🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.42 AU - 0.64 AU

Year: 249 Days

Day: 14.8 Hours

Environment

Temp: -111 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.5

Radius: 14.8

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.84 AU - 1.26 AU

Year: 695 Days

Day: 13.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,613,090 km

• M1: 184,155 km (0.1 R)
• M2: 697,276 km (0.102 R)
• M3: 1,177,784 km (0.063 R)
• M4: 1,718,880 km (0.114 R)
• M5: 2,237,835 km (0.093 R)
• M6: 2,862,406 km (0.115 R)
• M7: 3,667,242 km (0.091 R)
• M8: 4,363,022 km (0.102 R)
• M9: 5,129,113 km (0.099 R)
• M10: 5,765,951 km (0.055 R)
• M11: 6,244,664 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.8

Radius: 10.8

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.94 AU - 1.3 AU

Year: 765 Days

Day: 8.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,613,090 km

• M1: 140,323 km (0.119 R)
• M2: 485,146 km (0.099 R)
• M3: 917,633 km (0.064 R)
• M4: 1,469,799 km (0.096 R)
• M5: 1,836,613 km (0.11 R)
• M6: 2,748,562 km (0.106 R)
• M7: 3,804,723 km (0.087 R)
• M8: 4,153,884 km (0.08 R)
• M9: 4,541,043 km (0.107 R)
• M10: 5,501,312 km (0.088 R)
• M11: 7,075,530 km (0.062 R)
• M12: 8,015,604 km (0.085 R)
• M13: 8,567,021 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415

Radius: 8.6

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.13 AU - 1.65 AU

Year: 1058 Days

Day: 7.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,613,090 km

• M1: 106,962 km (0.068 R)
• M2: 395,238 km (0.12 R)
• M3: 724,951 km (0.095 R)
• M4: 1,142,629 km (0.12 R)
• M5: 2,072,978 km (0.099 R)
• M6: 2,348,986 km (0.096 R)
• M7: 2,684,833 km (0.11 R)
• M8: 3,130,036 km (0.097 R)
• M9: 3,467,679 km (0.111 R)
• M10: 4,511,124 km (0.037 R)
• M11: 4,943,162 km (0.114 R)
• M12: 5,478,573 km (0.07 R)
• M13: 6,280,119 km (0.091 R)
• M14: 6,621,800 km (0.064 R)
• M15: 7,722,092 km (0.11 R)
• M16: 8,993,076 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.8

Radius: 13.5

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3.78 AU - 4.4 AU

Year: 5341 Days

Day: 14.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,613,090 km

• M1: 214,075 km (0.117 R)
• M2: 900,280 km (0.112 R)
• M3: 1,738,178 km (0.104 R)
• M4: 3,253,604 km (0.053 R)
• M5: 4,115,138 km (0.109 R)
• M6: 5,046,535 km (0.107 R)
• M7: 5,549,034 km (0.098 R)
• M8: 6,624,194 km (0.047 R)
• M9: 7,260,882 km (0.098 R)
• M10: 7,765,027 km (0.095 R)
• M11: 8,292,360 km (0.107 R)
• M12: 8,881,177 km (0.096 R)
• M13: 9,302,145 km (0.036 R)
• M14: 10,518,525 km (0.079 R)
• M15: 11,077,573 km (0.115 R)
• M16: 12,443,551 km (0.111 R)
• M17: 16,748,529 km (0.098 R)
• M18: 17,811,571 km (0.109 R)
• M19: 18,237,028 km (0.028 R)
• M20: 22,236,826 km (0.051 R)
• M21: 23,159,097 km (0.087 R)
• M22: 24,702,797 km (0.061 R)
• M23: 25,692,238 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634.9

Radius: 4.9

Gravity: 26.44 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 6.04 AU - 10.04 AU

Year: 14720 Days

Day: 23.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 66,613,090 km

• M1: 61,186 km (0.101 R)
• M2: 529,876 km (0.074 R)
• M3: 1,444,816 km (0.088 R)
• M4: 1,611,917 km (0.078 R)
• M5: 2,352,576 km (0.045 R)
• M6: 2,563,360 km (0.084 R)
• M7: 3,047,159 km (0.076 R)
• M8: 3,323,915 km (0.054 R)
• M9: 3,672,179 km (0.117 R)
• M10: 4,316,796 km (0.038 R)
• M11: 4,473,276 km (0.094 R)
• M12: 4,665,958 km (0.079 R)
• M13: 5,789,288 km (0.086 R)
• M14: 6,868,188 km (0.1 R)
• M15: 8,802,937 km (0.112 R)
• M16: 9,055,159 km (0.054 R)
• M17: 12,915,532 km (0.115 R)
• M18: 13,373,002 km (0.12 R)
• M19: 14,182,327 km (0.11 R)
• M20: 17,115,642 km (0.085 R)
• M21: 18,476,235 km (0.09 R)
• M22: 25,649,901 km (0.117 R)
• M23: 26,060,996 km (0.095 R)
• M24: 26,580,998 km (0.076 R)
• M25: 33,737,910 km (0.091 R)
• M26: 35,613,120 km (0.117 R)
• M27: 36,901,008 km (0.081 R)
• M28: 39,980,629 km (0.076 R)
• M29: 45,586,810 km (0.12 R)
• M30: 48,186,073 km (0.041 R)
• M31: 50,079,383 km (0.095 R)
• M32: 57,095,823 km (0.1 R)
• M33: 57,270,403 km (0.12 R)
• M34: 57,445,283 km (0.066 R)
• M35: 58,502,491 km (0.09 R)
• M36: 59,214,577 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 832.9

Radius: 7.4

Gravity: 15.21 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 6.57 AU - 9.61 AU

Year: 14857 Days

Day: 23.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 66,613,090 km

• M1: 92,451 km (0.08 R)
• M2: 473,477 km (0.091 R)
• M3: 708,047 km (0.102 R)
• M4: 944,411 km (0.118 R)
• M5: 1,583,793 km (0.118 R)
• M6: 2,211,057 km (0.09 R)
• M7: 2,638,009 km (0.085 R)
• M8: 3,247,620 km (0.084 R)
• M9: 4,576,797 km (0.115 R)
• M10: 5,797,217 km (0.084 R)
• M11: 6,358,059 km (0.115 R)
• M12: 7,176,210 km (0.073 R)
• M13: 7,541,079 km (0.108 R)
• M14: 7,822,772 km (0.102 R)
• M15: 8,160,265 km (0.085 R)
• M16: 9,337,899 km (0.054 R)
• M17: 14,246,056 km (0.047 R)
• M18: 14,749,901 km (0.12 R)
• M19: 15,265,416 km (0.098 R)
• M20: 15,641,056 km (0.051 R)
• M21: 21,661,024 km (0.119 R)
• M22: 22,135,399 km (0.097 R)
• M23: 22,811,132 km (0.06 R)
• M24: 23,900,653 km (0.08 R)
• M25: 25,232,523 km (0.079 R)
• M26: 26,076,405 km (0.062 R)
• M27: 40,656,513 km (0.103 R)
• M28: 42,698,972 km (0.055 R)
• M29: 45,424,197 km (0.062 R)
• M30: 49,072,440 km (0.109 R)
• M31: 53,254,299 km (0.112 R)
• M32: 59,684,314 km (0.084 R)
• M33: 62,127,846 km (0.082 R)
• M34: 66,016,194 km (0.04 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 283 - 18,229 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit