🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.59 AU - 0.67 AU

Year: 328 Days

Day: 26.6 Hours

Environment

Temp: -121 °C

Axial Tilt: 7.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 88,182,606 km

• M1: 35,455 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.4

Radius: 9.1

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.61 AU - 0.83 AU

Year: 401 Days

Day: 11 Hours

Environment

Temp: -143 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 88,182,606 km

• M1: 113,096 km (0.084 R)
• M2: 406,158 km (0.088 R)
• M3: 962,363 km (0.063 R)
• M4: 1,301,053 km (0.083 R)
• M5: 1,705,865 km (0.093 R)
• M6: 2,128,927 km (0.056 R)
• M7: 2,511,150 km (0.099 R)
• M8: 3,102,660 km (0.067 R)
• M9: 3,561,776 km (0.08 R)
• M10: 4,028,222 km (0.101 R)
• M11: 4,561,987 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.2

Radius: 8.9

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.72 AU - 0.9 AU

Year: 478 Days

Day: 12 Hours

Environment

Temp: -147 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 88,182,606 km

• M1: 118,033 km (0.115 R)
• M2: 433,983 km (0.088 R)
• M3: 1,441,525 km (0.115 R)
• M4: 1,822,401 km (0.103 R)
• M5: 2,637,261 km (0.047 R)
• M6: 3,211,866 km (0.109 R)
• M7: 3,639,567 km (0.049 R)
• M8: 4,268,626 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.6

Radius: 11.8

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.97 AU - 3.55 AU

Year: 3861 Days

Day: 12 Hours

Environment

Temp: -207 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 88,182,606 km

• M1: 154,684 km (0.099 R)
• M2: 563,834 km (0.061 R)
• M3: 1,238,820 km (0.12 R)
• M4: 1,778,419 km (0.088 R)
• M5: 4,357,038 km (0.094 R)
• M6: 5,130,609 km (0.101 R)
• M7: 5,664,972 km (0.059 R)
• M8: 7,355,877 km (0.045 R)
• M9: 8,183,602 km (0.1 R)
• M10: 9,889,317 km (0.114 R)
• M11: 12,127,002 km (0.099 R)
• M12: 13,907,216 km (0.119 R)
• M13: 14,904,137 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.4

Radius: 8.6

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.44 AU - 4.82 AU

Year: 5506 Days

Day: 15 Hours

Environment

Temp: -202 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,182,606 km

• M1: 106,962 km (0.087 R)
• M2: 729,589 km (0.074 R)
• M3: 2,274,336 km (0.104 R)
• M4: 2,699,194 km (0.077 R)
• M5: 3,470,671 km (0.091 R)
• M6: 4,278,050 km (0.094 R)
• M7: 6,422,087 km (0.086 R)
• M8: 9,302,145 km (0.12 R)
• M9: 11,439,600 km (0.084 R)
• M10: 17,233,974 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919.5

Radius: 11.7

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.42 AU - 6.7 AU

Year: 8600 Days

Day: 12.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 88,182,606 km

• M1: 149,299 km (0.118 R)
• M2: 1,083,837 km (0.068 R)
• M3: 1,471,744 km (0.082 R)
• M4: 2,444,728 km (0.112 R)
• M5: 3,289,059 km (0.096 R)
• M6: 3,677,564 km (0.052 R)
• M7: 4,665,808 km (0.091 R)
• M8: 6,140,544 km (0.086 R)
• M9: 7,283,322 km (0.112 R)
• M10: 10,442,979 km (0.115 R)
• M11: 11,673,122 km (0.105 R)
• M12: 12,237,255 km (0.068 R)
• M13: 13,976,480 km (0.092 R)
• M14: 15,135,565 km (0.108 R)
• M15: 17,353,054 km (0.108 R)
• M16: 17,939,627 km (0.059 R)
• M17: 19,307,849 km (0.094 R)
• M18: 20,908,247 km (0.117 R)
• M19: 21,656,685 km (0.104 R)
• M20: 22,509,094 km (0.102 R)
• M21: 24,371,737 km (0.079 R)
• M22: 27,404,684 km (0.117 R)
• M23: 32,192,714 km (0.083 R)
• M24: 33,190,681 km (0.098 R)
• M25: 33,867,312 km (0.057 R)
• M26: 35,131,714 km (0.113 R)
• M27: 36,189,520 km (0.073 R)
• M28: 39,742,470 km (0.061 R)
• M29: 42,192,434 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 931.2

Radius: 3.9

Gravity: 61.22 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 7.9 AU - 12.52 AU

Year: 21402 Days

Day: 20 Hours

Environment

Temp: -222 °C

Axial Tilt: 149.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 88,182,606 km

• M1: 156,479 km (0.064 R)
• M2: 451,636 km (0.036 R)
• M3: 1,012,778 km (0.03 R)
• M4: 1,192,295 km (0.074 R)
• M5: 1,409,212 km (0.072 R)
• M6: 1,962,574 km (0.064 R)
• M7: 2,404,337 km (0.103 R)
• M8: 2,725,224 km (0.113 R)
• M9: 3,482,040 km (0.086 R)
• M10: 3,925,299 km (0.063 R)
• M11: 4,405,059 km (0.066 R)
• M12: 5,156,788 km (0.086 R)
• M13: 5,689,057 km (0.055 R)
• M14: 6,958,395 km (0.086 R)
• M15: 7,203,437 km (0.106 R)
• M16: 8,295,800 km (0.094 R)
• M17: 9,493,930 km (0.045 R)
• M18: 11,808,508 km (0.101 R)
• M19: 12,086,760 km (0.101 R)
• M20: 13,544,442 km (0.108 R)
• M21: 14,237,080 km (0.113 R)
• M22: 19,662,247 km (0.095 R)
• M23: 24,364,257 km (0.116 R)
• M24: 25,966,899 km (0.057 R)
• M25: 28,376,472 km (0.113 R)
• M26: 30,149,057 km (0.113 R)
• M27: 31,592,677 km (0.108 R)
• M28: 32,807,561 km (0.111 R)
• M29: 34,616,798 km (0.106 R)
• M30: 37,828,215 km (0.11 R)
• M31: 46,368,010 km (0.118 R)
• M32: 51,728,251 km (0.105 R)
• M33: 63,870,811 km (0.12 R)
• M34: 73,485,167 km (0.051 R)
• M35: 73,719,587 km (0.082 R)
• M36: 84,789,829 km (0.094 R)
• M37: 85,047,736 km (0.07 R)
• M38: 85,306,091 km (0.042 R)
• M39: 86,344,749 km (0.109 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: 331 - 11,613 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit