🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

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: 915.8

Radius: 11.7

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.66 AU - 0.68 AU

Year: 385 Days

Day: 9.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,439,076 km

• M1: 145,559 km (0.086 R)
• M2: 521,797 km (0.109 R)
• M3: 1,030,879 km (0.096 R)
• M4: 1,434,793 km (0.09 R)
• M5: 1,805,497 km (0.109 R)
• M6: 2,968,321 km (0.111 R)
• M7: 3,387,793 km (0.112 R)
• M8: 3,859,625 km (0.08 R)
• M9: 4,547,626 km (0.117 R)
• M10: 5,730,945 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234

Radius: 10.3

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.7 AU - 1.04 AU

Year: 570 Days

Day: 13.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,439,076 km

• M1: 128,654 km (0.117 R)
• M2: 932,892 km (0.109 R)
• M3: 1,390,213 km (0.049 R)
• M4: 1,766,003 km (0.074 R)
• M5: 2,503,969 km (0.103 R)
• M6: 2,834,281 km (0.106 R)
• M7: 3,183,293 km (0.09 R)
• M8: 4,223,148 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.8

Radius: 9.7

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.47 AU - 2.31 AU

Year: 1826 Days

Day: 14.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,439,076 km

• M1: 120,576 km (0.103 R)
• M2: 690,693 km (0.092 R)
• M3: 1,062,145 km (0.098 R)
• M4: 1,434,045 km (0.08 R)
• M5: 1,967,661 km (0.115 R)
• M6: 2,323,853 km (0.078 R)
• M7: 2,669,125 km (0.096 R)
• M8: 3,987,681 km (0.045 R)
• M9: 5,430,104 km (0.1 R)
• M10: 7,140,007 km (0.092 R)
• M11: 7,763,830 km (0.086 R)
• M12: 8,394,086 km (0.095 R)
• M13: 9,562,595 km (0.03 R)
• M14: 10,766,559 km (0.108 R)
• M15: 11,623,605 km (0.093 R)
• M16: 12,144,056 km (0.119 R)
• M17: 12,953,979 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.6

Radius: 9.6

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.81 AU - 2.03 AU

Year: 1870 Days

Day: 13.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,439,076 km

• M1: 119,379 km (0.115 R)
• M2: 419,024 km (0.11 R)
• M3: 765,642 km (0.111 R)
• M4: 1,272,779 km (0.061 R)
• M5: 1,666,221 km (0.082 R)
• M6: 2,013,887 km (0.109 R)
• M7: 2,924,339 km (0.092 R)
• M8: 3,586,908 km (0.111 R)
• M9: 3,987,232 km (0.097 R)
• M10: 4,328,914 km (0.096 R)
• M11: 4,634,542 km (0.118 R)
• M12: 6,160,291 km (0.06 R)
• M13: 6,760,178 km (0.028 R)
• M14: 7,398,512 km (0.069 R)
• M15: 7,863,462 km (0.096 R)
• M16: 9,140,879 km (0.109 R)
• M17: 10,455,545 km (0.041 R)
• M18: 11,008,608 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.1

Radius: 8

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.81 AU - 3.29 AU

Year: 3744 Days

Day: 8.5 Hours

Environment

Temp: -204 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,439,076 km

• M1: 99,483 km (0.041 R)
• M2: 352,153 km (0.034 R)
• M3: 616,044 km (0.025 R)
• M4: 964,009 km (0.106 R)
• M5: 1,670,260 km (0.063 R)
• M6: 2,001,470 km (0.074 R)
• M7: 3,034,593 km (0.088 R)
• M8: 4,827,822 km (0.07 R)
• M9: 7,424,692 km (0.068 R)
• M10: 8,360,127 km (0.115 R)
• M11: 8,784,387 km (0.095 R)
• M12: 13,367,617 km (0.098 R)
• M13: 14,244,260 km (0.113 R)
• M14: 14,544,803 km (0.085 R)
• M15: 17,104,273 km (0.111 R)
• M16: 21,093,001 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.5

Radius: 12.4

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.43 AU - 4.99 AU

Year: 7185 Days

Day: 10.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,439,076 km

• M1: 182,061 km (0.079 R)
• M2: 1,171,501 km (0.075 R)
• M3: 2,122,943 km (0.093 R)
• M4: 3,038,782 km (0.101 R)
• M5: 3,880,868 km (0.109 R)
• M6: 4,442,608 km (0.09 R)
• M7: 5,414,695 km (0.099 R)
• M8: 7,115,174 km (0.07 R)
• M9: 9,268,486 km (0.112 R)
• M10: 11,447,678 km (0.051 R)
• M11: 13,214,878 km (0.045 R)
• M12: 20,557,291 km (0.119 R)
• M13: 22,339,749 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.5

Radius: 13.6

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.44 AU - 5.64 AU

Year: 7953 Days

Day: 6.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,439,076 km

• M1: 169,794 km (0.11 R)
• M2: 615,894 km (0.118 R)
• M3: 1,187,209 km (0.039 R)
• M4: 1,930,860 km (0.106 R)
• M5: 2,373,969 km (0.106 R)
• M6: 3,020,680 km (0.092 R)
• M7: 4,264,587 km (0.086 R)
• M8: 5,507,446 km (0.11 R)
• M9: 7,774,003 km (0.082 R)
• M10: 8,557,746 km (0.105 R)
• M11: 10,323,151 km (0.105 R)
• M12: 11,101,808 km (0.079 R)
• M13: 11,787,714 km (0.109 R)
• M14: 15,969,124 km (0.099 R)
• M15: 16,622,119 km (0.037 R)
• M16: 18,098,051 km (0.074 R)
• M17: 18,928,170 km (0.099 R)
• M18: 20,920,963 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384.6

Radius: 6.2

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 8.42 AU - 12.2 AU

Year: 23270 Days

Day: 15.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 69,439,076 km

• M1: 77,193 km (0.079 R)
• M2: 455,226 km (0.088 R)
• M3: 692,339 km (0.116 R)
• M4: 1,583,493 km (0.064 R)
• M5: 2,392,818 km (0.081 R)
• M6: 3,793,652 km (0.064 R)
• M7: 4,128,602 km (0.049 R)
• M8: 4,482,999 km (0.03 R)
• M9: 4,963,358 km (0.093 R)
• M10: 6,272,190 km (0.074 R)
• M11: 6,784,563 km (0.07 R)
• M12: 8,039,240 km (0.119 R)
• M13: 8,957,173 km (0.076 R)
• M14: 11,120,956 km (0.103 R)
• M15: 12,128,199 km (0.077 R)
• M16: 12,587,314 km (0.12 R)
• M17: 12,922,414 km (0.082 R)
• M18: 14,687,818 km (0.1 R)
• M19: 15,209,616 km (0.117 R)
• M20: 17,092,604 km (0.063 R)
• M21: 17,753,378 km (0.089 R)
• M22: 19,390,577 km (0.102 R)
• M23: 19,658,058 km (0.113 R)
• M24: 20,938,616 km (0.112 R)
• M25: 24,693,373 km (0.115 R)
• M26: 26,182,619 km (0.109 R)
• M27: 26,509,491 km (0.106 R)
• M28: 28,757,797 km (0.119 R)
• M29: 29,809,919 km (0.117 R)
• M30: 30,047,181 km (0.047 R)
• M31: 30,766,298 km (0.119 R)
• M32: 33,630,050 km (0.118 R)
• M33: 44,969,120 km (0.041 R)
• M34: 46,067,916 km (0.095 R)
• M35: 47,023,847 km (0.075 R)
• M36: 51,660,034 km (0.099 R)
• M37: 54,264,683 km (0.109 R)
• M38: 56,049,086 km (0.108 R)
• M39: 66,768,970 km (0.096 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 11,499 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit