🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.61 AU - 0.75 AU

Year: 195 Days

Day: 12.7 Hours

Environment

Temp: 165 °C

Axial Tilt: 39.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 90,441,573 km

• M1: 26,928 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.07 AU - 2.69 AU

Year: 1279 Days

Day: 25.8 Hours

Environment

Temp: -59 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.14 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.7

Radius: 9.5

Gravity: 10.77 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 5.7 AU - 6.08 AU

Year: 4978 Days

Day: 6.8 Hours

Environment

Temp: -130 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 90,441,573 km

• M1: 118,182 km (0.075 R)
• M2: 453,132 km (0.072 R)
• M3: 983,606 km (0.098 R)
• M4: 1,717,384 km (0.076 R)
• M5: 2,072,080 km (0.08 R)
• M6: 2,817,227 km (0.086 R)
• M7: 3,169,680 km (0.094 R)
• M8: 3,618,174 km (0.119 R)
• M9: 4,306,773 km (0.113 R)
• M10: 4,722,805 km (0.091 R)
• M11: 7,546,315 km (0.027 R)
• M12: 7,997,951 km (0.092 R)
• M13: 8,749,830 km (0.073 R)
• M14: 9,722,066 km (0.092 R)
• M15: 12,858,685 km (0.103 R)
• M16: 13,945,514 km (0.066 R)
• M17: 17,378,186 km (0.118 R)
• M18: 18,841,702 km (0.066 R)
• M19: 19,324,155 km (0.105 R)
• M20: 19,673,766 km (0.12 R)
• M21: 20,098,773 km (0.095 R)
• M22: 20,967,488 km (0.066 R)
• M23: 22,779,417 km (0.104 R)
• M24: 23,091,329 km (0.038 R)
• M25: 25,521,846 km (0.108 R)
• M26: 27,059,263 km (0.118 R)
• M27: 29,204,048 km (0.104 R)
• M28: 31,846,694 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.6

Radius: 8.6

Gravity: 11.08 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.9 AU - 9.76 AU

Year: 7630 Days

Day: 12.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 90,441,573 km

• M1: 110,104 km (0.071 R)
• M2: 421,268 km (0.1 R)
• M3: 745,596 km (0.097 R)
• M4: 2,219,135 km (0.118 R)
• M5: 2,488,112 km (0.045 R)
• M6: 4,020,892 km (0.082 R)
• M7: 4,620,629 km (0.062 R)
• M8: 4,912,495 km (0.099 R)
• M9: 5,729,150 km (0.028 R)
• M10: 6,205,020 km (0.103 R)
• M11: 10,257,178 km (0.094 R)
• M12: 13,670,403 km (0.089 R)
• M13: 15,599,318 km (0.076 R)
• M14: 17,561,892 km (0.112 R)
• M15: 19,683,639 km (0.112 R)
• M16: 20,609,500 km (0.091 R)
• M17: 21,889,011 km (0.08 R)
• M18: 23,135,759 km (0.065 R)
• M19: 24,341,518 km (0.097 R)
• M20: 24,959,806 km (0.054 R)
• M21: 26,227,947 km (0.111 R)
• M22: 26,505,152 km (0.026 R)
• M23: 27,920,647 km (0.09 R)
• M24: 29,986,295 km (0.084 R)
• M25: 30,492,684 km (0.082 R)
• M26: 31,626,935 km (0.085 R)
• M27: 33,760,649 km (0.06 R)
• M28: 34,862,737 km (0.074 R)
• M29: 35,988,760 km (0.055 R)
• M30: 40,243,024 km (0.051 R)
• M31: 41,481,694 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 18.8

Radius: 13.9

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 7.9 AU - 11.98 AU

Year: 10914 Days

Day: 11.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 90,441,573 km

• M1: 172,935 km (0.091 R)
• M2: 3,478,898 km (0.058 R)
• M3: 5,876,055 km (0.091 R)
• M4: 6,642,744 km (0.1 R)
• M5: 7,419,456 km (0.063 R)
• M6: 9,283,296 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 13.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.9

Radius: 11.8

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 10.87 AU - 15.65 AU

Year: 16815 Days

Day: 7 Hours

Environment

Temp: -178 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 90,441,573 km

• M1: 176,675 km (0.113 R)
• M2: 755,918 km (0.092 R)
• M3: 3,112,384 km (0.082 R)
• M4: 4,428,097 km (0.093 R)
• M5: 5,371,461 km (0.109 R)
• M6: 6,403,537 km (0.062 R)
• M7: 14,385,032 km (0.104 R)
• M8: 15,389,731 km (0.059 R)
• M9: 19,447,873 km (0.072 R)
• M10: 26,634,854 km (0.108 R)
• M11: 27,168,768 km (0.099 R)
• M12: 29,946,801 km (0.07 R)
• M13: 31,227,060 km (0.077 R)
• M14: 31,940,641 km (0.115 R)
• M15: 36,191,166 km (0.086 R)
• M16: 36,714,908 km (0.116 R)
• M17: 49,876,977 km (0.076 R)
• M18: 52,171,809 km (0.033 R)
• M19: 59,115,394 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605.3

Radius: 4.9

Gravity: 25.21 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 14.48 AU - 20.5 AU

Year: 25473 Days

Day: 19.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 90,441,573 km

• M1: 60,886 km (0.045 R)
• M2: 482,154 km (0.076 R)
• M3: 1,187,807 km (0.028 R)
• M4: 1,368,521 km (0.115 R)
• M5: 1,729,651 km (0.055 R)
• M6: 2,493,348 km (0.079 R)
• M7: 3,283,972 km (0.095 R)
• M8: 4,333,402 km (0.085 R)
• M9: 5,029,929 km (0.107 R)
• M10: 6,457,990 km (0.116 R)
• M11: 7,166,486 km (0.113 R)
• M12: 10,522,116 km (0.067 R)
• M13: 11,500,187 km (0.103 R)
• M14: 14,015,525 km (0.075 R)
• M15: 15,605,751 km (0.108 R)
• M16: 17,312,513 km (0.06 R)
• M17: 19,139,851 km (0.11 R)
• M18: 20,991,274 km (0.068 R)
• M19: 21,599,988 km (0.092 R)
• M20: 21,908,608 km (0.104 R)
• M21: 22,220,221 km (0.103 R)
• M22: 25,159,071 km (0.099 R)
• M23: 26,077,153 km (0.053 R)
• M24: 44,783,319 km (0.09 R)
• M25: 52,710,361 km (0.116 R)
• M26: 53,833,243 km (0.069 R)
• M27: 70,814,097 km (0.099 R)
• M28: 71,951,639 km (0.041 R)
• M29: 76,862,189 km (0.11 R)
• M30: 82,491,557 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 600.2

Radius: 7.8

Gravity: 9.87 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 13.96 AU - 23.02 AU

Year: 27688 Days

Day: 20.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 90,441,573 km

• M1: 99,632 km (0.104 R)
• M2: 726,447 km (0.085 R)
• M3: 1,996,533 km (0.05 R)
• M4: 2,585,350 km (0.096 R)
• M5: 5,015,418 km (0.06 R)
• M6: 6,010,094 km (0.069 R)
• M7: 7,130,732 km (0.077 R)
• M8: 7,431,424 km (0.072 R)
• M9: 10,088,432 km (0.06 R)
• M10: 11,663,248 km (0.104 R)
• M11: 17,452,237 km (0.115 R)
• M12: 20,302,376 km (0.114 R)
• M13: 20,603,516 km (0.082 R)
• M14: 28,379,015 km (0.1 R)
• M15: 36,263,272 km (0.119 R)
• M16: 65,301,715 km (0.105 R)
• M17: 65,738,840 km (0.06 R)
• M18: 69,306,450 km (0.084 R)
• M19: 81,536,225 km (0.111 R)

Kuiper Belt

Range: 31.5 - 59.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 530 - 15,484 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit