🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.42 AU - 0.6 AU

Year: 235 Days

Day: 39.1 Hours

Environment

Temp: -108 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.7

Radius: 12.6

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.76 AU - 0.92 AU

Year: 497 Days

Day: 12.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,118,161 km

• M1: 156,629 km (0.109 R)
• M2: 548,575 km (0.05 R)
• M3: 941,569 km (0.105 R)
• M4: 1,502,262 km (0.088 R)
• M5: 2,097,961 km (0.082 R)
• M6: 2,692,462 km (0.1 R)
• M7: 3,086,054 km (0.108 R)
• M8: 5,209,147 km (0.119 R)
• M9: 5,671,704 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.8

Radius: 14.6

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.74 AU - 1.88 AU

Year: 1572 Days

Day: 8 Hours

Environment

Temp: -175 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,118,161 km

• M1: 182,659 km (0.079 R)
• M2: 733,628 km (0.119 R)
• M3: 1,214,436 km (0.103 R)
• M4: 1,692,850 km (0.093 R)
• M5: 2,943,637 km (0.057 R)
• M6: 3,567,909 km (0.051 R)
• M7: 6,187,518 km (0.062 R)
• M8: 7,828,457 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.3

Radius: 8.5

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.63 AU - 2.69 AU

Year: 2050 Days

Day: 13.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,118,161 km

• M1: 106,364 km (0.101 R)
• M2: 387,458 km (0.114 R)
• M3: 753,076 km (0.047 R)
• M4: 1,092,812 km (0.076 R)
• M5: 1,525,150 km (0.074 R)
• M6: 2,045,152 km (0.104 R)
• M7: 2,462,979 km (0.049 R)
• M8: 3,453,766 km (0.101 R)
• M9: 4,468,638 km (0.071 R)
• M10: 4,792,069 km (0.074 R)
• M11: 5,834,167 km (0.091 R)
• M12: 6,993,551 km (0.056 R)
• M13: 7,347,499 km (0.08 R)
• M14: 7,799,285 km (0.072 R)
• M15: 8,120,621 km (0.113 R)
• M16: 9,429,752 km (0.088 R)
• M17: 10,412,311 km (0.066 R)
• M18: 10,838,216 km (0.066 R)
• M19: 11,128,586 km (0.091 R)
• M20: 12,264,183 km (0.056 R)
• M21: 12,659,271 km (0.099 R)
• M22: 13,392,001 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.7

Radius: 12

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 4.38 AU - 5.32 AU

Year: 6896 Days

Day: 5.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,118,161 km

• M1: 149,299 km (0.093 R)
• M2: 545,135 km (0.05 R)
• M3: 1,383,481 km (0.109 R)
• M4: 2,262,967 km (0.101 R)
• M5: 3,792,755 km (0.113 R)
• M6: 4,240,800 km (0.107 R)
• M7: 5,358,446 km (0.115 R)
• M8: 7,142,102 km (0.117 R)
• M9: 9,674,644 km (0.04 R)
• M10: 10,334,819 km (0.068 R)
• M11: 11,453,512 km (0.071 R)
• M12: 11,893,330 km (0.035 R)
• M13: 12,702,954 km (0.098 R)
• M14: 13,820,898 km (0.119 R)
• M15: 14,602,099 km (0.104 R)
• M16: 15,412,321 km (0.088 R)
• M17: 16,996,263 km (0.081 R)
• M18: 17,440,718 km (0.11 R)
• M19: 18,220,721 km (0.068 R)
• M20: 23,632,275 km (0.104 R)
• M21: 25,817,301 km (0.075 R)
• M22: 32,491,461 km (0.036 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.2

Radius: 12.6

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.99 AU - 6.21 AU

Year: 7437 Days

Day: 10.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,118,161 km

• M1: 157,377 km (0.082 R)
• M2: 662,569 km (0.114 R)
• M3: 1,159,533 km (0.061 R)
• M4: 2,177,696 km (0.091 R)
• M5: 2,689,321 km (0.095 R)
• M6: 5,777,021 km (0.118 R)
• M7: 6,836,623 km (0.118 R)
• M8: 7,375,923 km (0.053 R)
• M9: 8,099,977 km (0.095 R)
• M10: 8,663,213 km (0.037 R)
• M11: 13,203,358 km (0.101 R)
• M12: 18,776,178 km (0.119 R)
• M13: 24,563,372 km (0.115 R)
• M14: 26,700,677 km (0.105 R)
• M15: 28,773,954 km (0.111 R)
• M16: 32,833,441 km (0.115 R)
• M17: 33,238,852 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 651.6

Radius: 6.5

Gravity: 15.42 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 8.8 AU - 9.42 AU

Year: 17754 Days

Day: 22.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 69,118,161 km

• M1: 80,783 km (0.103 R)
• M2: 577,149 km (0.043 R)
• M3: 1,035,217 km (0.039 R)
• M4: 2,516,984 km (0.057 R)
• M5: 3,521,384 km (0.116 R)
• M6: 3,750,718 km (0.102 R)
• M7: 5,646,721 km (0.091 R)
• M8: 6,082,799 km (0.074 R)
• M9: 6,371,822 km (0.087 R)
• M10: 8,866,815 km (0.051 R)
• M11: 12,011,063 km (0.095 R)
• M12: 12,798,846 km (0.09 R)
• M13: 13,902,280 km (0.086 R)
• M14: 14,259,669 km (0.029 R)
• M15: 15,293,091 km (0.116 R)
• M16: 15,520,929 km (0.118 R)
• M17: 22,661,684 km (0.104 R)
• M18: 23,558,224 km (0.116 R)
• M19: 27,830,141 km (0.047 R)
• M20: 32,591,243 km (0.094 R)
• M21: 41,734,515 km (0.101 R)
• M22: 42,628,212 km (0.116 R)
• M23: 43,992,395 km (0.075 R)
• M24: 46,807,827 km (0.113 R)
• M25: 51,083,035 km (0.108 R)
• M26: 52,277,126 km (0.106 R)
• M27: 53,664,197 km (0.059 R)
• M28: 54,367,008 km (0.1 R)
• M29: 58,157,219 km (0.101 R)
• M30: 59,085,025 km (0.074 R)
• M31: 61,543,218 km (0.102 R)
• M32: 63,089,312 km (0.076 R)
• M33: 64,068,729 km (0.085 R)
• M34: 68,293,074 km (0.084 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 291 - 14,053 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit