🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.1

Radius: 9.9

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.84 AU - 0.92 AU

Year: 560 Days

Day: 12 Hours

Environment

Temp: -165 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,030,386 km

• M1: 123,269 km (0.115 R)
• M2: 585,376 km (0.089 R)
• M3: 912,846 km (0.052 R)
• M4: 1,253,481 km (0.086 R)
• M5: 1,639,293 km (0.115 R)
• M6: 2,028,697 km (0.086 R)
• M7: 2,379,803 km (0.107 R)
• M8: 2,917,308 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.4

Radius: 10.3

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.31 AU - 3.53 AU

Year: 3384 Days

Day: 6.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,030,386 km

• M1: 128,056 km (0.105 R)
• M2: 483,650 km (0.031 R)
• M3: 1,105,079 km (0.087 R)
• M4: 1,429,258 km (0.082 R)
• M5: 2,044,554 km (0.113 R)
• M6: 4,480,606 km (0.083 R)
• M7: 6,930,271 km (0.097 R)
• M8: 8,292,659 km (0.1 R)
• M9: 9,115,597 km (0.065 R)
• M10: 9,958,730 km (0.111 R)
• M11: 10,572,231 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.5

Radius: 14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.82 AU - 4.2 AU

Year: 4460 Days

Day: 10.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,030,386 km

• M1: 175,628 km (0.081 R)
• M2: 789,877 km (0.117 R)
• M3: 1,644,081 km (0.101 R)
• M4: 3,426,240 km (0.054 R)
• M5: 4,135,633 km (0.095 R)
• M6: 4,589,812 km (0.115 R)
• M7: 5,382,083 km (0.096 R)
• M8: 9,009,382 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.7

Radius: 13

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.29 AU - 4.71 AU

Year: 5426 Days

Day: 14 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,030,386 km

• M1: 162,912 km (0.052 R)
• M2: 567,874 km (0.117 R)
• M3: 1,044,492 km (0.098 R)
• M4: 1,621,043 km (0.109 R)
• M5: 2,188,617 km (0.113 R)
• M6: 3,599,624 km (0.084 R)
• M7: 4,044,678 km (0.115 R)
• M8: 5,238,020 km (0.076 R)
• M9: 6,851,582 km (0.061 R)
• M10: 8,696,573 km (0.039 R)
• M11: 12,326,416 km (0.101 R)
• M12: 13,188,847 km (0.101 R)
• M13: 13,768,240 km (0.118 R)
• M14: 14,200,129 km (0.042 R)
• M15: 15,783,772 km (0.105 R)
• M16: 18,246,153 km (0.07 R)
• M17: 19,704,583 km (0.086 R)
• M18: 21,889,759 km (0.105 R)
• M19: 22,404,824 km (0.03 R)
• M20: 24,388,791 km (0.116 R)
• M21: 25,747,738 km (0.114 R)
• M22: 29,498,905 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.4

Radius: 12.9

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 4.12 AU - 4.4 AU

Year: 5964 Days

Day: 5.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,030,386 km

• M1: 160,369 km (0.06 R)
• M2: 576,849 km (0.113 R)
• M3: 1,104,182 km (0.075 R)
• M4: 1,601,744 km (0.117 R)
• M5: 2,249,204 km (0.114 R)
• M6: 3,124,651 km (0.099 R)
• M7: 4,120,075 km (0.048 R)
• M8: 5,038,307 km (0.038 R)
• M9: 6,026,700 km (0.098 R)
• M10: 7,709,975 km (0.081 R)
• M11: 9,308,877 km (0.108 R)
• M12: 10,748,607 km (0.087 R)
• M13: 11,690,625 km (0.088 R)
• M14: 12,132,088 km (0.103 R)
• M15: 14,065,790 km (0.083 R)
• M16: 15,719,146 km (0.092 R)
• M17: 17,818,453 km (0.114 R)
• M18: 18,404,128 km (0.097 R)
• M19: 19,002,520 km (0.095 R)
• M20: 20,238,498 km (0.116 R)
• M21: 22,341,395 km (0.105 R)
• M22: 24,268,066 km (0.049 R)
• M23: 25,557,899 km (0.091 R)
• M24: 27,750,405 km (0.093 R)
• M25: 30,896,448 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.7

Radius: 8.3

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.42 AU - 6.54 AU

Year: 8701 Days

Day: 10.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,030,386 km

• M1: 103,223 km (0.104 R)
• M2: 390,600 km (0.119 R)
• M3: 1,330,374 km (0.08 R)
• M4: 1,847,534 km (0.071 R)
• M5: 2,271,943 km (0.057 R)
• M6: 2,711,461 km (0.091 R)
• M7: 4,400,272 km (0.1 R)
• M8: 7,797,041 km (0.109 R)
• M9: 8,654,985 km (0.106 R)
• M10: 10,557,421 km (0.117 R)
• M11: 12,631,296 km (0.081 R)
• M12: 12,908,202 km (0.082 R)
• M13: 14,008,045 km (0.07 R)
• M14: 17,911,951 km (0.101 R)
• M15: 21,619,884 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.6

Radius: 8.7

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.2 AU - 6.88 AU

Year: 8844 Days

Day: 6 Hours

Environment

Temp: -227 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,030,386 km

• M1: 110,104 km (0.115 R)
• M2: 398,080 km (0.027 R)
• M3: 865,124 km (0.114 R)
• M4: 2,002,367 km (0.066 R)
• M5: 2,643,993 km (0.081 R)
• M6: 3,095,180 km (0.096 R)
• M7: 7,249,962 km (0.034 R)
• M8: 7,858,675 km (0.117 R)
• M9: 12,460,007 km (0.057 R)
• M10: 13,956,135 km (0.117 R)
• M11: 15,445,083 km (0.099 R)
• M12: 20,843,621 km (0.054 R)
• M13: 22,072,119 km (0.099 R)
• M14: 26,134,150 km (0.056 R)
• M15: 30,961,972 km (0.111 R)
• M16: 31,853,875 km (0.119 R)
• M17: 36,243,675 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570.6

Radius: 4.4

Gravity: 29.47 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 6.33 AU - 7.01 AU

Year: 11684 Days

Day: 17.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 50,030,386 km

• M1: 62,981 km (0.096 R)
• M2: 237,262 km (0.056 R)
• M3: 511,026 km (0.049 R)
• M4: 678,726 km (0.118 R)
• M5: 1,005,896 km (0.061 R)
• M6: 1,298,958 km (0.075 R)
• M7: 1,933,552 km (0.118 R)
• M8: 2,818,723 km (0.112 R)
• M9: 2,996,445 km (0.046 R)
• M10: 3,704,642 km (0.104 R)
• M11: 4,428,995 km (0.088 R)
• M12: 5,177,433 km (0.118 R)
• M13: 5,444,615 km (0.09 R)
• M14: 6,006,654 km (0.103 R)
• M15: 6,152,960 km (0.117 R)
• M16: 7,495,003 km (0.068 R)
• M17: 8,644,513 km (0.107 R)
• M18: 10,008,696 km (0.096 R)
• M19: 10,318,663 km (0.083 R)
• M20: 12,373,389 km (0.059 R)
• M21: 15,152,918 km (0.065 R)
• M22: 16,615,387 km (0.038 R)
• M23: 18,017,268 km (0.11 R)
• M24: 18,708,111 km (0.103 R)
• M25: 19,817,380 km (0.079 R)
• M26: 22,870,223 km (0.104 R)
• M27: 25,450,787 km (0.105 R)
• M28: 26,027,935 km (0.113 R)
• M29: 28,218,946 km (0.086 R)
• M30: 28,837,234 km (0.118 R)
• M31: 31,842,056 km (0.101 R)
• M32: 32,175,809 km (0.105 R)
• M33: 41,299,335 km (0.075 R)
• M34: 46,090,655 km (0.098 R)
• M35: 48,693,209 km (0.066 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 335 - 12,474 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit