🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.5

Radius: 14.4

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.87 AU - 1.14 AU

Year: 690 Days

Day: 6.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,102,823 km

• M1: 179,069 km (0.09 R)
• M2: 665,411 km (0.106 R)
• M3: 1,179,430 km (0.054 R)
• M4: 1,811,929 km (0.104 R)
• M5: 2,430,517 km (0.079 R)
• M6: 3,342,166 km (0.069 R)
• M7: 3,820,730 km (0.116 R)
• M8: 4,360,778 km (0.098 R)
• M9: 4,849,813 km (0.097 R)
• M10: 5,521,957 km (0.088 R)
• M11: 6,316,321 km (0.111 R)
• M12: 7,342,114 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.8

Radius: 13.1

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.87 AU - 1.25 AU

Year: 753 Days

Day: 12.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,102,823 km

• M1: 167,101 km (0.036 R)
• M2: 597,793 km (0.107 R)
• M3: 1,103,135 km (0.109 R)
• M4: 1,531,433 km (0.089 R)
• M5: 1,988,604 km (0.098 R)
• M6: 2,608,239 km (0.07 R)
• M7: 3,117,470 km (0.087 R)
• M8: 3,692,973 km (0.095 R)
• M9: 4,195,323 km (0.116 R)
• M10: 4,697,074 km (0.086 R)
• M11: 5,205,707 km (0.101 R)
• M12: 6,582,306 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.2

Radius: 12.4

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.83 AU - 1.35 AU

Year: 786 Days

Day: 6.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,102,823 km

• M1: 154,235 km (0.063 R)
• M2: 669,301 km (0.036 R)
• M3: 1,144,873 km (0.101 R)
• M4: 2,003,863 km (0.048 R)
• M5: 3,091,290 km (0.118 R)
• M6: 3,714,366 km (0.104 R)
• M7: 4,405,358 km (0.099 R)
• M8: 4,875,544 km (0.026 R)
• M9: 5,705,064 km (0.068 R)
• M10: 6,265,159 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.7

Radius: 14.9

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.18 AU - 1.48 AU

Year: 1059 Days

Day: 9.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,102,823 km

• M1: 185,352 km (0.1 R)
• M2: 668,104 km (0.091 R)
• M3: 1,251,685 km (0.083 R)
• M4: 1,787,395 km (0.117 R)
• M5: 2,297,973 km (0.09 R)
• M6: 3,133,178 km (0.09 R)
• M7: 3,637,921 km (0.045 R)
• M8: 4,454,426 km (0.095 R)
• M9: 6,408,922 km (0.106 R)
• M10: 7,205,381 km (0.087 R)
• M11: 9,815,116 km (0.087 R)
• M12: 10,429,664 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253

Radius: 12.9

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.47 AU - 1.55 AU

Year: 1281 Days

Day: 6.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 77,102,823 km

• M1: 163,211 km (0.096 R)
• M2: 1,194,539 km (0.086 R)
• M3: 1,774,231 km (0.059 R)
• M4: 2,254,590 km (0.103 R)
• M5: 3,538,738 km (0.1 R)
• M6: 4,015,805 km (0.095 R)
• M7: 6,392,915 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 606.4

Radius: 5.6

Gravity: 19.34 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.82 AU - 6.38 AU

Year: 10399 Days

Day: 23.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,102,823 km

• M1: 74,500 km (0.103 R)
• M2: 285,433 km (0.087 R)
• M3: 494,122 km (0.114 R)
• M4: 1,973,196 km (0.069 R)
• M5: 2,998,989 km (0.115 R)
• M6: 3,614,733 km (0.114 R)
• M7: 7,790,160 km (0.073 R)
• M8: 9,708,603 km (0.117 R)
• M9: 10,157,247 km (0.073 R)
• M10: 11,257,838 km (0.113 R)
• M11: 11,476,101 km (0.075 R)
• M12: 12,845,820 km (0.102 R)
• M13: 15,033,389 km (0.103 R)
• M14: 20,859,030 km (0.088 R)
• M15: 26,847,582 km (0.073 R)
• M16: 28,228,969 km (0.103 R)
• M17: 28,733,562 km (0.11 R)
• M18: 29,347,063 km (0.094 R)
• M19: 34,458,224 km (0.119 R)
• M20: 46,537,803 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 832

Radius: 7.4

Gravity: 15.19 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 6.54 AU - 7.84 AU

Year: 13308 Days

Day: 21.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,102,823 km

• M1: 92,451 km (0.113 R)
• M2: 345,122 km (0.052 R)
• M3: 814,710 km (0.1 R)
• M4: 1,153,100 km (0.116 R)
• M5: 1,492,388 km (0.083 R)
• M6: 2,173,956 km (0.072 R)
• M7: 3,171,026 km (0.118 R)
• M8: 3,813,549 km (0.088 R)
• M9: 4,319,040 km (0.077 R)
• M10: 5,647,320 km (0.107 R)
• M11: 6,797,428 km (0.108 R)
• M12: 7,184,139 km (0.12 R)
• M13: 7,768,617 km (0.104 R)
• M14: 8,096,237 km (0.105 R)
• M15: 9,766,647 km (0.047 R)
• M16: 10,203,921 km (0.037 R)
• M17: 12,652,390 km (0.069 R)
• M18: 12,975,521 km (0.107 R)
• M19: 15,762,380 km (0.03 R)
• M20: 17,295,159 km (0.104 R)
• M21: 18,674,003 km (0.037 R)
• M22: 22,111,463 km (0.096 R)
• M23: 26,052,469 km (0.112 R)
• M24: 26,999,573 km (0.091 R)
• M25: 30,553,420 km (0.103 R)
• M26: 31,962,632 km (0.111 R)
• M27: 35,037,018 km (0.084 R)
• M28: 36,319,969 km (0.041 R)
• M29: 37,368,800 km (0.099 R)
• M30: 38,572,614 km (0.045 R)
• M31: 44,832,088 km (0.087 R)
• M32: 46,038,446 km (0.1 R)
• M33: 49,627,298 km (0.099 R)
• M34: 51,244,302 km (0.058 R)
• M35: 52,065,744 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 603.8

Radius: 3

Gravity: 67.09 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 7.6 AU - 12.34 AU

Year: 21730 Days

Day: 20.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 77,102,823 km

• M1: 43,832 km (0.078 R)
• M2: 335,548 km (0.033 R)
• M3: 501,901 km (0.032 R)
• M4: 600,037 km (0.061 R)
• M5: 771,626 km (0.097 R)
• M6: 891,903 km (0.117 R)
• M7: 1,143,077 km (0.059 R)
• M8: 2,377,858 km (0.067 R)
• M9: 2,908,781 km (0.1 R)
• M10: 4,932,541 km (0.056 R)
• M11: 5,387,767 km (0.048 R)
• M12: 5,545,443 km (0.115 R)
• M13: 13,789,932 km (0.104 R)
• M14: 15,865,004 km (0.083 R)
• M15: 16,026,420 km (0.069 R)
• M16: 22,598,554 km (0.115 R)
• M17: 26,132,354 km (0.099 R)
• M18: 32,419,504 km (0.108 R)
• M19: 39,052,674 km (0.103 R)
• M20: 40,690,471 km (0.109 R)
• M21: 44,102,350 km (0.117 R)
• M22: 47,365,229 km (0.12 R)
• M23: 56,405,578 km (0.109 R)
• M24: 69,075,770 km (0.092 R)
• M25: 73,911,222 km (0.065 R)
• M26: 75,040,686 km (0.096 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 12,812 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit