520 km (0.073 R)
• M29: 44,474,400 km (0.06 R)
• M30: 47,051,522 km (0.072 R)
• M31: 49,424,294 km (0.071 R)
• M32: 51,410,056 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 45

Radius: 6.6

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 6.66 AU - 9.34 AU

Year: 15089 Days

Day: 17.4 Hours

Environment

Temp: -241 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,443,909 km

• M1: 82,279 km (0.095 R)
• M2: 374,892 km (0.111 R)
• M3: 801,695 km (0.106 R)
• M4: 1,105,528 km (0.051 R)
• M5: 1,462,768 km (0.056 R)
• M6: 1,881,642 km (0.059 R)
• M7: 2,098,559 km (0.065 R)
• M8: 2,393,117 km (0.097 R)
• M9: 2,975,502 km (0.105 R)
• M10: 6,185,124 km (0.082 R)
• M11: 8,377,481 km (0.107 R)
• M12: 8,893,444 km (0.114 R)
• M13: 9,159,429 km (0.079 R)
• M14: 9,948,258 km (0.103 R)
• M15: 10,193,599 km (0.107 R)
• M16: 12,303,677 km (0.045 R)
• M17: 14,323,099 km (0.118 R)
• M18: 15,933,819 km (0.114 R)
• M19: 17,602,284 km (0.078 R)
• M20: 17,961,319 km (0.069 R)
• M21: 19,131,024 km (0.032 R)
• M22: 22,802,306 km (0.093 R)
• M23: 24,541,830 km (0.049 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: 510 - 17,478 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit