🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.1

Radius: 8.7

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.52 AU - 0.56 AU

Year: 274 Days

Day: 12.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,965,299 km

• M1: 108,159 km (0.101 R)
• M2: 485,295 km (0.066 R)
• M3: 772,224 km (0.077 R)
• M4: 1,186,760 km (0.092 R)
• M5: 1,792,482 km (0.035 R)
• M6: 2,201,033 km (0.1 R)
• M7: 2,512,795 km (0.056 R)
• M8: 2,798,228 km (0.105 R)
• M9: 3,246,723 km (0.093 R)
• M10: 3,564,618 km (0.1 R)
• M11: 3,903,308 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.9

Radius: 13.4

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.61 AU - 0.71 AU

Year: 370 Days

Day: 7.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 145.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,965,299 km

• M1: 166,652 km (0.058 R)
• M2: 615,745 km (0.108 R)
• M3: 1,052,870 km (0.082 R)
• M4: 1,946,567 km (0.097 R)
• M5: 2,757,089 km (0.101 R)
• M6: 3,396,919 km (0.048 R)
• M7: 4,248,131 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.4

Radius: 13.4

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.01 AU - 1.27 AU

Year: 840 Days

Day: 9.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,965,299 km

• M1: 166,652 km (0.103 R)
• M2: 587,172 km (0.098 R)
• M3: 1,046,736 km (0.101 R)
• M4: 1,487,003 km (0.079 R)
• M5: 2,245,913 km (0.031 R)
• M6: 2,800,173 km (0.102 R)
• M7: 3,237,448 km (0.104 R)
• M8: 3,780,787 km (0.028 R)
• M9: 4,640,376 km (0.029 R)
• M10: 5,238,917 km (0.09 R)
• M11: 5,706,261 km (0.109 R)
• M12: 6,416,253 km (0.114 R)
• M13: 7,421,700 km (0.071 R)
• M14: 8,503,143 km (0.109 R)
• M15: 9,318,152 km (0.092 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.2

Radius: 7.4

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 5.47 AU - 6.03 AU

Year: 9517 Days

Day: 19.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,965,299 km

• M1: 92,003 km (0.119 R)
• M2: 371,152 km (0.059 R)
• M3: 617,690 km (0.111 R)
• M4: 855,999 km (0.081 R)
• M5: 1,669,512 km (0.096 R)
• M6: 2,342,703 km (0.118 R)
• M7: 3,562,823 km (0.096 R)
• M8: 4,296,750 km (0.076 R)
• M9: 5,002,852 km (0.082 R)
• M10: 6,494,343 km (0.088 R)
• M11: 9,022,098 km (0.11 R)
• M12: 9,301,696 km (0.068 R)
• M13: 9,538,959 km (0.111 R)
• M14: 10,225,164 km (0.069 R)
• M15: 11,640,958 km (0.099 R)
• M16: 12,028,267 km (0.073 R)
• M17: 13,542,946 km (0.093 R)
• M18: 16,183,198 km (0.104 R)
• M19: 22,541,706 km (0.088 R)
• M20: 27,662,142 km (0.105 R)
• M21: 30,075,754 km (0.115 R)
• M22: 33,285,825 km (0.066 R)
• M23: 37,550,262 km (0.114 R)
• M24: 39,626,232 km (0.057 R)
• M25: 43,210,447 km (0.061 R)
• M26: 45,352,689 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 153.3

Radius: 4

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.93 AU - 6.87 AU

Year: 11176 Days

Day: 23.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 106.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,965,299 km

• M1: 51,162 km (0.074 R)
• M2: 373,995 km (0.1 R)
• M3: 714,779 km (0.118 R)
• M4: 1,009,187 km (0.108 R)
• M5: 2,159,296 km (0.105 R)
• M6: 3,115,376 km (0.103 R)
• M7: 3,663,801 km (0.098 R)
• M8: 5,312,669 km (0.066 R)
• M9: 8,722,453 km (0.096 R)
• M10: 11,487,321 km (0.079 R)
• M11: 14,558,715 km (0.119 R)
• M12: 23,242,872 km (0.079 R)
• M13: 28,168,531 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.8

Radius: 4.8

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 8.07 AU - 11.33 AU

Year: 20853 Days

Day: 23.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 53,965,299 km

• M1: 59,690 km (0.105 R)
• M2: 214,075 km (0.117 R)
• M3: 417,827 km (0.104 R)
• M4: 750,383 km (0.07 R)
• M5: 1,097,300 km (0.044 R)
• M6: 1,559,259 km (0.11 R)
• M7: 1,712,596 km (0.099 R)
• M8: 2,141,194 km (0.113 R)
• M9: 2,410,770 km (0.093 R)
• M10: 3,720,798 km (0.102 R)
• M11: 4,227,037 km (0.105 R)
• M12: 4,558,247 km (0.089 R)
• M13: 5,137,340 km (0.07 R)
• M14: 8,222,049 km (0.114 R)
• M15: 10,148,121 km (0.106 R)
• M16: 11,357,470 km (0.045 R)
• M17: 11,529,508 km (0.084 R)
• M18: 12,476,612 km (0.036 R)
• M19: 12,844,772 km (0.032 R)
• M20: 15,346,946 km (0.047 R)
• M21: 18,312,575 km (0.111 R)
• M22: 20,943,851 km (0.058 R)
• M23: 21,463,704 km (0.115 R)
• M24: 22,529,290 km (0.075 R)
• M25: 24,861,670 km (0.066 R)
• M26: 25,739,211 km (0.109 R)
• M27: 29,348,709 km (0.036 R)
• M28: 30,218,620 km (0.069 R)
• M29: 30,438,679 km (0.094 R)
• M30: 30,770,936 km (0.035 R)
• M31: 31,555,576 km (0.1 R)
• M32: 33,870,454 km (0.098 R)
• M33: 38,061,438 km (0.112 R)
• M34: 45,695,717 km (0.112 R)
• M35: 46,716,273 km (0.118 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: 409 - 18,616 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit