🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.68 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.27 AU - 1.45 AU

Year: 557 Days

Day: 42.5 Hours

Environment

Temp: 12 °C

Axial Tilt: 29.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.6 AU - 1.6 AU

Year: 711 Days

Day: 16.9 Hours

Environment

Temp: -33 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 97,767,149 km

• M1: 544,087 km (0.119 R)
• M2: 584,030 km (0.095 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2 AU - 2.16 AU

Year: 1054 Days

Day: 30 Hours

Environment

Temp: -60 °C

Axial Tilt: 97.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 5

Radius: 1.9

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.14 AU - 2.26 AU

Year: 1147 Days

Day: 37 Hours

Environment

Temp: -66 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 97,767,149 km

• M1: 46,675 km (0.107 R)
• M2: 1,402,630 km (0.069 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.39 AU - 4.05 AU

Year: 2522 Days

Day: 39.1 Hours

Environment

Temp: -111 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 97,767,149 km

• M1: 23,936 km (0.068 R)

Asteroid Belt

Center: 4.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.4

Radius: 11.4

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.62 AU - 6.72 AU

Year: 5386 Days

Day: 14.5 Hours

Environment

Temp: -136 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 97,767,149 km

• M1: 141,819 km (0.077 R)
• M2: 512,672 km (0.099 R)
• M3: 871,856 km (0.118 R)
• M4: 1,490,294 km (0.108 R)
• M5: 2,240,976 km (0.12 R)
• M6: 2,623,348 km (0.093 R)
• M7: 3,415,020 km (0.118 R)
• M8: 3,855,885 km (0.106 R)
• M9: 5,016,017 km (0.057 R)
• M10: 5,558,159 km (0.111 R)
• M11: 6,363,295 km (0.106 R)
• M12: 7,751,414 km (0.114 R)
• M13: 11,793,698 km (0.068 R)
• M14: 12,806,475 km (0.097 R)
• M15: 13,174,187 km (0.088 R)
• M16: 13,549,079 km (0.093 R)
• M17: 15,004,517 km (0.073 R)
• M18: 16,376,479 km (0.062 R)
• M19: 18,223,564 km (0.098 R)
• M20: 22,101,290 km (0.088 R)
• M21: 22,555,170 km (0.101 R)
• M22: 29,579,538 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.4

Radius: 12.6

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 7.72 AU - 9.22 AU

Year: 8664 Days

Day: 7.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 97,767,149 km

• M1: 156,629 km (0.041 R)
• M2: 649,554 km (0.079 R)
• M3: 1,641,837 km (0.09 R)
• M4: 3,057,481 km (0.046 R)
• M5: 3,576,586 km (0.085 R)
• M6: 4,885,567 km (0.112 R)
• M7: 6,875,219 km (0.051 R)
• M8: 9,023,594 km (0.068 R)
• M9: 11,039,425 km (0.107 R)
• M10: 11,981,293 km (0.098 R)
• M11: 12,737,062 km (0.098 R)
• M12: 13,217,720 km (0.095 R)
• M13: 14,408,220 km (0.105 R)
• M14: 15,330,191 km (0.09 R)
• M15: 16,291,208 km (0.105 R)
• M16: 19,258,482 km (0.098 R)
• M17: 19,732,707 km (0.104 R)
• M18: 20,295,794 km (0.083 R)
• M19: 20,704,645 km (0.036 R)
• M20: 23,273,838 km (0.04 R)
• M21: 24,450,575 km (0.108 R)
• M22: 25,194,226 km (0.087 R)
• M23: 26,048,729 km (0.114 R)
• M24: 36,765,023 km (0.115 R)
• M25: 39,364,137 km (0.097 R)
• M26: 42,749,088 km (0.088 R)
• M27: 43,556,916 km (0.119 R)
• M28: 45,760,941 km (0.083 R)
• M29: 48,619,308 km (0.05 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.5

Radius: 8

Gravity: 14.12 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 8.41 AU - 8.85 AU

Year: 8910 Days

Day: 10 Hours

Environment

Temp: -153 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 97,767,149 km

• M1: 100,829 km (0.062 R)
• M2: 454,179 km (0.052 R)
• M3: 779,405 km (0.104 R)
• M4: 1,224,010 km (0.075 R)
• M5: 1,574,817 km (0.115 R)
• M6: 1,925,773 km (0.101 R)
• M7: 2,236,189 km (0.101 R)
• M8: 2,702,336 km (0.079 R)
• M9: 6,135,158 km (0.1 R)
• M10: 7,168,880 km (0.089 R)
• M11: 7,496,349 km (0.058 R)
• M12: 8,907,356 km (0.086 R)
• M13: 12,188,038 km (0.101 R)
• M14: 13,073,657 km (0.053 R)
• M15: 16,057,087 km (0.118 R)
• M16: 19,624,398 km (0.057 R)
• M17: 21,761,553 km (0.066 R)
• M18: 22,017,815 km (0.089 R)
• M19: 23,867,891 km (0.064 R)
• M20: 25,914,690 km (0.106 R)
• M21: 31,976,694 km (0.109 R)
• M22: 32,418,906 km (0.052 R)
• M23: 34,228,591 km (0.101 R)
• M24: 36,104,698 km (0.082 R)
• M25: 37,801,736 km (0.118 R)
• M26: 39,932,908 km (0.109 R)
• M27: 42,010,822 km (0.104 R)
• M28: 48,675,407 km (0.09 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.6

Radius: 8.9

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 9.84 AU - 12.48 AU

Year: 13103 Days

Day: 13.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 97,767,149 km

• M1: 110,702 km (0.118 R)
• M2: 552,016 km (0.087 R)
• M3: 934,987 km (0.109 R)
• M4: 1,727,855 km (0.097 R)
• M5: 2,257,881 km (0.046 R)
• M6: 2,649,079 km (0.112 R)
• M7: 3,041,474 km (0.066 R)
• M8: 4,154,782 km (0.043 R)
• M9: 6,057,816 km (0.077 R)
• M10: 10,397,202 km (0.088 R)
• M11: 13,699,425 km (0.083 R)
• M12: 15,718,847 km (0.077 R)
• M13: 17,217,369 km (0.119 R)
• M14: 19,108,435 km (0.102 R)
• M15: 21,214,624 km (0.083 R)
• M16: 22,871,270 km (0.062 R)
• M17: 24,434,419 km (0.042 R)
• M18: 25,061,084 km (0.076 R)
• M19: 27,675,606 km (0.1 R)
• M20: 28,454,712 km (0.094 R)
• M21: 29,752,025 km (0.092 R)
• M22: 30,466,654 km (0.115 R)
• M23: 34,435,335 km (0.068 R)
• M24: 37,186,291 km (0.073 R)
• M25: 38,494,674 km (0.099 R)
• M26: 41,329,254 km (0.026 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 618.3

Radius: 4.3

Gravity: 33.44 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 16.96 AU - 22.38 AU

Year: 30661 Days

Day: 16.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 97,767,149 km

• M1: 79,137 km (0.113 R)
• M2: 525,089 km (0.069 R)
• M3: 723,754 km (0.068 R)
• M4: 971,339 km (0.118 R)
• M5: 1,404,275 km (0.099 R)
• M6: 1,543,850 km (0.104 R)
• M7: 1,934,300 km (0.111 R)
• M8: 4,136,082 km (0.108 R)
• M9: 4,315,151 km (0.118 R)
• M10: 4,536,855 km (0.096 R)
• M11: 6,448,865 km (0.108 R)
• M12: 6,689,867 km (0.048 R)
• M13: 8,096,536 km (0.083 R)
• M14: 9,941,526 km (0.07 R)
• M15: 13,792,774 km (0.105 R)
• M16: 15,871,287 km (0.053 R)
• M17: 16,578,137 km (0.095 R)
• M18: 18,054,219 km (0.099 R)
• M19: 20,326,611 km (0.111 R)
• M20: 20,949,237 km (0.096 R)
• M21: 21,477,766 km (0.036 R)
• M22: 22,123,730 km (0.103 R)
• M23: 31,323,101 km (0.03 R)
• M24: 33,425,849 km (0.11 R)
• M25: 36,524,919 km (0.082 R)
• M26: 48,965,627 km (0.05 R)
• M27: 51,026,787 km (0.067 R)
• M28: 51,982,567 km (0.073 R)
• M29: 56,940,690 km (0.098 R)
• M30: 59,009,179 km (0.119 R)
• M31: 65,513,994 km (0.098 R)
• M32: 69,403,987 km (0.057 R)
• M33: 73,687,722 km (0.115 R)
• M34: 79,158,367 km (0.107 R)
• M35: 79,668,645 km (0.101 R)
• M36: 80,438,326 km (0.078 R)
• M37: 81,212,944 km (0.088 R)
• M38: 83,830,757 km (0.114 R)
• M39: 86,504,221 km (0.093 R)
• M40: 89,786,847 km (0.051 R)
• M41: 92,302,634 km (0.096 R)
• M42: 94,005,656 km (0.091 R)

Kuiper Belt

Range: 31.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 18,128 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit