🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.6 AU - 0.74 AU

Year: 210 Days

Day: 37.6 Hours

Environment

Temp: 116 °C

Axial Tilt: 26.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.1 AU - 1.72 AU

Year: 641 Days

Day: 32.4 Hours

Environment

Temp: -42 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 76,073,211 km

• M1: 76,295 km (0.086 R)
• M2: 219,759 km (0.081 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.46 AU - 1.7 AU

Year: 760 Days

Day: 28.7 Hours

Environment

Temp: -66 °C

Axial Tilt: 49.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,073,211 km

• M1: 39,943 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.19 AU - 2.75 AU

Year: 1486 Days

Day: 38.2 Hours

Environment

Temp: -96 °C

Axial Tilt: 11.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.4 AU - 2.8 AU

Year: 1605 Days

Day: 21.7 Hours

Environment

Temp: -99 °C

Axial Tilt: 41.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.33 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.5

Radius: 13.9

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 5.9 AU - 6.22 AU

Year: 5712 Days

Day: 5.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,073,211 km

• M1: 172,935 km (0.101 R)
• M2: 1,047,634 km (0.049 R)
• M3: 1,635,254 km (0.103 R)
• M4: 2,130,274 km (0.109 R)
• M5: 3,135,422 km (0.117 R)
• M6: 3,609,198 km (0.1 R)
• M7: 4,155,829 km (0.093 R)
• M8: 5,094,256 km (0.104 R)
• M9: 7,806,765 km (0.105 R)
• M10: 9,942,873 km (0.095 R)
• M11: 10,734,694 km (0.03 R)
• M12: 11,170,623 km (0.111 R)
• M13: 12,338,982 km (0.085 R)
• M14: 13,308,975 km (0.1 R)
• M15: 14,213,294 km (0.117 R)
• M16: 15,523,173 km (0.078 R)
• M17: 17,239,060 km (0.1 R)
• M18: 19,791,499 km (0.113 R)
• M19: 21,120,377 km (0.063 R)
• M20: 21,652,945 km (0.102 R)
• M21: 26,680,481 km (0.059 R)
• M22: 27,753,846 km (0.071 R)
• M23: 28,485,230 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.4

Radius: 11.2

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.79 AU - 8.51 AU

Year: 8101 Days

Day: 7.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 76,073,211 km

• M1: 140,173 km (0.086 R)
• M2: 875,746 km (0.098 R)
• M3: 1,552,377 km (0.116 R)
• M4: 2,034,980 km (0.116 R)
• M5: 3,501,937 km (0.083 R)
• M6: 4,673,138 km (0.06 R)
• M7: 5,282,600 km (0.117 R)
• M8: 8,628,955 km (0.093 R)
• M9: 9,746,750 km (0.088 R)
• M10: 13,478,469 km (0.104 R)
• M11: 14,608,082 km (0.101 R)
• M12: 16,938,219 km (0.109 R)
• M13: 18,560,907 km (0.104 R)
• M14: 19,187,423 km (0.055 R)
• M15: 20,482,791 km (0.055 R)
• M16: 21,974,132 km (0.087 R)
• M17: 23,682,241 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48

Radius: 6.5

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 13.04 AU - 19.86 AU

Year: 25546 Days

Day: 18.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 76,073,211 km

• M1: 92,900 km (0.103 R)
• M2: 393,592 km (0.117 R)
• M3: 642,822 km (0.102 R)
• M4: 1,189,153 km (0.036 R)
• M5: 3,460,947 km (0.07 R)
• M6: 4,105,115 km (0.067 R)
• M7: 4,415,980 km (0.099 R)
• M8: 7,122,504 km (0.04 R)
• M9: 7,610,193 km (0.109 R)
• M10: 8,862,627 km (0.098 R)
• M11: 12,450,732 km (0.112 R)
• M12: 20,101,615 km (0.028 R)
• M13: 23,764,220 km (0.069 R)
• M14: 25,277,253 km (0.116 R)
• M15: 26,232,884 km (0.029 R)
• M16: 28,773,804 km (0.07 R)

Asteroid Belt

Center: 16.85 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 17.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597.5

Radius: 6.2

Gravity: 15.54 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 17.11 AU - 17.39 AU

Year: 27432 Days

Day: 15.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,073,211 km

• M1: 77,492 km (0.087 R)
• M2: 328,517 km (0.083 R)
• M3: 582,833 km (0.072 R)
• M4: 4,843,680 km (0.101 R)
• M5: 5,075,557 km (0.07 R)
• M6: 6,078,161 km (0.099 R)
• M7: 9,808,983 km (0.116 R)
• M8: 14,118,598 km (0.032 R)
• M9: 14,354,364 km (0.084 R)
• M10: 16,596,089 km (0.098 R)
• M11: 20,430,432 km (0.101 R)
• M12: 21,447,847 km (0.083 R)
• M13: 21,864,178 km (0.107 R)
• M14: 23,915,464 km (0.088 R)
• M15: 28,024,020 km (0.119 R)
• M16: 28,521,582 km (0.081 R)
• M17: 33,825,724 km (0.086 R)
• M18: 37,906,455 km (0.042 R)
• M19: 39,129,866 km (0.118 R)
• M20: 42,466,497 km (0.115 R)
• M21: 48,440,688 km (0.11 R)
• M22: 54,371,645 km (0.111 R)
• M23: 55,339,992 km (0.061 R)
• M24: 55,926,416 km (0.079 R)
• M25: 64,794,727 km (0.102 R)
• M26: 74,317,679 km (0.1 R)
• M27: 76,714,985 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 302.3

Radius: 3.8

Gravity: 20.93 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 13.96 AU - 22.74 AU

Year: 30097 Days

Day: 22.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 84.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 76,073,211 km

• M1: 54,603 km (0.119 R)
• M2: 628,461 km (0.085 R)
• M3: 824,135 km (0.102 R)
• M4: 1,033,871 km (0.099 R)
• M5: 1,478,177 km (0.109 R)
• M6: 2,246,960 km (0.062 R)
• M7: 2,378,606 km (0.095 R)
• M8: 3,061,820 km (0.071 R)
• M9: 6,049,738 km (0.083 R)
• M10: 7,890,240 km (0.118 R)
• M11: 10,013,932 km (0.088 R)
• M12: 15,820,723 km (0.085 R)
• M13: 18,697,490 km (0.091 R)
• M14: 22,505,952 km (0.118 R)
• M15: 24,483,487 km (0.082 R)
• M16: 28,542,227 km (0.07 R)
• M17: 35,573,326 km (0.031 R)
• M18: 43,675,248 km (0.09 R)
• M19: 44,308,197 km (0.096 R)
• M20: 46,901,625 km (0.061 R)
• M21: 49,081,865 km (0.087 R)
• M22: 49,252,406 km (0.043 R)
• M23: 51,856,755 km (0.076 R)
• M24: 55,101,533 km (0.045 R)
• M25: 62,791,013 km (0.062 R)
• M26: 63,799,752 km (0.11 R)
• M27: 72,703,069 km (0.099 R)
• M28: 72,924,624 km (0.113 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 17,912 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit