🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.4

Radius: 13.5

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.58 AU - 0.76 AU

Year: 372 Days

Day: 6 Hours

Environment

Temp: -160 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,620,819 km

• M1: 167,849 km (0.065 R)
• M2: 642,972 km (0.116 R)
• M3: 1,321,398 km (0.115 R)
• M4: 1,842,447 km (0.102 R)
• M5: 2,315,625 km (0.102 R)
• M6: 2,808,102 km (0.088 R)
• M7: 3,441,499 km (0.068 R)
• M8: 4,034,355 km (0.063 R)
• M9: 4,606,418 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.1

Radius: 13.8

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.83 AU - 0.87 AU

Year: 532 Days

Day: 7 Hours

Environment

Temp: -159 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 66,620,819 km

• M1: 172,486 km (0.087 R)
• M2: 1,093,560 km (0.115 R)
• M3: 1,712,896 km (0.096 R)
• M4: 2,345,395 km (0.085 R)
• M5: 3,261,084 km (0.067 R)
• M6: 5,150,505 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.5

Radius: 12.2

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.92 AU - 1.52 AU

Year: 914 Days

Day: 11.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,620,819 km

• M1: 151,842 km (0.11 R)
• M2: 629,358 km (0.092 R)
• M3: 1,026,840 km (0.097 R)
• M4: 1,479,673 km (0.105 R)
• M5: 2,132,667 km (0.094 R)
• M6: 2,794,189 km (0.101 R)
• M7: 3,439,704 km (0.098 R)
• M8: 3,928,590 km (0.105 R)
• M9: 4,511,872 km (0.052 R)
• M10: 5,169,953 km (0.119 R)
• M11: 6,106,286 km (0.061 R)
• M12: 6,934,161 km (0.087 R)
• M13: 7,352,885 km (0.096 R)
• M14: 8,265,731 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.7

Radius: 14.5

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.24 AU - 1.84 AU

Year: 1296 Days

Day: 12.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,620,819 km

• M1: 180,565 km (0.104 R)
• M2: 689,197 km (0.097 R)
• M3: 1,377,796 km (0.048 R)
• M4: 2,427,525 km (0.098 R)
• M5: 3,061,969 km (0.115 R)
• M6: 4,177,371 km (0.058 R)
• M7: 5,318,653 km (0.096 R)
• M8: 6,279,819 km (0.094 R)
• M9: 6,864,448 km (0.042 R)
• M10: 7,441,447 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.7

Radius: 9.3

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 2.18 AU - 2.54 AU

Year: 2459 Days

Day: 6.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,620,819 km

• M1: 115,789 km (0.118 R)
• M2: 436,078 km (0.08 R)
• M3: 825,780 km (0.116 R)
• M4: 1,378,096 km (0.101 R)
• M5: 1,708,408 km (0.062 R)
• M6: 4,443,506 km (0.081 R)
• M7: 6,007,551 km (0.09 R)
• M8: 8,674,283 km (0.111 R)
• M9: 9,520,259 km (0.111 R)
• M10: 12,465,691 km (0.109 R)
• M11: 14,250,693 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.9

Radius: 8.2

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.24 AU - 3.68 AU

Year: 3454 Days

Day: 12.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,620,819 km

• M1: 106,962 km (0.084 R)
• M2: 430,543 km (0.108 R)
• M3: 1,447,659 km (0.116 R)
• M4: 2,188,318 km (0.053 R)
• M5: 3,375,526 km (0.092 R)
• M6: 3,653,479 km (0.061 R)
• M7: 3,965,540 km (0.099 R)
• M8: 4,275,507 km (0.077 R)
• M9: 4,966,350 km (0.101 R)
• M10: 6,025,503 km (0.103 R)
• M11: 6,568,394 km (0.047 R)
• M12: 8,393,937 km (0.102 R)
• M13: 12,679,916 km (0.041 R)
• M14: 13,312,116 km (0.107 R)
• M15: 15,859,618 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.3

Radius: 9.3

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.48 AU - 3.82 AU

Year: 3792 Days

Day: 12.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,620,819 km

• M1: 116,537 km (0.108 R)
• M2: 449,691 km (0.1 R)
• M3: 1,036,713 km (0.087 R)
• M4: 1,905,727 km (0.115 R)
• M5: 2,331,034 km (0.101 R)
• M6: 2,787,607 km (0.105 R)
• M7: 3,409,784 km (0.1 R)
• M8: 4,183,654 km (0.097 R)
• M9: 5,970,152 km (0.104 R)
• M10: 6,741,329 km (0.105 R)
• M11: 7,765,177 km (0.082 R)
• M12: 8,117,629 km (0.082 R)
• M13: 8,480,853 km (0.059 R)
• M14: 9,028,381 km (0.12 R)
• M15: 10,118,650 km (0.111 R)
• M16: 11,132,475 km (0.106 R)
• M17: 11,915,171 km (0.098 R)
• M18: 12,778,201 km (0.115 R)
• M19: 13,134,843 km (0.039 R)
• M20: 13,452,439 km (0.057 R)
• M21: 14,245,008 km (0.093 R)
• M22: 14,774,136 km (0.103 R)
• M23: 15,316,428 km (0.102 R)
• M24: 16,180,506 km (0.12 R)
• M25: 19,726,574 km (0.071 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.7

Radius: 14.9

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.03 AU - 4.49 AU

Year: 5964 Days

Day: 12.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,620,819 km

• M1: 185,352 km (0.118 R)
• M2: 830,717 km (0.064 R)
• M3: 1,407,566 km (0.066 R)
• M4: 2,732,256 km (0.073 R)
• M5: 3,299,231 km (0.055 R)
• M6: 4,130,547 km (0.043 R)
• M7: 5,291,875 km (0.066 R)
• M8: 8,840,935 km (0.085 R)
• M9: 9,919,984 km (0.095 R)
• M10: 10,581,506 km (0.05 R)
• M11: 11,652,926 km (0.056 R)
• M12: 12,591,653 km (0.062 R)
• M13: 16,128,146 km (0.107 R)
• M14: 17,420,223 km (0.081 R)
• M15: 20,349,948 km (0.07 R)
• M16: 22,153,649 km (0.087 R)
• M17: 27,596,768 km (0.098 R)
• M18: 29,443,105 km (0.039 R)
• M19: 30,904,227 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 633.6

Radius: 5.3

Gravity: 22.56 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 9.59 AU - 10.23 AU

Year: 21159 Days

Day: 23.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 66,620,819 km

• M1: 67,020 km (0.094 R)
• M2: 357,838 km (0.109 R)
• M3: 529,576 km (0.09 R)
• M4: 1,449,005 km (0.058 R)
• M5: 2,539,125 km (0.079 R)
• M6: 4,089,258 km (0.062 R)
• M7: 4,319,339 km (0.1 R)
• M8: 5,062,242 km (0.075 R)
• M9: 7,600,769 km (0.105 R)
• M10: 8,153,084 km (0.063 R)
• M11: 8,624,616 km (0.12 R)
• M12: 11,645,895 km (0.049 R)
• M13: 12,515,657 km (0.11 R)
• M14: 14,994,045 km (0.117 R)
• M15: 19,388,183 km (0.097 R)
• M16: 20,702,999 km (0.087 R)
• M17: 25,221,154 km (0.106 R)
• M18: 26,219,869 km (0.059 R)
• M19: 28,414,320 km (0.078 R)
• M20: 29,011,515 km (0.112 R)
• M21: 30,603,386 km (0.108 R)
• M22: 33,164,651 km (0.074 R)
• M23: 36,004,019 km (0.066 R)
• M24: 39,295,321 km (0.083 R)
• M25: 43,094,060 km (0.103 R)
• M26: 43,723,718 km (0.058 R)
• M27: 46,798,552 km (0.067 R)
• M28: 51,411,702 km (0.091 R)
• M29: 51,588,227 km (0.071 R)
• M30: 57,260,530 km (0.096 R)
• M31: 57,640,209 km (0.096 R)
• M32: 57,830,647 km (0.096 R)
• M33: 61,529,006 km (0.103 R)
• M34: 62,327,260 km (0.083 R)
• M35: 64,352,965 km (0.059 R)
• M36: 66,631,490 km (0.079 R)
• M37: 70,040,825 km (0.037 R)
• M38: 74,238,243 km (0.027 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384.6

Radius: 4.2

Gravity: 21.8 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 9.98 AU - 10.28 AU

Year: 21868 Days

Day: 19.6 Hours

Environment

Temp: -228 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,620,819 km

• M1: 53,107 km (0.09 R)
• M2: 281,394 km (0.058 R)
• M3: 634,145 km (0.052 R)
• M4: 851,661 km (0.042 R)
• M5: 1,593,217 km (0.108 R)
• M6: 1,831,676 km (0.12 R)
• M7: 2,152,713 km (0.047 R)
• M8: 3,821,478 km (0.068 R)
• M9: 4,123,815 km (0.057 R)
• M10: 4,741,654 km (0.11 R)
• M11: 5,569,529 km (0.069 R)
• M12: 8,273,809 km (0.118 R)
• M13: 9,575,311 km (0.108 R)
• M14: 10,418,295 km (0.095 R)
• M15: 11,007,262 km (0.069 R)
• M16: 13,107,915 km (0.118 R)
• M17: 13,654,695 km (0.064 R)
• M18: 15,162,043 km (0.076 R)
• M19: 18,081,595 km (0.066 R)
• M20: 29,389,698 km (0.099 R)
• M21: 51,719,574 km (0.107 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: 388 - 19,400 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit