🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.47 AU - 0.63 AU

Year: 263 Days

Day: 29.7 Hours

Environment

Temp: -116 °C

Axial Tilt: 38.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,973,777 km

• M1: 154,235 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.48 AU - 0.66 AU

Year: 278 Days

Day: 30.1 Hours

Environment

Temp: -131 °C

Axial Tilt: 5.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.53 AU - 0.81 AU

Year: 354 Days

Day: 15.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.95 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.3

Radius: 12.1

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.21 AU - 1.23 AU

Year: 870 Days

Day: 8 Hours

Environment

Temp: -163 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,973,777 km

• M1: 150,795 km (0.095 R)
• M2: 723,754 km (0.086 R)
• M3: 1,133,952 km (0.058 R)
• M4: 1,568,085 km (0.101 R)
• M5: 1,964,220 km (0.079 R)
• M6: 2,492,301 km (0.119 R)
• M7: 3,308,207 km (0.043 R)
• M8: 4,294,656 km (0.101 R)
• M9: 4,703,207 km (0.037 R)
• M10: 5,137,939 km (0.08 R)
• M11: 5,580,449 km (0.1 R)
• M12: 6,230,751 km (0.102 R)
• M13: 6,670,270 km (0.102 R)
• M14: 8,164,304 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 415.6

Radius: 10.4

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.31 AU - 1.97 AU

Year: 1356 Days

Day: 12.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,973,777 km

• M1: 130,150 km (0.09 R)
• M2: 463,155 km (0.077 R)
• M3: 924,515 km (0.081 R)
• M4: 1,617,153 km (0.113 R)
• M5: 2,068,340 km (0.048 R)
• M6: 3,157,562 km (0.08 R)
• M7: 3,980,949 km (0.034 R)
• M8: 4,382,470 km (0.089 R)
• M9: 4,941,218 km (0.093 R)
• M10: 5,963,570 km (0.11 R)
• M11: 6,558,969 km (0.105 R)
• M12: 7,001,480 km (0.061 R)
• M13: 7,488,720 km (0.055 R)
• M14: 9,030,625 km (0.114 R)
• M15: 9,756,773 km (0.071 R)
• M16: 10,365,337 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.3

Radius: 13.9

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.89 AU - 2.49 AU

Year: 2093 Days

Day: 12.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,973,777 km

• M1: 172,935 km (0.073 R)
• M2: 730,486 km (0.08 R)
• M3: 1,188,405 km (0.103 R)
• M4: 1,705,117 km (0.085 R)
• M5: 2,467,916 km (0.06 R)
• M6: 2,937,504 km (0.066 R)
• M7: 3,519,739 km (0.078 R)
• M8: 3,982,295 km (0.03 R)
• M9: 4,851,908 km (0.113 R)
• M10: 5,308,929 km (0.096 R)
• M11: 6,022,810 km (0.037 R)
• M12: 6,716,645 km (0.056 R)
• M13: 7,887,847 km (0.114 R)
• M14: 9,054,710 km (0.071 R)
• M15: 10,149,019 km (0.115 R)
• M16: 11,211,612 km (0.105 R)
• M17: 11,770,061 km (0.082 R)
• M18: 12,942,909 km (0.114 R)
• M19: 13,872,659 km (0.114 R)
• M20: 15,423,092 km (0.116 R)
• M21: 16,316,041 km (0.085 R)
• M22: 18,096,555 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.4

Radius: 12.4

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.23 AU - 2.69 AU

Year: 2491 Days

Day: 8.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,973,777 km

• M1: 154,235 km (0.094 R)
• M2: 691,890 km (0.1 R)
• M3: 1,105,977 km (0.068 R)
• M4: 1,691,653 km (0.081 R)
• M5: 2,100,653 km (0.072 R)
• M6: 3,289,956 km (0.039 R)
• M7: 4,476,417 km (0.116 R)
• M8: 5,509,839 km (0.104 R)
• M9: 6,031,786 km (0.112 R)
• M10: 6,586,495 km (0.117 R)
• M11: 9,325,632 km (0.084 R)
• M12: 9,924,323 km (0.101 R)
• M13: 10,548,595 km (0.101 R)
• M14: 11,316,331 km (0.096 R)
• M15: 11,794,595 km (0.093 R)
• M16: 13,399,032 km (0.117 R)
• M17: 16,677,171 km (0.081 R)
• M18: 17,666,162 km (0.064 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.3

Radius: 8.2

Gravity: 11.72 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.38 AU - 5.38 AU

Year: 5919 Days

Day: 14 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,973,777 km

• M1: 102,026 km (0.077 R)
• M2: 428,897 km (0.1 R)
• M3: 701,315 km (0.072 R)
• M4: 1,008,439 km (0.1 R)
• M5: 1,763,011 km (0.068 R)
• M6: 2,412,864 km (0.082 R)
• M7: 2,736,594 km (0.063 R)
• M8: 3,791,109 km (0.102 R)
• M9: 4,306,923 km (0.094 R)
• M10: 4,758,110 km (0.06 R)
• M11: 6,814,183 km (0.082 R)
• M12: 7,170,525 km (0.118 R)
• M13: 7,804,820 km (0.103 R)
• M14: 8,516,756 km (0.074 R)
• M15: 12,526,428 km (0.114 R)
• M16: 13,612,658 km (0.094 R)
• M17: 14,121,291 km (0.068 R)
• M18: 14,642,640 km (0.092 R)
• M19: 16,792,810 km (0.085 R)
• M20: 17,378,037 km (0.116 R)
• M21: 19,427,228 km (0.088 R)
• M22: 19,712,063 km (0.114 R)
• M23: 25,499,406 km (0.118 R)
• M24: 31,047,692 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 896.4

Radius: 6.9

Gravity: 18.83 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 6.88 AU - 8.52 AU

Year: 13796 Days

Day: 21.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 64,973,777 km

• M1: 86,019 km (0.1 R)
• M2: 748,887 km (0.047 R)
• M3: 1,124,228 km (0.063 R)
• M4: 1,572,124 km (0.101 R)
• M5: 1,873,115 km (0.071 R)
• M6: 3,788,716 km (0.088 R)
• M7: 4,024,482 km (0.063 R)
• M8: 5,353,659 km (0.038 R)
• M9: 8,099,827 km (0.054 R)
• M10: 9,529,085 km (0.072 R)
• M11: 10,474,544 km (0.09 R)
• M12: 10,822,808 km (0.097 R)
• M13: 12,421,560 km (0.078 R)
• M14: 12,943,657 km (0.07 R)
• M15: 15,851,690 km (0.068 R)
• M16: 19,601,659 km (0.111 R)
• M17: 21,217,316 km (0.118 R)
• M18: 24,507,572 km (0.11 R)
• M19: 29,364,416 km (0.113 R)
• M20: 29,824,879 km (0.101 R)
• M21: 34,825,936 km (0.101 R)
• M22: 36,521,478 km (0.071 R)
• M23: 37,322,126 km (0.102 R)
• M24: 37,726,937 km (0.07 R)
• M25: 39,654,506 km (0.113 R)
• M26: 42,667,557 km (0.104 R)
• M27: 46,605,122 km (0.078 R)
• M28: 47,074,411 km (0.107 R)
• M29: 52,447,517 km (0.093 R)
• M30: 58,396,277 km (0.057 R)
• M31: 59,858,446 km (0.099 R)
• M32: 60,413,006 km (0.059 R)
• M33: 60,784,756 km (0.032 R)
• M34: 63,620,683 km (0.079 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: 497 - 15,223 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit