🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.9

Radius: 13.4

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.66 AU - 0.86 AU

Year: 449 Days

Day: 14.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 57,370,776 km

• M1: 166,802 km (0.079 R)
• M2: 802,593 km (0.067 R)
• M3: 1,829,283 km (0.044 R)
• M4: 2,259,377 km (0.092 R)
• M5: 3,515,849 km (0.087 R)
• M6: 4,017,451 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.3

Radius: 12.6

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.12 AU - 1.62 AU

Year: 1088 Days

Day: 12.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,370,776 km

• M1: 156,629 km (0.053 R)
• M2: 562,189 km (0.102 R)
• M3: 961,017 km (0.052 R)
• M4: 1,362,537 km (0.051 R)
• M5: 1,851,872 km (0.11 R)
• M6: 2,305,752 km (0.117 R)
• M7: 2,736,743 km (0.079 R)
• M8: 3,615,481 km (0.108 R)
• M9: 4,089,407 km (0.092 R)
• M10: 4,833,358 km (0.112 R)
• M11: 5,238,319 km (0.113 R)
• M12: 5,725,859 km (0.08 R)
• M13: 6,437,795 km (0.114 R)
• M14: 7,278,834 km (0.098 R)
• M15: 8,662,764 km (0.075 R)
• M16: 9,774,575 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.8

Radius: 9.6

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.53 AU - 2.17 AU

Year: 1707 Days

Day: 9 Hours

Environment

Temp: -191 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 57,370,776 km

• M1: 119,379 km (0.1 R)
• M2: 761,154 km (0.114 R)
• M3: 1,099,395 km (0.047 R)
• M4: 1,503,608 km (0.104 R)
• M5: 2,072,080 km (0.057 R)
• M6: 2,670,322 km (0.104 R)
• M7: 3,150,082 km (0.1 R)
• M8: 3,787,369 km (0.069 R)
• M9: 4,101,076 km (0.097 R)
• M10: 4,604,473 km (0.077 R)
• M11: 4,942,265 km (0.096 R)
• M12: 5,894,156 km (0.109 R)
• M13: 6,886,888 km (0.103 R)
• M14: 8,743,696 km (0.083 R)
• M15: 10,065,094 km (0.101 R)
• M16: 10,808,297 km (0.103 R)
• M17: 11,299,875 km (0.1 R)
• M18: 12,671,239 km (0.098 R)
• M19: 13,417,134 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.4

Radius: 14

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.55 AU - 2.45 AU

Year: 1918 Days

Day: 14 Hours

Environment

Temp: -200 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,370,776 km

• M1: 174,431 km (0.115 R)
• M2: 1,294,770 km (0.111 R)
• M3: 1,869,525 km (0.06 R)
• M4: 2,778,631 km (0.099 R)
• M5: 3,581,373 km (0.06 R)
• M6: 4,435,726 km (0.09 R)
• M7: 6,125,285 km (0.112 R)
• M8: 7,404,047 km (0.105 R)
• M9: 8,062,577 km (0.079 R)
• M10: 8,574,352 km (0.07 R)
• M11: 9,596,703 km (0.118 R)
• M12: 13,865,030 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.2

Radius: 9.2

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.76 AU - 5.3 AU

Year: 7651 Days

Day: 12.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,370,776 km

• M1: 200,312 km (0.099 R)
• M2: 559,047 km (0.108 R)
• M3: 1,628,672 km (0.093 R)
• M4: 1,922,781 km (0.091 R)
• M5: 2,395,511 km (0.109 R)
• M6: 2,699,194 km (0.101 R)
• M7: 6,833,780 km (0.114 R)
• M8: 7,529,710 km (0.116 R)
• M9: 7,936,317 km (0.116 R)
• M10: 10,440,585 km (0.08 R)
• M11: 13,311,518 km (0.068 R)
• M12: 19,628,437 km (0.118 R)
• M13: 21,675,385 km (0.073 R)
• M14: 24,209,573 km (0.11 R)
• M15: 24,561,726 km (0.092 R)
• M16: 30,877,898 km (0.071 R)
• M17: 33,746,886 km (0.119 R)
• M18: 34,407,809 km (0.118 R)
• M19: 35,077,260 km (0.047 R)
• M20: 40,378,260 km (0.09 R)
• M21: 40,873,729 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 101.3

Radius: 6.9

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.82 AU - 9.5 AU

Year: 14379 Days

Day: 24.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,370,776 km

• M1: 86,318 km (0.056 R)
• M2: 588,967 km (0.091 R)
• M3: 831,315 km (0.073 R)
• M4: 1,102,088 km (0.108 R)
• M5: 1,351,617 km (0.116 R)
• M6: 2,100,952 km (0.095 R)
• M7: 2,628,584 km (0.108 R)
• M8: 5,833,120 km (0.107 R)
• M9: 9,261,006 km (0.106 R)
• M10: 10,123,438 km (0.11 R)
• M11: 10,437,593 km (0.049 R)
• M12: 10,665,879 km (0.119 R)
• M13: 15,605,751 km (0.12 R)
• M14: 22,866,783 km (0.091 R)
• M15: 26,495,728 km (0.041 R)
• M16: 30,491,038 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 690.3

Radius: 5.3

Gravity: 24.57 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.98 AU - 9.16 AU

Year: 15549 Days

Day: 20.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 57,370,776 km

• M1: 65,973 km (0.096 R)
• M2: 231,578 km (0.083 R)
• M3: 637,437 km (0.05 R)
• M4: 902,075 km (0.117 R)
• M5: 1,362,537 km (0.054 R)
• M6: 1,930,261 km (0.093 R)
• M7: 3,742,939 km (0.047 R)
• M8: 4,442,010 km (0.102 R)
• M9: 6,055,572 km (0.088 R)
• M10: 6,884,494 km (0.055 R)
• M11: 7,739,595 km (0.063 R)
• M12: 8,969,739 km (0.057 R)
• M13: 9,283,445 km (0.108 R)
• M14: 10,496,235 km (0.086 R)
• M15: 10,727,514 km (0.1 R)
• M16: 14,193,248 km (0.078 R)
• M17: 17,195,228 km (0.044 R)
• M18: 18,590,079 km (0.076 R)
• M19: 20,957,764 km (0.098 R)
• M20: 24,015,245 km (0.082 R)
• M21: 25,028,472 km (0.075 R)
• M22: 25,234,468 km (0.069 R)
• M23: 26,494,381 km (0.105 R)
• M24: 28,238,842 km (0.105 R)
• M25: 29,025,577 km (0.115 R)
• M26: 29,481,552 km (0.115 R)
• M27: 30,878,347 km (0.057 R)
• M28: 40,056,027 km (0.074 R)
• M29: 40,338,019 km (0.113 R)
• M30: 40,621,357 km (0.101 R)
• M31: 42,348,913 km (0.107 R)
• M32: 46,569,219 km (0.116 R)
• M33: 52,060,209 km (0.07 R)
• M34: 57,250,208 km (0.102 R)
• M35: 58,327,911 km (0.072 R)
• M36: 60,709,509 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 241.3

Radius: 6.5

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 10.04 AU - 10.34 AU

Year: 22062 Days

Day: 15.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 57,370,776 km

• M1: 82,877 km (0.106 R)
• M2: 290,070 km (0.082 R)
• M3: 1,146,967 km (0.069 R)
• M4: 1,365,679 km (0.025 R)
• M5: 3,053,891 km (0.066 R)
• M6: 5,766,998 km (0.109 R)
• M7: 6,066,942 km (0.1 R)
• M8: 8,513,764 km (0.086 R)
• M9: 9,354,804 km (0.044 R)
• M10: 10,304,451 km (0.064 R)
• M11: 10,746,513 km (0.042 R)
• M12: 14,819,165 km (0.088 R)
• M13: 16,327,860 km (0.06 R)
• M14: 18,737,881 km (0.049 R)
• M15: 22,003,304 km (0.076 R)
• M16: 27,688,322 km (0.091 R)
• M17: 29,744,545 km (0.109 R)
• M18: 36,140,452 km (0.112 R)
• M19: 41,567,414 km (0.059 R)
• M20: 47,817,015 km (0.03 R)
• M21: 51,563,394 km (0.07 R)
• M22: 56,176,095 km (0.085 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 12,659 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit