🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.47 AU - 0.57 AU

Year: 238 Days

Day: 18.2 Hours

Environment

Temp: -109 °C

Axial Tilt: 12.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,042,375 km

• M1: 210,035 km (0.082 R)

Asteroid Belt

Center: 0.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408

Radius: 13.5

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.07 AU - 1.11 AU

Year: 724 Days

Day: 12.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 71,042,375 km

• M1: 173,384 km (0.058 R)
• M2: 1,106,875 km (0.096 R)
• M3: 1,860,698 km (0.099 R)
• M4: 2,432,761 km (0.112 R)
• M5: 3,615,182 km (0.056 R)
• M6: 4,825,728 km (0.109 R)
• M7: 6,541,915 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.2

Radius: 13.9

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.87 AU - 2.89 AU

Year: 2335 Days

Day: 14.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,042,375 km

• M1: 174,431 km (0.082 R)
• M2: 678,726 km (0.109 R)
• M3: 1,296,714 km (0.093 R)
• M4: 1,766,003 km (0.034 R)
• M5: 2,336,868 km (0.117 R)
• M6: 3,215,157 km (0.117 R)
• M7: 4,117,083 km (0.096 R)
• M8: 4,561,987 km (0.113 R)
• M9: 5,425,017 km (0.095 R)
• M10: 6,477,887 km (0.069 R)
• M11: 7,232,608 km (0.103 R)
• M12: 10,153,357 km (0.095 R)
• M13: 11,417,758 km (0.088 R)
• M14: 12,651,941 km (0.075 R)
• M15: 13,553,567 km (0.082 R)
• M16: 14,401,488 km (0.085 R)
• M17: 14,838,463 km (0.11 R)
• M18: 16,464,742 km (0.116 R)
• M19: 18,263,357 km (0.12 R)
• M20: 19,064,603 km (0.082 R)
• M21: 19,829,647 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.5

Radius: 13

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.02 AU - 2.88 AU

Year: 2438 Days

Day: 11.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,042,375 km

• M1: 164,558 km (0.087 R)
• M2: 647,011 km (0.049 R)
• M3: 1,278,164 km (0.104 R)
• M4: 1,920,238 km (0.077 R)
• M5: 2,770,852 km (0.075 R)
• M6: 4,493,920 km (0.036 R)
• M7: 5,804,697 km (0.112 R)
• M8: 6,742,226 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.1

Radius: 9.4

Gravity: 8.48 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.37 AU - 2.73 AU

Year: 2589 Days

Day: 12 Hours

Environment

Temp: -205 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,042,375 km

• M1: 124,017 km (0.103 R)
• M2: 639,381 km (0.116 R)
• M3: 1,016,667 km (0.053 R)
• M4: 1,336,657 km (0.037 R)
• M5: 1,735,934 km (0.108 R)
• M6: 2,746,916 km (0.11 R)
• M7: 3,102,959 km (0.074 R)
• M8: 3,829,855 km (0.083 R)
• M9: 4,621,527 km (0.088 R)
• M10: 6,061,706 km (0.088 R)
• M11: 6,471,155 km (0.095 R)
• M12: 7,468,225 km (0.104 R)
• M13: 7,907,295 km (0.082 R)
• M14: 8,363,568 km (0.118 R)
• M15: 9,186,506 km (0.037 R)
• M16: 10,100,100 km (0.028 R)
• M17: 11,520,532 km (0.104 R)
• M18: 12,107,255 km (0.091 R)
• M19: 13,894,201 km (0.071 R)
• M20: 15,545,762 km (0.11 R)
• M21: 16,107,053 km (0.087 R)
• M22: 17,162,317 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.4

Radius: 10.7

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.02 AU - 4.08 AU

Year: 4253 Days

Day: 10.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,042,375 km

• M1: 148,401 km (0.114 R)
• M2: 504,294 km (0.12 R)
• M3: 955,781 km (0.09 R)
• M4: 1,511,387 km (0.063 R)
• M5: 1,999,226 km (0.104 R)
• M6: 2,381,149 km (0.088 R)
• M7: 3,197,654 km (0.079 R)
• M8: 3,660,660 km (0.113 R)
• M9: 4,099,281 km (0.115 R)
• M10: 5,461,968 km (0.084 R)
• M11: 6,524,861 km (0.052 R)
• M12: 7,306,809 km (0.05 R)
• M13: 7,650,435 km (0.091 R)
• M14: 8,259,747 km (0.097 R)
• M15: 9,174,538 km (0.053 R)
• M16: 9,862,539 km (0.118 R)
• M17: 10,671,714 km (0.1 R)
• M18: 15,007,210 km (0.084 R)
• M19: 18,558,813 km (0.108 R)
• M20: 20,191,374 km (0.111 R)
• M21: 22,274,375 km (0.051 R)
• M22: 24,958,460 km (0.1 R)
• M23: 26,863,140 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.2

Radius: 10

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.35 AU - 4.37 AU

Year: 5788 Days

Day: 12.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,042,375 km

• M1: 124,465 km (0.072 R)
• M2: 662,270 km (0.07 R)
• M3: 1,479,822 km (0.091 R)
• M4: 2,247,708 km (0.045 R)
• M5: 2,721,784 km (0.108 R)
• M6: 3,734,711 km (0.09 R)
• M7: 4,872,702 km (0.12 R)
• M8: 6,356,563 km (0.067 R)
• M9: 7,062,067 km (0.113 R)
• M10: 7,707,581 km (0.093 R)
• M11: 11,109,736 km (0.111 R)
• M12: 11,686,885 km (0.113 R)
• M13: 13,270,827 km (0.114 R)
• M14: 14,993,297 km (0.075 R)
• M15: 17,751,583 km (0.111 R)
• M16: 18,077,706 km (0.078 R)
• M17: 18,474,140 km (0.112 R)
• M18: 19,977,898 km (0.12 R)
• M19: 22,459,876 km (0.092 R)
• M20: 32,275,741 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.4

Radius: 13.7

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 4.36 AU - 6.38 AU

Year: 7912 Days

Day: 7.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 71,042,375 km

• M1: 171,439 km (0.098 R)
• M2: 887,564 km (0.103 R)
• M3: 1,432,100 km (0.086 R)
• M4: 2,131,620 km (0.043 R)
• M5: 2,738,389 km (0.101 R)
• M6: 4,167,049 km (0.117 R)
• M7: 4,701,113 km (0.119 R)
• M8: 5,637,895 km (0.054 R)
• M9: 7,674,969 km (0.088 R)
• M10: 9,532,526 km (0.045 R)
• M11: 10,263,611 km (0.044 R)
• M12: 11,673,720 km (0.092 R)
• M13: 17,169,198 km (0.072 R)
• M14: 19,380,554 km (0.072 R)
• M15: 20,875,784 km (0.062 R)
• M16: 21,693,038 km (0.069 R)
• M17: 22,362,189 km (0.114 R)
• M18: 24,273,152 km (0.091 R)
• M19: 27,244,166 km (0.058 R)
• M20: 31,714,150 km (0.068 R)
• M21: 35,028,192 km (0.097 R)
• M22: 37,123,759 km (0.065 R)
• M23: 39,548,740 km (0.025 R)
• M24: 40,046,153 km (0.098 R)
• M25: 42,987,696 km (0.114 R)
• M26: 45,388,144 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841.7

Radius: 4.9

Gravity: 35.06 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 6.78 AU - 6.84 AU

Year: 11299 Days

Day: 16.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,042,375 km

• M1: 61,036 km (0.079 R)
• M2: 245,041 km (0.081 R)
• M3: 613,800 km (0.05 R)
• M4: 1,295,368 km (0.112 R)
• M5: 1,850,077 km (0.095 R)
• M6: 2,078,513 km (0.096 R)
• M7: 3,412,178 km (0.101 R)
• M8: 3,895,379 km (0.055 R)
• M9: 4,767,983 km (0.111 R)
• M10: 7,440,998 km (0.101 R)
• M11: 7,974,314 km (0.105 R)
• M12: 11,429,277 km (0.092 R)
• M13: 12,078,083 km (0.079 R)
• M14: 12,442,205 km (0.109 R)
• M15: 15,199,144 km (0.115 R)
• M16: 19,225,720 km (0.032 R)
• M17: 20,397,071 km (0.104 R)
• M18: 21,615,097 km (0.072 R)
• M19: 29,083,621 km (0.058 R)
• M20: 35,571,681 km (0.096 R)
• M21: 37,845,718 km (0.077 R)
• M22: 39,414,401 km (0.105 R)
• M23: 42,680,871 km (0.104 R)
• M24: 46,566,227 km (0.072 R)
• M25: 46,863,029 km (0.116 R)
• M26: 50,367,957 km (0.092 R)
• M27: 51,626,973 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.5

Radius: 6.1

Gravity: 15.47 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 7.65 AU - 12.07 AU

Year: 19686 Days

Day: 16.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,042,375 km

• M1: 75,996 km (0.104 R)
• M2: 388,954 km (0.119 R)
• M3: 761,603 km (0.117 R)
• M4: 1,426,715 km (0.094 R)
• M5: 3,908,843 km (0.083 R)
• M6: 5,296,213 km (0.115 R)
• M7: 5,917,344 km (0.07 R)
• M8: 8,840,636 km (0.1 R)
• M9: 9,489,591 km (0.12 R)
• M10: 12,875,590 km (0.08 R)
• M11: 18,418,939 km (0.111 R)
• M12: 20,293,550 km (0.083 R)
• M13: 20,945,647 km (0.045 R)
• M14: 25,690,742 km (0.056 R)
• M15: 38,070,414 km (0.063 R)
• M16: 43,812,130 km (0.113 R)
• M17: 47,944,622 km (0.108 R)
• M18: 49,600,820 km (0.045 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 17,142 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit