🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.49 AU - 0.51 AU

Year: 232 Days

Day: 36.6 Hours

Environment

Temp: -107 °C

Axial Tilt: 12.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.2

Radius: 11.6

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.83 AU - 0.89 AU

Year: 523 Days

Day: 9.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,438,192 km

• M1: 144,212 km (0.103 R)
• M2: 518,656 km (0.12 R)
• M3: 1,390,811 km (0.114 R)
• M4: 1,973,944 km (0.04 R)
• M5: 2,432,611 km (0.09 R)
• M6: 2,803,165 km (0.055 R)
• M7: 3,248,817 km (0.077 R)
• M8: 3,949,533 km (0.077 R)
• M9: 5,060,148 km (0.065 R)
• M10: 5,927,965 km (0.116 R)
• M11: 6,309,589 km (0.052 R)
• M12: 6,707,669 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278

Radius: 11.8

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.11 AU - 1.65 AU

Year: 1063 Days

Day: 10.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,438,192 km

• M1: 146,756 km (0.115 R)
• M2: 614,099 km (0.074 R)
• M3: 995,424 km (0.06 R)
• M4: 1,579,604 km (0.109 R)
• M5: 2,206,120 km (0.076 R)
• M6: 2,840,265 km (0.11 R)
• M7: 4,150,144 km (0.101 R)
• M8: 5,420,978 km (0.083 R)
• M9: 6,235,389 km (0.077 R)
• M10: 7,195,209 km (0.116 R)
• M11: 7,965,937 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.8

Radius: 14.9

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.21 AU - 1.57 AU

Year: 1075 Days

Day: 8.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 41,438,192 km

• M1: 185,352 km (0.093 R)
• M2: 663,915 km (0.029 R)
• M3: 1,836,314 km (0.117 R)
• M4: 2,804,960 km (0.025 R)
• M5: 3,664,699 km (0.025 R)
• M6: 4,336,842 km (0.073 R)
• M7: 5,528,689 km (0.088 R)
• M8: 5,992,292 km (0.112 R)
• M9: 6,591,881 km (0.083 R)
• M10: 7,184,288 km (0.12 R)
• M11: 8,741,901 km (0.091 R)
• M12: 9,261,604 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.5

Radius: 13.8

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.32 AU - 3.18 AU

Year: 2992 Days

Day: 12.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,438,192 km

• M1: 187,895 km (0.119 R)
• M2: 1,876,107 km (0.081 R)
• M3: 2,972,809 km (0.091 R)
• M4: 3,620,568 km (0.103 R)
• M5: 4,053,504 km (0.062 R)
• M6: 5,381,634 km (0.088 R)
• M7: 8,254,960 km (0.07 R)
• M8: 8,754,168 km (0.083 R)
• M9: 10,056,268 km (0.112 R)
• M10: 12,186,392 km (0.029 R)
• M11: 13,042,391 km (0.079 R)
• M12: 14,113,213 km (0.065 R)
• M13: 15,011,548 km (0.088 R)
• M14: 15,709,871 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.6

Radius: 15

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.55 AU - 4.03 AU

Year: 4840 Days

Day: 6.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,438,192 km

• M1: 186,549 km (0.089 R)
• M2: 832,512 km (0.062 R)
• M3: 1,658,592 km (0.113 R)
• M4: 2,698,147 km (0.075 R)
• M5: 3,501,488 km (0.091 R)
• M6: 4,114,540 km (0.037 R)
• M7: 4,719,214 km (0.081 R)
• M8: 5,353,958 km (0.108 R)
• M9: 8,171,933 km (0.108 R)
• M10: 10,666,777 km (0.05 R)
• M11: 11,519,934 km (0.092 R)
• M12: 13,633,452 km (0.096 R)
• M13: 14,242,016 km (0.073 R)
• M14: 16,672,084 km (0.04 R)
• M15: 18,617,305 km (0.057 R)
• M16: 20,350,546 km (0.111 R)
• M17: 24,377,571 km (0.105 R)
• M18: 25,607,416 km (0.086 R)
• M19: 27,224,120 km (0.099 R)
• M20: 29,362,472 km (0.058 R)
• M21: 31,514,736 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.3

Radius: 10.8

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 5.54 AU - 5.72 AU

Year: 8763 Days

Day: 5.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 41,438,192 km

• M1: 156,330 km (0.095 R)
• M2: 1,260,661 km (0.096 R)
• M3: 1,618,649 km (0.097 R)
• M4: 3,798,589 km (0.12 R)
• M5: 5,517,169 km (0.074 R)
• M6: 6,894,367 km (0.081 R)
• M7: 8,068,860 km (0.062 R)
• M8: 8,574,202 km (0.049 R)
• M9: 11,955,114 km (0.071 R)
• M10: 14,180,382 km (0.116 R)
• M11: 14,668,969 km (0.078 R)
• M12: 17,075,999 km (0.115 R)
• M13: 17,629,211 km (0.092 R)
• M14: 21,044,830 km (0.064 R)
• M15: 26,314,415 km (0.115 R)
• M16: 28,667,290 km (0.101 R)
• M17: 29,252,218 km (0.116 R)
• M18: 30,144,569 km (0.115 R)
• M19: 35,883,742 km (0.109 R)
• M20: 36,677,359 km (0.074 R)
• M21: 39,128,370 km (0.038 R)
• M22: 40,454,855 km (0.103 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 15,780 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit