🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner System (Rocky)

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: 318.2

Radius: 11.3

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.87 AU - 1.35 AU

Year: 767 Days

Day: 8.7 Hours

Environment

Temp: -160 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,315,378 km

• M1: 140,472 km (0.104 R)
• M2: 589,416 km (0.099 R)
• M3: 1,179,579 km (0.046 R)
• M4: 2,449,665 km (0.09 R)
• M5: 3,388,093 km (0.115 R)
• M6: 3,892,537 km (0.068 R)
• M7: 4,343,425 km (0.117 R)
• M8: 4,719,813 km (0.051 R)
• M9: 5,216,927 km (0.101 R)
• M10: 6,604,447 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.6

Radius: 14

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.99 AU - 1.39 AU

Year: 852 Days

Day: 9.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,315,378 km

• M1: 174,581 km (0.073 R)
• M2: 633,248 km (0.041 R)
• M3: 1,235,978 km (0.103 R)
• M4: 2,170,815 km (0.12 R)
• M5: 2,947,377 km (0.112 R)
• M6: 3,589,900 km (0.085 R)
• M7: 4,175,875 km (0.065 R)
• M8: 5,981,820 km (0.105 R)
• M9: 6,666,380 km (0.108 R)
• M10: 7,380,860 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.6

Radius: 9.3

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.48 AU - 1.94 AU

Year: 1467 Days

Day: 7.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,315,378 km

• M1: 115,639 km (0.103 R)
• M2: 495,618 km (0.107 R)
• M3: 1,202,318 km (0.108 R)
• M4: 1,969,306 km (0.076 R)
• M5: 2,683,187 km (0.118 R)
• M6: 3,500,141 km (0.09 R)
• M7: 4,181,410 km (0.093 R)
• M8: 4,491,826 km (0.104 R)
• M9: 5,976,884 km (0.051 R)
• M10: 6,784,263 km (0.099 R)
• M11: 7,117,119 km (0.103 R)
• M12: 8,342,624 km (0.066 R)
• M13: 8,752,971 km (0.086 R)
• M14: 9,555,115 km (0.085 R)
• M15: 9,883,333 km (0.039 R)
• M16: 10,311,931 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524

Radius: 8.7

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.54 AU - 4.02 AU

Year: 3897 Days

Day: 12.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,315,378 km

• M1: 108,159 km (0.115 R)
• M2: 454,778 km (0.107 R)
• M3: 762,201 km (0.114 R)
• M4: 1,123,480 km (0.026 R)
• M5: 1,857,706 km (0.105 R)
• M6: 2,243,818 km (0.078 R)
• M7: 2,914,615 km (0.091 R)
• M8: 3,381,510 km (0.071 R)
• M9: 3,653,030 km (0.094 R)
• M10: 4,603,575 km (0.092 R)
• M11: 5,737,378 km (0.116 R)
• M12: 6,040,762 km (0.034 R)
• M13: 7,331,642 km (0.097 R)
• M14: 8,058,987 km (0.052 R)
• M15: 8,979,612 km (0.112 R)
• M16: 9,276,564 km (0.079 R)
• M17: 9,618,395 km (0.099 R)
• M18: 9,929,409 km (0.116 R)
• M19: 10,448,962 km (0.114 R)
• M20: 11,326,504 km (0.055 R)
• M21: 14,709,809 km (0.109 R)
• M22: 15,227,567 km (0.088 R)
• M23: 16,026,869 km (0.077 R)
• M24: 17,709,097 km (0.087 R)
• M25: 18,354,462 km (0.072 R)
• M26: 20,640,467 km (0.08 R)
• M27: 21,885,121 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.9

Radius: 13.2

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.19 AU - 4.65 AU

Year: 6096 Days

Day: 10.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,315,378 km

• M1: 164,408 km (0.092 R)
• M2: 695,780 km (0.114 R)
• M3: 1,931,159 km (0.068 R)
• M4: 2,421,391 km (0.112 R)
• M5: 3,051,348 km (0.071 R)
• M6: 3,658,117 km (0.091 R)
• M7: 4,442,159 km (0.076 R)
• M8: 6,730,857 km (0.107 R)
• M9: 7,200,594 km (0.09 R)
• M10: 8,243,591 km (0.045 R)
• M11: 9,385,022 km (0.052 R)
• M12: 11,174,961 km (0.074 R)
• M13: 15,768,513 km (0.096 R)
• M14: 17,273,767 km (0.102 R)
• M15: 18,029,386 km (0.087 R)
• M16: 21,345,971 km (0.098 R)
• M17: 23,566,153 km (0.066 R)
• M18: 24,027,961 km (0.103 R)
• M19: 30,232,982 km (0.034 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 508.6

Radius: 6.5

Gravity: 12.04 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.41 AU - 8.63 AU

Year: 12202 Days

Day: 15.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,315,378 km

• M1: 80,932 km (0.069 R)
• M2: 303,085 km (0.096 R)
• M3: 980,913 km (0.04 R)
• M4: 2,351,080 km (0.062 R)
• M5: 2,627,986 km (0.084 R)
• M6: 2,839,068 km (0.062 R)
• M7: 3,668,738 km (0.088 R)
• M8: 4,680,469 km (0.096 R)
• M9: 5,317,008 km (0.111 R)
• M10: 5,760,715 km (0.096 R)
• M11: 7,405,693 km (0.098 R)
• M12: 8,179,114 km (0.057 R)
• M13: 9,052,616 km (0.064 R)
• M14: 9,936,141 km (0.119 R)
• M15: 12,103,066 km (0.082 R)
• M16: 12,453,125 km (0.057 R)
• M17: 14,113,063 km (0.114 R)
• M18: 15,163,390 km (0.038 R)
• M19: 16,691,382 km (0.065 R)
• M20: 17,052,512 km (0.096 R)
• M21: 18,319,306 km (0.081 R)
• M22: 19,807,955 km (0.108 R)
• M23: 21,206,695 km (0.045 R)
• M24: 22,146,170 km (0.103 R)
• M25: 25,036,550 km (0.112 R)
• M26: 27,562,660 km (0.081 R)
• M27: 28,270,706 km (0.12 R)
• M28: 28,887,199 km (0.081 R)
• M29: 29,198,812 km (0.074 R)
• M30: 32,105,049 km (0.078 R)
• M31: 32,551,300 km (0.091 R)
• M32: 33,570,660 km (0.043 R)
• M33: 37,367,603 km (0.094 R)
• M34: 38,234,673 km (0.061 R)
• M35: 41,837,438 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23.4

Radius: 5.6

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 9.69 AU - 10.05 AU

Year: 20342 Days

Day: 22.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 68,315,378 km

• M1: 93,050 km (0.05 R)
• M2: 1,524,103 km (0.114 R)
• M3: 3,631,638 km (0.097 R)
• M4: 4,034,056 km (0.078 R)
• M5: 5,528,988 km (0.081 R)
• M6: 7,898,768 km (0.103 R)
• M7: 21,015,658 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 343.4

Radius: 7.6

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 9.99 AU - 12.07 AU

Year: 24031 Days

Day: 21.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,315,378 km

• M1: 94,845 km (0.108 R)
• M2: 358,586 km (0.096 R)
• M3: 763,099 km (0.076 R)
• M4: 1,110,166 km (0.115 R)
• M5: 4,203,850 km (0.108 R)
• M6: 5,005,844 km (0.11 R)
• M7: 5,405,869 km (0.056 R)
• M8: 5,710,001 km (0.091 R)
• M9: 5,985,411 km (0.101 R)
• M10: 6,520,672 km (0.033 R)
• M11: 8,071,553 km (0.105 R)
• M12: 10,079,605 km (0.119 R)
• M13: 24,101,115 km (0.111 R)
• M14: 24,718,505 km (0.067 R)
• M15: 34,632,057 km (0.055 R)
• M16: 38,262,498 km (0.09 R)
• M17: 41,109,644 km (0.113 R)
• M18: 45,173,171 km (0.11 R)
• M19: 52,013,833 km (0.057 R)
• M20: 57,301,968 km (0.064 R)
• M21: 65,689,173 km (0.108 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 18,171 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit