🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.44 AU - 0.66 AU

Year: 177 Days

Day: 42.1 Hours

Environment

Temp: 23 °C

Axial Tilt: 36.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.27 AU - 2.01 AU

Year: 910 Days

Day: 40 Hours

Environment

Temp: -108 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.71 AU - 2.27 AU

Year: 1217 Days

Day: 19.1 Hours

Environment

Temp: -107 °C

Axial Tilt: 35.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,771,299 km

• M1: 1,599,650 km (0.068 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.9

Radius: 8.5

Gravity: 13.27 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.35 AU - 3.67 AU

Year: 2264 Days

Day: 12.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,771,299 km

• M1: 105,766 km (0.086 R)
• M2: 487,091 km (0.055 R)
• M3: 926,310 km (0.116 R)
• M4: 1,280,857 km (0.057 R)
• M5: 1,971,700 km (0.118 R)
• M6: 2,282,864 km (0.102 R)
• M7: 2,611,829 km (0.11 R)
• M8: 3,005,272 km (0.05 R)
• M9: 3,277,390 km (0.038 R)
• M10: 3,813,250 km (0.075 R)
• M11: 4,236,761 km (0.103 R)
• M12: 5,226,202 km (0.074 R)
• M13: 5,621,738 km (0.092 R)
• M14: 6,010,693 km (0.091 R)
• M15: 6,988,315 km (0.085 R)
• M16: 7,686,189 km (0.065 R)
• M17: 9,079,394 km (0.072 R)
• M18: 9,725,358 km (0.099 R)
• M19: 10,134,957 km (0.068 R)
• M20: 11,433,017 km (0.109 R)
• M21: 14,692,306 km (0.047 R)
• M22: 17,577,899 km (0.108 R)
• M23: 18,241,964 km (0.113 R)
• M24: 18,580,205 km (0.063 R)
• M25: 19,095,570 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.4

Radius: 8

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.39 AU - 4.97 AU

Year: 4389 Days

Day: 10.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,771,299 km

• M1: 101,876 km (0.061 R)
• M2: 390,301 km (0.092 R)
• M3: 675,135 km (0.025 R)
• M4: 988,244 km (0.101 R)
• M5: 1,984,416 km (0.1 R)
• M6: 2,481,978 km (0.104 R)
• M7: 2,995,997 km (0.096 R)
• M8: 4,482,850 km (0.091 R)
• M9: 4,739,709 km (0.064 R)
• M10: 5,245,500 km (0.077 R)
• M11: 5,511,634 km (0.111 R)
• M12: 6,980,536 km (0.101 R)
• M13: 7,349,893 km (0.069 R)
• M14: 8,254,212 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.7

Radius: 13.8

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.62 AU - 6.22 AU

Year: 6244 Days

Day: 10.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 45,771,299 km

• M1: 171,589 km (0.105 R)
• M2: 2,304,106 km (0.086 R)
• M3: 4,511,722 km (0.069 R)
• M4: 5,814,570 km (0.116 R)
• M5: 7,572,345 km (0.103 R)
• M6: 9,091,063 km (0.09 R)
• M7: 9,693,942 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.8

Radius: 12.7

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 6.44 AU - 9.52 AU

Year: 9772 Days

Day: 8.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,771,299 km

• M1: 160,369 km (0.096 R)
• M2: 673,639 km (0.09 R)
• M3: 2,161,390 km (0.096 R)
• M4: 2,663,141 km (0.048 R)
• M5: 6,300,015 km (0.09 R)
• M6: 11,998,647 km (0.104 R)
• M7: 16,602,072 km (0.098 R)
• M8: 22,869,176 km (0.055 R)
• M9: 28,897,372 km (0.1 R)
• M10: 29,614,993 km (0.108 R)
• M11: 32,604,856 km (0.115 R)
• M12: 40,057,223 km (0.085 R)
• M13: 42,773,771 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 357.3

Radius: 7.4

Gravity: 6.52 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 8.68 AU - 11.12 AU

Year: 13502 Days

Day: 19.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,771,299 km

• M1: 254,017 km (0.118 R)
• M2: 527,632 km (0.075 R)
• M3: 1,146,967 km (0.09 R)
• M4: 1,721,871 km (0.08 R)
• M5: 2,417,502 km (0.078 R)
• M6: 2,925,835 km (0.114 R)
• M7: 3,334,387 km (0.099 R)
• M8: 4,701,113 km (0.097 R)
• M9: 6,332,478 km (0.06 R)
• M10: 8,989,037 km (0.061 R)
• M11: 9,704,863 km (0.078 R)
• M12: 11,688,082 km (0.115 R)
• M13: 16,858,633 km (0.047 R)
• M14: 21,236,315 km (0.057 R)
• M15: 23,729,962 km (0.072 R)
• M16: 29,599,285 km (0.049 R)
• M17: 39,919,444 km (0.061 R)
• M18: 43,427,813 km (0.066 R)
• M19: 45,739,250 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.8

Radius: 6.6

Gravity: 6.72 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 11.65 AU - 13.49 AU

Year: 19318 Days

Day: 21.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,771,299 km

• M1: 86,168 km (0.114 R)
• M2: 337,942 km (0.079 R)
• M3: 1,764,357 km (0.051 R)
• M4: 2,378,457 km (0.112 R)
• M5: 3,078,575 km (0.112 R)
• M6: 4,528,477 km (0.063 R)
• M7: 6,037,770 km (0.065 R)
• M8: 7,030,801 km (0.115 R)
• M9: 7,900,114 km (0.113 R)
• M10: 12,713,425 km (0.059 R)
• M11: 17,588,970 km (0.063 R)
• M12: 24,438,159 km (0.082 R)
• M13: 25,021,141 km (0.076 R)
• M14: 25,812,813 km (0.051 R)
• M15: 26,620,941 km (0.054 R)
• M16: 32,874,730 km (0.108 R)
• M17: 33,228,529 km (0.085 R)
• M18: 35,529,045 km (0.081 R)
• M19: 38,846,079 km (0.058 R)
• M20: 39,506,853 km (0.08 R)
• M21: 40,850,840 km (0.095 R)
• M22: 49,870,096 km (0.096 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120

Radius: 3.5

Gravity: 9.8 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 10.94 AU - 16.72 AU

Year: 22294 Days

Day: 17 Hours

Environment

Temp: -210 °C

Axial Tilt: 176 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,771,299 km

• M1: 49,966 km (0.057 R)
• M2: 177,273 km (0.089 R)
• M3: 449,093 km (0.088 R)
• M4: 592,707 km (0.039 R)
• M5: 792,869 km (0.057 R)
• M6: 1,701,825 km (0.113 R)
• M7: 2,714,603 km (0.092 R)
• M8: 4,100,328 km (0.041 R)
• M9: 4,294,356 km (0.06 R)
• M10: 6,038,219 km (0.09 R)
• M11: 11,207,573 km (0.113 R)
• M12: 12,428,441 km (0.098 R)
• M13: 13,735,328 km (0.099 R)
• M14: 16,618,379 km (0.045 R)
• M15: 20,037,737 km (0.097 R)
• M16: 23,456,198 km (0.07 R)
• M17: 29,128,949 km (0.097 R)
• M18: 31,312,031 km (0.065 R)
• M19: 32,607,249 km (0.082 R)
• M20: 38,145,662 km (0.119 R)
• M21: 44,682,640 km (0.05 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 358 - 17,746 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit