🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.44 AU - 0.56 AU

Year: 159 Days

Day: 18.7 Hours

Environment

Temp: 35 °C

Axial Tilt: 31.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 1.16 AU - 1.48 AU

Year: 682 Days

Day: 36.5 Hours

Environment

Temp: -86 °C

Axial Tilt: 42.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,635,741 km

• M1: 248,482 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.06 AU - 1.74 AU

Year: 745 Days

Day: 14.9 Hours

Environment

Temp: -106 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.36 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.6

Radius: 13.6

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.49 AU - 4.13 AU

Year: 2707 Days

Day: 9 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,635,741 km

• M1: 169,195 km (0.085 R)
• M2: 811,269 km (0.058 R)
• M3: 1,237,623 km (0.093 R)
• M4: 1,799,214 km (0.112 R)
• M5: 3,209,473 km (0.105 R)
• M6: 5,328,527 km (0.106 R)
• M7: 6,683,135 km (0.103 R)
• M8: 7,136,866 km (0.116 R)
• M9: 10,377,604 km (0.085 R)
• M10: 10,805,903 km (0.117 R)
• M11: 12,319,684 km (0.115 R)
• M12: 13,045,234 km (0.09 R)
• M13: 14,804,654 km (0.036 R)
• M14: 15,578,823 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.4

Radius: 8.8

Gravity: 10.84 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.98 AU - 4.64 AU

Year: 3344 Days

Day: 8.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 71,635,741 km

• M1: 109,655 km (0.055 R)
• M2: 441,015 km (0.076 R)
• M3: 835,205 km (0.074 R)
• M4: 1,305,690 km (0.111 R)
• M5: 1,867,729 km (0.082 R)
• M6: 2,679,896 km (0.117 R)
• M7: 3,568,358 km (0.051 R)
• M8: 4,091,651 km (0.105 R)
• M9: 6,173,156 km (0.033 R)
• M10: 6,896,462 km (0.114 R)
• M11: 7,508,168 km (0.105 R)
• M12: 7,844,464 km (0.092 R)
• M13: 8,692,683 km (0.118 R)
• M14: 9,063,686 km (0.112 R)
• M15: 10,159,042 km (0.103 R)
• M16: 10,993,798 km (0.099 R)
• M17: 11,383,949 km (0.103 R)
• M18: 12,238,153 km (0.103 R)
• M19: 14,534,331 km (0.112 R)
• M20: 15,431,170 km (0.098 R)
• M21: 17,103,375 km (0.094 R)
• M22: 19,453,258 km (0.079 R)
• M23: 21,670,598 km (0.08 R)
• M24: 22,910,166 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.5

Radius: 8.4

Gravity: 10.42 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 6.99 AU - 7.07 AU

Year: 8380 Days

Day: 8.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 71,635,741 km

• M1: 111,002 km (0.113 R)
• M2: 442,361 km (0.082 R)
• M3: 736,770 km (0.055 R)
• M4: 1,199,177 km (0.113 R)
• M5: 1,626,278 km (0.094 R)
• M6: 2,203,577 km (0.036 R)
• M7: 2,588,193 km (0.091 R)
• M8: 3,811,903 km (0.097 R)
• M9: 5,100,539 km (0.115 R)
• M10: 6,118,852 km (0.059 R)
• M11: 6,844,252 km (0.087 R)
• M12: 8,952,685 km (0.057 R)
• M13: 10,032,183 km (0.04 R)
• M14: 12,223,343 km (0.118 R)
• M15: 13,019,652 km (0.077 R)
• M16: 13,609,367 km (0.097 R)
• M17: 14,652,363 km (0.036 R)
• M18: 14,969,212 km (0.105 R)
• M19: 16,621,819 km (0.043 R)
• M20: 17,245,493 km (0.109 R)
• M21: 17,956,532 km (0.052 R)
• M22: 20,207,531 km (0.096 R)
• M23: 20,521,238 km (0.099 R)
• M24: 20,838,235 km (0.073 R)
• M25: 21,808,677 km (0.05 R)
• M26: 22,305,043 km (0.113 R)
• M27: 22,724,365 km (0.099 R)
• M28: 23,320,363 km (0.106 R)
• M29: 23,926,833 km (0.067 R)
• M30: 28,567,658 km (0.071 R)
• M31: 39,827,142 km (0.096 R)
• M32: 42,849,169 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.7

Radius: 7.1

Gravity: 14.97 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 10.48 AU - 12.48 AU

Year: 17488 Days

Day: 15.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 71,635,741 km

• M1: 88,263 km (0.12 R)
• M2: 316,250 km (0.106 R)
• M3: 811,568 km (0.115 R)
• M4: 1,469,799 km (0.085 R)
• M5: 2,006,855 km (0.105 R)
• M6: 3,139,162 km (0.114 R)
• M7: 5,181,023 km (0.088 R)
• M8: 6,243,766 km (0.103 R)
• M9: 8,480,404 km (0.112 R)
• M10: 9,276,714 km (0.1 R)
• M11: 9,891,561 km (0.093 R)
• M12: 10,592,876 km (0.111 R)
• M13: 11,017,135 km (0.073 R)
• M14: 11,964,090 km (0.087 R)
• M15: 12,291,559 km (0.116 R)
• M16: 12,964,451 km (0.045 R)
• M17: 16,060,528 km (0.103 R)
• M18: 16,782,787 km (0.099 R)
• M19: 20,628,499 km (0.087 R)
• M20: 22,161,129 km (0.066 R)
• M21: 27,438,643 km (0.039 R)
• M22: 27,779,577 km (0.048 R)
• M23: 31,099,153 km (0.112 R)
• M24: 36,972,964 km (0.036 R)
• M25: 37,528,271 km (0.103 R)
• M26: 38,371,704 km (0.081 R)
• M27: 43,237,824 km (0.074 R)
• M28: 44,789,752 km (0.111 R)
• M29: 45,579,479 km (0.107 R)
• M30: 46,539,449 km (0.112 R)
• M31: 47,512,733 km (0.092 R)
• M32: 54,530,069 km (0.079 R)
• M33: 57,446,031 km (0.088 R)
• M34: 57,817,632 km (0.106 R)
• M35: 61,622,804 km (0.042 R)
• M36: 62,599,528 km (0.026 R)
• M37: 67,431,839 km (0.107 R)
• M38: 68,052,819 km (0.114 R)

Asteroid Belt

Center: 11.96 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 12.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 587.6

Radius: 4.2

Gravity: 33.31 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 9.89 AU - 14.99 AU

Year: 19726 Days

Day: 17 Hours

Environment

Temp: -206 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,635,741 km

• M1: 52,359 km (0.062 R)
• M2: 455,974 km (0.068 R)
• M3: 1,354,459 km (0.102 R)
• M4: 1,573,620 km (0.064 R)
• M5: 1,744,461 km (0.114 R)
• M6: 2,004,312 km (0.113 R)
• M7: 2,184,727 km (0.103 R)
• M8: 2,991,658 km (0.071 R)
• M9: 3,737,254 km (0.077 R)
• M10: 4,265,933 km (0.083 R)
• M11: 5,168,606 km (0.079 R)
• M12: 5,586,284 km (0.114 R)
• M13: 6,531,892 km (0.112 R)
• M14: 8,371,198 km (0.1 R)
• M15: 8,629,553 km (0.115 R)
• M16: 11,075,478 km (0.098 R)
• M17: 11,324,110 km (0.055 R)
• M18: 13,448,998 km (0.081 R)
• M19: 15,207,072 km (0.111 R)
• M20: 18,467,708 km (0.108 R)
• M21: 19,082,555 km (0.112 R)
• M22: 19,620,210 km (0.109 R)
• M23: 20,632,239 km (0.117 R)
• M24: 21,389,653 km (0.12 R)
• M25: 23,979,342 km (0.114 R)
• M26: 27,899,404 km (0.088 R)
• M27: 31,599,857 km (0.093 R)
• M28: 39,089,475 km (0.108 R)
• M29: 45,583,369 km (0.099 R)
• M30: 49,502,683 km (0.037 R)
• M31: 53,287,210 km (0.091 R)
• M32: 56,891,173 km (0.088 R)
• M33: 61,426,082 km (0.1 R)
• M34: 69,509,603 km (0.098 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 510 - 16,122 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit