🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.6 AU - 0.7 AU

Year: 193 Days

Day: 39.5 Hours

Environment

Temp: 131 °C

Axial Tilt: 3.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 1.15 AU - 1.33 AU

Year: 509 Days

Day: 32.6 Hours

Environment

Temp: 12 °C

Axial Tilt: 36.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.49 AU - 2.09 AU

Year: 884 Days

Day: 40.1 Hours

Environment

Temp: -50 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 99,312,792 km

• M1: 211,831 km (0.098 R)

Asteroid Belt

Center: 3.22 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.2

Radius: 10.4

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.09 AU - 5.21 AU

Year: 3700 Days

Day: 8.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 99,312,792 km

• M1: 129,402 km (0.063 R)
• M2: 556,953 km (0.075 R)
• M3: 1,060,350 km (0.101 R)
• M4: 1,493,436 km (0.091 R)
• M5: 1,920,837 km (0.091 R)
• M6: 4,022,537 km (0.084 R)
• M7: 4,415,531 km (0.069 R)
• M8: 5,360,092 km (0.093 R)
• M9: 6,100,900 km (0.085 R)
• M10: 8,324,972 km (0.111 R)
• M11: 9,121,132 km (0.054 R)
• M12: 12,050,258 km (0.095 R)
• M13: 12,625,462 km (0.083 R)
• M14: 13,624,626 km (0.109 R)
• M15: 14,354,963 km (0.105 R)
• M16: 15,111,031 km (0.099 R)
• M17: 15,443,138 km (0.089 R)
• M18: 18,278,317 km (0.119 R)
• M19: 19,231,105 km (0.048 R)
• M20: 20,823,874 km (0.112 R)
• M21: 23,449,167 km (0.061 R)
• M22: 24,119,665 km (0.057 R)
• M23: 25,499,107 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.6

Radius: 13.1

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.83 AU - 6.47 AU

Year: 4955 Days

Day: 12.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 126 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 99,312,792 km

• M1: 162,912 km (0.084 R)
• M2: 741,257 km (0.067 R)
• M3: 1,310,328 km (0.076 R)
• M4: 1,767,798 km (0.084 R)
• M5: 2,256,085 km (0.114 R)
• M6: 3,287,413 km (0.096 R)
• M7: 4,035,403 km (0.117 R)
• M8: 4,511,872 km (0.119 R)
• M9: 5,325,385 km (0.097 R)
• M10: 6,265,458 km (0.06 R)
• M11: 6,874,321 km (0.099 R)
• M12: 7,522,230 km (0.07 R)
• M13: 8,173,280 km (0.094 R)
• M14: 9,099,739 km (0.11 R)
• M15: 10,978,539 km (0.071 R)
• M16: 12,301,583 km (0.048 R)
• M17: 16,787,125 km (0.117 R)
• M18: 18,475,337 km (0.091 R)
• M19: 19,594,927 km (0.1 R)
• M20: 20,205,586 km (0.101 R)
• M21: 20,689,386 km (0.113 R)
• M22: 21,110,204 km (0.106 R)
• M23: 24,842,671 km (0.058 R)
• M24: 27,031,138 km (0.105 R)
• M25: 28,473,112 km (0.082 R)
• M26: 29,169,341 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.1

Radius: 12.3

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 6.86 AU - 7.92 AU

Year: 7412 Days

Day: 10.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 99,312,792 km

• M1: 153,039 km (0.111 R)
• M2: 685,158 km (0.064 R)
• M3: 1,445,265 km (0.043 R)
• M4: 1,870,123 km (0.082 R)
• M5: 2,658,803 km (0.059 R)
• M6: 3,590,349 km (0.115 R)
• M7: 4,231,825 km (0.108 R)
• M8: 4,920,573 km (0.114 R)
• M9: 6,255,585 km (0.072 R)
• M10: 6,901,548 km (0.069 R)
• M11: 8,129,298 km (0.069 R)
• M12: 9,585,035 km (0.116 R)
• M13: 11,703,640 km (0.088 R)
• M14: 13,007,086 km (0.12 R)
• M15: 15,532,897 km (0.099 R)
• M16: 16,087,306 km (0.106 R)
• M17: 18,437,938 km (0.11 R)
• M18: 18,989,954 km (0.051 R)
• M19: 19,910,280 km (0.107 R)
• M20: 23,167,624 km (0.082 R)
• M21: 24,797,343 km (0.072 R)
• M22: 25,216,516 km (0.112 R)
• M23: 30,526,044 km (0.108 R)
• M24: 31,986,119 km (0.09 R)
• M25: 33,288,668 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 939.9

Radius: 4.9

Gravity: 39.15 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 14.05 AU - 18.17 AU

Year: 23857 Days

Day: 21.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 99,312,792 km

• M1: 61,335 km (0.109 R)
• M2: 217,067 km (0.1 R)
• M3: 596,896 km (0.116 R)
• M4: 832,662 km (0.106 R)
• M5: 1,100,741 km (0.088 R)
• M6: 2,626,939 km (0.103 R)
• M7: 3,538,738 km (0.114 R)
• M8: 4,874,946 km (0.071 R)
• M9: 5,873,811 km (0.104 R)
• M10: 6,052,580 km (0.076 R)
• M11: 7,723,140 km (0.12 R)
• M12: 8,379,426 km (0.114 R)
• M13: 8,779,151 km (0.086 R)
• M14: 9,191,443 km (0.111 R)
• M15: 9,678,384 km (0.114 R)
• M16: 10,310,884 km (0.062 R)
• M17: 11,173,764 km (0.071 R)
• M18: 12,155,874 km (0.091 R)
• M19: 12,742,148 km (0.05 R)
• M20: 28,009,808 km (0.11 R)
• M21: 31,417,797 km (0.083 R)
• M22: 31,827,994 km (0.116 R)
• M23: 40,638,262 km (0.075 R)
• M24: 50,381,421 km (0.07 R)
• M25: 51,509,389 km (0.112 R)
• M26: 51,698,930 km (0.08 R)
• M27: 56,189,708 km (0.117 R)
• M28: 56,390,618 km (0.057 R)
• M29: 72,389,811 km (0.099 R)
• M30: 73,344,545 km (0.113 R)
• M31: 79,503,190 km (0.11 R)
• M32: 84,935,537 km (0.076 R)
• M33: 87,068,504 km (0.114 R)
• M34: 88,148,152 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876.5

Radius: 5.2

Gravity: 32.41 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 15.69 AU - 18.75 AU

Year: 26365 Days

Day: 22.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 99,312,792 km

• M1: 64,626 km (0.1 R)
• M2: 263,143 km (0.037 R)
• M3: 518,656 km (0.111 R)
• M4: 703,260 km (0.053 R)
• M5: 2,084,048 km (0.074 R)
• M6: 2,908,332 km (0.109 R)
• M7: 3,316,884 km (0.096 R)
• M8: 5,298,457 km (0.032 R)
• M9: 5,553,671 km (0.055 R)
• M10: 7,417,810 km (0.11 R)
• M11: 7,737,351 km (0.07 R)
• M12: 8,290,564 km (0.058 R)
• M13: 9,048,427 km (0.107 R)
• M14: 9,290,776 km (0.085 R)
• M15: 17,775,817 km (0.079 R)
• M16: 19,529,553 km (0.102 R)
• M17: 20,970,779 km (0.117 R)
• M18: 22,371,314 km (0.11 R)
• M19: 31,134,010 km (0.059 R)
• M20: 34,252,826 km (0.092 R)
• M21: 36,494,849 km (0.093 R)
• M22: 40,445,729 km (0.066 R)
• M23: 41,434,571 km (0.08 R)
• M24: 44,323,755 km (0.077 R)
• M25: 48,258,328 km (0.049 R)
• M26: 56,813,382 km (0.097 R)
• M27: 62,533,705 km (0.119 R)
• M28: 64,970,206 km (0.067 R)
• M29: 71,935,333 km (0.091 R)
• M30: 72,658,040 km (0.085 R)
• M31: 74,363,157 km (0.097 R)
• M32: 76,094,752 km (0.081 R)
• M33: 84,889,162 km (0.115 R)
• M34: 95,782,580 km (0.069 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 13,619 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit