🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.4

Radius: 10

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.08 AU - 1.38 AU

Year: 867 Days

Day: 7.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,529,658 km

• M1: 124,465 km (0.098 R)
• M2: 524,490 km (0.083 R)
• M3: 1,059,901 km (0.077 R)
• M4: 1,375,552 km (0.096 R)
• M5: 1,819,708 km (0.116 R)
• M6: 2,358,261 km (0.083 R)
• M7: 2,863,004 km (0.041 R)
• M8: 3,337,678 km (0.066 R)
• M9: 3,727,530 km (0.108 R)
• M10: 4,250,375 km (0.063 R)
• M11: 5,000,758 km (0.081 R)
• M12: 6,327,392 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.4

Radius: 9.7

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.37 AU - 2.15 AU

Year: 1485 Days

Day: 6.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,529,658 km

• M1: 120,725 km (0.054 R)
• M2: 423,212 km (0.065 R)
• M3: 737,667 km (0.103 R)
• M4: 1,159,683 km (0.086 R)
• M5: 1,574,368 km (0.107 R)
• M6: 2,277,478 km (0.096 R)
• M7: 2,991,509 km (0.115 R)
• M8: 3,431,626 km (0.06 R)
• M9: 4,610,008 km (0.069 R)
• M10: 5,137,939 km (0.058 R)
• M11: 5,971,498 km (0.103 R)
• M12: 6,479,981 km (0.084 R)
• M13: 7,426,188 km (0.084 R)
• M14: 8,069,608 km (0.076 R)
• M15: 8,662,764 km (0.105 R)
• M16: 9,133,848 km (0.1 R)
• M17: 10,717,341 km (0.102 R)
• M18: 11,929,682 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.9

Radius: 14.3

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.49 AU - 2.05 AU

Year: 1497 Days

Day: 9.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,529,658 km

• M1: 177,872 km (0.118 R)
• M2: 845,826 km (0.113 R)
• M3: 1,439,880 km (0.107 R)
• M4: 2,683,935 km (0.065 R)
• M5: 3,155,169 km (0.116 R)
• M6: 3,698,059 km (0.087 R)
• M7: 4,197,866 km (0.065 R)
• M8: 4,648,754 km (0.103 R)
• M9: 6,740,880 km (0.105 R)
• M10: 8,437,470 km (0.046 R)
• M11: 8,895,688 km (0.07 R)
• M12: 9,461,467 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.3

Radius: 9.3

Gravity: 11.48 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.99 AU - 2.65 AU

Year: 2247 Days

Day: 11.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,529,658 km

• M1: 116,836 km (0.104 R)
• M2: 434,731 km (0.098 R)
• M3: 851,810 km (0.079 R)
• M4: 1,289,085 km (0.065 R)
• M5: 1,767,948 km (0.099 R)
• M6: 2,252,196 km (0.099 R)
• M7: 2,698,446 km (0.114 R)
• M8: 3,237,448 km (0.12 R)
• M9: 3,768,819 km (0.104 R)
• M10: 4,127,256 km (0.058 R)
• M11: 5,514,926 km (0.084 R)
• M12: 6,111,522 km (0.049 R)
• M13: 6,439,440 km (0.12 R)
• M14: 7,463,887 km (0.099 R)
• M15: 8,259,747 km (0.051 R)
• M16: 9,907,418 km (0.097 R)
• M17: 10,987,216 km (0.07 R)
• M18: 15,039,672 km (0.07 R)
• M19: 16,992,822 km (0.064 R)
• M20: 17,643,274 km (0.104 R)
• M21: 18,197,983 km (0.115 R)
• M22: 18,707,064 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 200.3

Radius: 14.5

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 4.77 AU - 5.99 AU

Year: 7934 Days

Day: 9 Hours

Environment

Temp: -213 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,529,658 km

• M1: 180,415 km (0.064 R)
• M2: 794,215 km (0.064 R)
• M3: 1,321,847 km (0.031 R)
• M4: 1,900,940 km (0.077 R)
• M5: 2,394,613 km (0.042 R)
• M6: 2,921,347 km (0.028 R)
• M7: 4,122,319 km (0.095 R)
• M8: 5,249,539 km (0.086 R)
• M9: 5,885,928 km (0.09 R)
• M10: 8,962,857 km (0.062 R)
• M11: 9,471,041 km (0.117 R)
• M12: 10,847,940 km (0.107 R)
• M13: 12,450,133 km (0.055 R)
• M14: 13,133,347 km (0.047 R)
• M15: 14,628,577 km (0.104 R)
• M16: 15,892,979 km (0.059 R)
• M17: 20,659,316 km (0.068 R)
• M18: 21,203,553 km (0.059 R)
• M19: 22,108,471 km (0.068 R)
• M20: 25,362,973 km (0.109 R)
• M21: 27,104,591 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717.1

Radius: 6

Gravity: 19.92 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.57 AU - 7.75 AU

Year: 12182 Days

Day: 22.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 60,529,658 km

• M1: 77,641 km (0.108 R)
• M2: 269,276 km (0.074 R)
• M3: 633,248 km (0.09 R)
• M4: 983,157 km (0.057 R)
• M5: 1,252,882 km (0.086 R)
• M6: 1,823,897 km (0.075 R)
• M7: 2,158,847 km (0.1 R)
• M8: 3,414,123 km (0.029 R)
• M9: 4,482,401 km (0.052 R)
• M10: 4,927,155 km (0.081 R)
• M11: 5,262,404 km (0.097 R)
• M12: 5,684,719 km (0.037 R)
• M13: 6,205,768 km (0.108 R)
• M14: 7,691,275 km (0.097 R)
• M15: 7,960,103 km (0.117 R)
• M16: 10,287,546 km (0.068 R)
• M17: 10,779,873 km (0.078 R)
• M18: 11,518,587 km (0.082 R)
• M19: 11,870,741 km (0.061 R)
• M20: 13,223,405 km (0.097 R)
• M21: 13,739,816 km (0.108 R)
• M22: 14,675,850 km (0.099 R)
• M23: 15,940,700 km (0.098 R)
• M24: 19,171,715 km (0.053 R)
• M25: 22,722,421 km (0.095 R)
• M26: 24,894,432 km (0.113 R)
• M27: 26,687,961 km (0.072 R)
• M28: 28,141,155 km (0.094 R)
• M29: 28,565,863 km (0.056 R)
• M30: 30,196,629 km (0.08 R)
• M31: 30,418,782 km (0.076 R)
• M32: 32,350,240 km (0.096 R)
• M33: 37,597,685 km (0.057 R)
• M34: 42,683,564 km (0.047 R)
• M35: 46,268,377 km (0.081 R)
• M36: 51,143,024 km (0.088 R)
• M37: 51,934,397 km (0.04 R)
• M38: 52,733,848 km (0.118 R)
• M39: 53,217,498 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 694.7

Radius: 7.1

Gravity: 13.78 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 6.76 AU - 9.02 AU

Year: 14091 Days

Day: 19.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,529,658 km

• M1: 88,712 km (0.072 R)
• M2: 331,210 km (0.053 R)
• M3: 842,984 km (0.081 R)
• M4: 1,225,805 km (0.104 R)
• M5: 2,506,064 km (0.06 R)
• M6: 2,908,183 km (0.11 R)
• M7: 4,315,300 km (0.119 R)
• M8: 6,525,160 km (0.082 R)
• M9: 6,941,192 km (0.07 R)
• M10: 7,419,007 km (0.074 R)
• M11: 9,086,575 km (0.043 R)
• M12: 22,742,018 km (0.096 R)
• M13: 24,382,508 km (0.101 R)
• M14: 30,572,419 km (0.107 R)
• M15: 34,898,341 km (0.032 R)
• M16: 37,865,764 km (0.039 R)
• M17: 42,697,626 km (0.049 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 387 - 14,623 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit