🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468

Radius: 10.6

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.88 AU - 1.34 AU

Year: 807 Days

Day: 14.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,004,172 km

• M1: 131,796 km (0.112 R)
• M2: 588,219 km (0.038 R)
• M3: 1,078,002 km (0.109 R)
• M4: 1,700,030 km (0.103 R)
• M5: 2,527,007 km (0.114 R)
• M6: 2,906,836 km (0.12 R)
• M7: 3,455,412 km (0.118 R)
• M8: 3,983,642 km (0.073 R)
• M9: 4,375,588 km (0.117 R)
• M10: 5,524,350 km (0.084 R)
• M11: 6,288,197 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.3

Radius: 11.2

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.03 AU - 1.53 AU

Year: 1000 Days

Day: 11.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 156.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 70,004,172 km

• M1: 140,323 km (0.096 R)
• M2: 684,709 km (0.089 R)
• M3: 1,462,469 km (0.075 R)
• M4: 2,671,519 km (0.101 R)
• M5: 4,502,597 km (0.109 R)
• M6: 5,988,403 km (0.025 R)
• M7: 7,011,353 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.7

Radius: 10

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.67 AU - 3.05 AU

Year: 3339 Days

Day: 6.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 70,004,172 km

• M1: 128,804 km (0.079 R)
• M2: 469,438 km (0.087 R)
• M3: 884,722 km (0.084 R)
• M4: 1,489,546 km (0.119 R)
• M5: 1,983,817 km (0.104 R)
• M6: 5,081,840 km (0.099 R)
• M7: 6,781,870 km (0.065 R)
• M8: 7,898,468 km (0.065 R)
• M9: 9,286,737 km (0.06 R)
• M10: 9,917,441 km (0.064 R)
• M11: 11,754,653 km (0.083 R)
• M12: 18,246,452 km (0.111 R)
• M13: 19,047,549 km (0.072 R)
• M14: 21,592,209 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.9

Radius: 8.4

Gravity: 10.43 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.21 AU - 4.27 AU

Year: 4993 Days

Day: 15 Hours

Environment

Temp: -224 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 70,004,172 km

• M1: 106,364 km (0.106 R)
• M2: 664,663 km (0.099 R)
• M3: 1,122,882 km (0.087 R)
• M4: 1,458,878 km (0.077 R)
• M5: 1,987,707 km (0.081 R)
• M6: 2,273,439 km (0.096 R)
• M7: 2,621,553 km (0.078 R)
• M8: 3,101,463 km (0.091 R)
• M9: 3,595,435 km (0.08 R)
• M10: 3,907,347 km (0.055 R)
• M11: 5,368,170 km (0.109 R)
• M12: 6,237,184 km (0.092 R)
• M13: 10,044,599 km (0.049 R)
• M14: 11,406,538 km (0.085 R)
• M15: 13,146,212 km (0.104 R)
• M16: 17,019,301 km (0.077 R)
• M17: 17,646,565 km (0.091 R)
• M18: 19,484,674 km (0.04 R)
• M19: 21,087,316 km (0.05 R)
• M20: 21,737,767 km (0.096 R)
• M21: 22,550,832 km (0.118 R)
• M22: 24,002,679 km (0.085 R)
• M23: 26,670,608 km (0.089 R)
• M24: 27,176,099 km (0.119 R)
• M25: 29,530,171 km (0.076 R)
• M26: 30,071,117 km (0.068 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915.7

Radius: 7

Gravity: 18.69 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.81 AU - 6.31 AU

Year: 9049 Days

Day: 19.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 70,004,172 km

• M1: 87,066 km (0.089 R)
• M2: 570,417 km (0.118 R)
• M3: 2,349,734 km (0.107 R)
• M4: 3,338,725 km (0.044 R)
• M5: 3,819,533 km (0.082 R)
• M6: 4,610,756 km (0.115 R)
• M7: 4,949,894 km (0.058 R)
• M8: 7,554,094 km (0.101 R)
• M9: 8,026,075 km (0.101 R)
• M10: 9,609,569 km (0.095 R)
• M11: 12,068,958 km (0.089 R)
• M12: 16,785,180 km (0.103 R)
• M13: 18,037,015 km (0.116 R)
• M14: 19,667,931 km (0.104 R)
• M15: 21,992,084 km (0.118 R)
• M16: 22,953,250 km (0.061 R)
• M17: 32,114,624 km (0.108 R)
• M18: 36,397,760 km (0.105 R)
• M19: 43,173,796 km (0.084 R)
• M20: 46,928,553 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.5

Radius: 5.7

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 7.52 AU - 7.58 AU

Year: 14320 Days

Day: 24.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,004,172 km

• M1: 70,909 km (0.12 R)
• M2: 282,890 km (0.053 R)
• M3: 584,778 km (0.05 R)
• M4: 774,019 km (0.114 R)
• M5: 1,077,254 km (0.097 R)
• M6: 1,551,480 km (0.095 R)
• M7: 1,922,482 km (0.09 R)
• M8: 3,588,404 km (0.102 R)
• M9: 4,155,081 km (0.11 R)
• M10: 6,107,034 km (0.114 R)
• M11: 10,141,688 km (0.053 R)
• M12: 11,588,150 km (0.106 R)
• M13: 12,136,576 km (0.094 R)
• M14: 18,531,885 km (0.119 R)
• M15: 22,146,469 km (0.101 R)
• M16: 24,118,468 km (0.051 R)
• M17: 25,101,625 km (0.101 R)
• M18: 37,147,994 km (0.095 R)
• M19: 38,217,469 km (0.055 R)
• M20: 41,675,872 km (0.047 R)
• M21: 44,005,859 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 875.2

Radius: 6.3

Gravity: 22.05 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.46 AU - 8.84 AU

Year: 14605 Days

Day: 19.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 83.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 70,004,172 km

• M1: 78,539 km (0.109 R)
• M2: 663,018 km (0.097 R)
• M3: 1,123,330 km (0.062 R)
• M4: 1,578,108 km (0.101 R)
• M5: 1,884,036 km (0.108 R)
• M6: 2,168,571 km (0.116 R)
• M7: 2,459,838 km (0.105 R)
• M8: 4,231,226 km (0.09 R)
• M9: 6,091,476 km (0.075 R)
• M10: 6,630,327 km (0.039 R)
• M11: 7,290,802 km (0.028 R)
• M12: 7,567,109 km (0.078 R)
• M13: 7,850,148 km (0.053 R)
• M14: 10,090,975 km (0.105 R)
• M15: 10,492,196 km (0.073 R)
• M16: 16,405,351 km (0.039 R)
• M17: 16,641,566 km (0.114 R)
• M18: 17,527,335 km (0.117 R)
• M19: 19,656,412 km (0.059 R)
• M20: 20,645,703 km (0.038 R)
• M21: 21,479,412 km (0.09 R)
• M22: 24,013,749 km (0.032 R)
• M23: 24,832,050 km (0.09 R)
• M24: 26,740,769 km (0.083 R)
• M25: 30,609,220 km (0.086 R)
• M26: 31,449,362 km (0.083 R)
• M27: 32,552,197 km (0.102 R)
• M28: 35,225,212 km (0.113 R)
• M29: 38,593,857 km (0.097 R)
• M30: 40,427,628 km (0.09 R)
• M31: 42,318,694 km (0.048 R)
• M32: 42,912,299 km (0.116 R)
• M33: 48,022,412 km (0.118 R)
• M34: 53,351,089 km (0.09 R)
• M35: 60,549,140 km (0.106 R)
• M36: 63,213,777 km (0.076 R)
• M37: 64,574,968 km (0.096 R)
• M38: 66,353,687 km (0.036 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 942.6

Radius: 4.4

Gravity: 48.69 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.37 AU - 10.39 AU

Year: 18265 Days

Day: 19.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,004,172 km

• M1: 54,753 km (0.101 R)
• M2: 466,895 km (0.059 R)
• M3: 813,214 km (0.075 R)
• M4: 1,211,144 km (0.066 R)
• M5: 1,621,641 km (0.091 R)
• M6: 2,098,559 km (0.073 R)
• M7: 2,247,409 km (0.032 R)
• M8: 3,438,806 km (0.107 R)
• M9: 4,152,986 km (0.119 R)
• M10: 4,961,114 km (0.104 R)
• M11: 6,472,950 km (0.104 R)
• M12: 6,790,098 km (0.06 R)
• M13: 7,069,995 km (0.033 R)
• M14: 8,007,525 km (0.09 R)
• M15: 8,479,357 km (0.082 R)
• M16: 14,185,917 km (0.067 R)
• M17: 14,337,310 km (0.099 R)
• M18: 15,347,844 km (0.075 R)
• M19: 15,587,649 km (0.096 R)
• M20: 18,213,690 km (0.087 R)
• M21: 23,678,351 km (0.1 R)
• M22: 26,895,453 km (0.073 R)
• M23: 27,478,137 km (0.072 R)
• M24: 29,645,361 km (0.106 R)
• M25: 30,142,026 km (0.108 R)
• M26: 30,770,487 km (0.118 R)
• M27: 31,151,812 km (0.105 R)
• M28: 42,834,658 km (0.113 R)
• M29: 49,117,918 km (0.086 R)
• M30: 52,117,505 km (0.114 R)
• M31: 55,799,856 km (0.086 R)
• M32: 63,883,228 km (0.082 R)
• M33: 78,240,285 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 477.3

Radius: 3.6

Gravity: 36.83 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 9.53 AU - 10.05 AU

Year: 21144 Days

Day: 23.6 Hours

Environment

Temp: -242 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,004,172 km

• M1: 45,029 km (0.113 R)
• M2: 388,506 km (0.086 R)
• M3: 665,262 km (0.115 R)
• M4: 799,900 km (0.101 R)
• M5: 952,639 km (0.106 R)
• M6: 1,124,826 km (0.108 R)
• M7: 1,317,359 km (0.053 R)
• M8: 1,483,861 km (0.098 R)
• M9: 2,967,872 km (0.093 R)
• M10: 3,474,710 km (0.114 R)
• M11: 3,944,447 km (0.094 R)
• M12: 5,227,997 km (0.092 R)
• M13: 6,548,198 km (0.078 R)
• M14: 9,938,535 km (0.051 R)
• M15: 10,110,422 km (0.091 R)
• M16: 10,878,308 km (0.118 R)
• M17: 11,811,649 km (0.098 R)
• M18: 12,265,081 km (0.065 R)
• M19: 12,396,727 km (0.059 R)
• M20: 13,554,016 km (0.094 R)
• M21: 14,050,830 km (0.089 R)
• M22: 14,559,613 km (0.06 R)
• M23: 15,691,021 km (0.099 R)
• M24: 18,730,252 km (0.108 R)
• M25: 19,168,873 km (0.05 R)
• M26: 24,350,644 km (0.091 R)
• M27: 27,148,423 km (0.102 R)
• M28: 30,033,568 km (0.09 R)
• M29: 35,462,474 km (0.111 R)
• M30: 38,196,376 km (0.107 R)
• M31: 41,509,968 km (0.081 R)
• M32: 46,912,097 km (0.112 R)
• M33: 47,395,897 km (0.101 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 497 - 16,039 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit