🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.43 AU - 0.61 AU

Year: 163 Days

Day: 12.6 Hours

Environment

Temp: 52 °C

Axial Tilt: 44.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.16 AU - 1.46 AU

Year: 650 Days

Day: 18.5 Hours

Environment

Temp: -90 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.4 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.6

Radius: 10.9

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.98 AU - 3.98 AU

Year: 2814 Days

Day: 9.1 Hours

Environment

Temp: -145 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 86,185,776 km

• M1: 135,685 km (0.101 R)
• M2: 685,457 km (0.069 R)
• M3: 1,334,712 km (0.059 R)
• M4: 1,901,838 km (0.099 R)
• M5: 2,663,590 km (0.064 R)
• M6: 3,617,725 km (0.108 R)
• M7: 4,111,249 km (0.09 R)
• M8: 4,591,607 km (0.113 R)
• M9: 5,109,066 km (0.1 R)
• M10: 5,555,167 km (0.098 R)
• M11: 6,261,269 km (0.054 R)
• M12: 7,338,524 km (0.052 R)
• M13: 8,274,557 km (0.066 R)
• M14: 8,861,280 km (0.083 R)
• M15: 10,823,556 km (0.11 R)
• M16: 13,020,999 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.4

Radius: 8

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.33 AU - 3.73 AU

Year: 2875 Days

Day: 6.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,185,776 km

• M1: 99,632 km (0.055 R)
• M2: 357,090 km (0.078 R)
• M3: 783,743 km (0.052 R)
• M4: 1,062,893 km (0.116 R)
• M5: 1,487,302 km (0.109 R)
• M6: 1,807,292 km (0.116 R)
• M7: 2,238,583 km (0.054 R)
• M8: 2,631,726 km (0.108 R)
• M9: 3,993,964 km (0.117 R)
• M10: 4,705,451 km (0.044 R)
• M11: 5,045,188 km (0.069 R)
• M12: 5,376,847 km (0.091 R)
• M13: 5,927,516 km (0.115 R)
• M14: 6,654,113 km (0.095 R)
• M15: 8,186,743 km (0.098 R)
• M16: 8,512,867 km (0.084 R)
• M17: 9,260,707 km (0.087 R)
• M18: 9,686,761 km (0.097 R)
• M19: 11,122,602 km (0.048 R)
• M20: 14,083,443 km (0.054 R)
• M21: 16,687,044 km (0.072 R)
• M22: 17,965,208 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 324.9

Radius: 10.7

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.47 AU - 3.99 AU

Year: 3123 Days

Day: 6.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 86,185,776 km

• M1: 133,292 km (0.117 R)
• M2: 852,558 km (0.063 R)
• M3: 1,335,759 km (0.085 R)
• M4: 2,318,767 km (0.105 R)
• M5: 2,660,449 km (0.081 R)
• M6: 3,083,362 km (0.104 R)
• M7: 3,568,508 km (0.091 R)
• M8: 3,989,177 km (0.104 R)
• M9: 4,629,605 km (0.11 R)
• M10: 7,746,477 km (0.095 R)
• M11: 10,143,932 km (0.076 R)
• M12: 15,762,978 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.9

Radius: 12.4

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.48 AU - 4.58 AU

Year: 3507 Days

Day: 14.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 86,185,776 km

• M1: 154,983 km (0.077 R)
• M2: 638,633 km (0.099 R)
• M3: 1,296,415 km (0.095 R)
• M4: 2,068,490 km (0.097 R)
• M5: 2,781,922 km (0.101 R)
• M6: 3,789,164 km (0.028 R)
• M7: 4,409,846 km (0.083 R)
• M8: 5,569,080 km (0.032 R)
• M9: 6,486,264 km (0.109 R)
• M10: 7,101,411 km (0.091 R)
• M11: 7,564,416 km (0.106 R)
• M12: 9,401,029 km (0.079 R)
• M13: 10,700,137 km (0.113 R)
• M14: 13,841,393 km (0.051 R)
• M15: 15,366,394 km (0.12 R)
• M16: 17,775,369 km (0.111 R)
• M17: 18,864,441 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416

Radius: 9.3

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.32 AU - 5.92 AU

Year: 5022 Days

Day: 6.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,185,776 km

• M1: 115,639 km (0.107 R)
• M2: 509,830 km (0.114 R)
• M3: 832,961 km (0.095 R)
• M4: 1,306,737 km (0.12 R)
• M5: 1,749,547 km (0.071 R)
• M6: 2,649,528 km (0.056 R)
• M7: 2,974,454 km (0.069 R)
• M8: 3,522,132 km (0.083 R)
• M9: 4,003,239 km (0.054 R)
• M10: 4,623,173 km (0.116 R)
• M11: 9,408,360 km (0.098 R)
• M12: 10,047,143 km (0.071 R)
• M13: 11,102,855 km (0.077 R)
• M14: 11,455,906 km (0.034 R)
• M15: 12,137,922 km (0.067 R)
• M16: 12,655,082 km (0.061 R)
• M17: 14,608,082 km (0.118 R)
• M18: 16,927,149 km (0.095 R)
• M19: 17,336,299 km (0.082 R)
• M20: 18,357,155 km (0.087 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 147.2

Radius: 10.9

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 6.82 AU - 10.86 AU

Year: 11393 Days

Day: 11.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 86,185,776 km

• M1: 136,433 km (0.056 R)
• M2: 505,192 km (0.041 R)
• M3: 849,866 km (0.118 R)
• M4: 1,286,990 km (0.096 R)
• M5: 2,131,321 km (0.038 R)
• M6: 2,684,683 km (0.107 R)
• M7: 3,053,592 km (0.063 R)
• M8: 3,759,394 km (0.106 R)
• M9: 4,151,491 km (0.089 R)
• M10: 6,572,433 km (0.088 R)
• M11: 7,075,082 km (0.089 R)
• M12: 7,603,312 km (0.099 R)
• M13: 8,699,116 km (0.079 R)
• M14: 9,264,447 km (0.053 R)
• M15: 9,725,657 km (0.088 R)
• M16: 11,155,364 km (0.093 R)
• M17: 11,677,759 km (0.072 R)
• M18: 12,018,693 km (0.112 R)
• M19: 15,047,601 km (0.08 R)
• M20: 16,523,982 km (0.095 R)
• M21: 18,224,461 km (0.103 R)
• M22: 24,101,863 km (0.059 R)
• M23: 24,496,502 km (0.093 R)
• M24: 25,624,320 km (0.112 R)
• M25: 28,860,122 km (0.117 R)
• M26: 29,305,176 km (0.117 R)
• M27: 31,131,616 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.5

Radius: 6.3

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 11.86 AU - 13.82 AU

Year: 19944 Days

Day: 22.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 86,185,776 km

• M1: 200,760 km (0.098 R)
• M2: 465,698 km (0.082 R)
• M3: 967,150 km (0.09 R)
• M4: 1,883,437 km (0.064 R)
• M5: 3,202,591 km (0.058 R)
• M6: 6,389,923 km (0.089 R)
• M7: 6,676,703 km (0.036 R)
• M8: 12,452,976 km (0.071 R)
• M9: 14,872,272 km (0.116 R)
• M10: 15,669,779 km (0.118 R)
• M11: 16,343,268 km (0.083 R)
• M12: 17,429,050 km (0.046 R)
• M13: 20,002,731 km (0.093 R)
• M14: 28,337,427 km (0.103 R)
• M15: 33,198,460 km (0.071 R)
• M16: 45,728,479 km (0.025 R)
• M17: 50,570,962 km (0.082 R)
• M18: 60,165,122 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 458.3

Radius: 5.8

Gravity: 13.62 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 14.36 AU - 18.96 AU

Year: 29476 Days

Day: 21.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 86,185,776 km

• M1: 199,713 km (0.1 R)
• M2: 431,440 km (0.077 R)
• M3: 720,463 km (0.078 R)
• M4: 1,786,049 km (0.072 R)
• M5: 4,259,650 km (0.068 R)
• M6: 5,792,729 km (0.077 R)
• M7: 6,636,162 km (0.085 R)
• M8: 7,457,753 km (0.108 R)
• M9: 7,919,262 km (0.082 R)
• M10: 8,899,129 km (0.109 R)
• M11: 11,031,197 km (0.059 R)
• M12: 12,676,026 km (0.048 R)
• M13: 13,111,356 km (0.1 R)
• M14: 14,088,978 km (0.073 R)
• M15: 15,769,261 km (0.077 R)
• M16: 16,873,892 km (0.075 R)
• M17: 17,135,987 km (0.091 R)
• M18: 18,395,003 km (0.104 R)
• M19: 18,672,657 km (0.091 R)
• M20: 19,141,646 km (0.113 R)
• M21: 21,913,694 km (0.108 R)
• M22: 22,225,606 km (0.098 R)
• M23: 24,717,159 km (0.04 R)
• M24: 25,282,339 km (0.068 R)
• M25: 25,971,986 km (0.04 R)
• M26: 29,609,159 km (0.11 R)
• M27: 33,297,195 km (0.114 R)
• M28: 34,125,518 km (0.093 R)
• M29: 34,685,314 km (0.03 R)
• M30: 36,839,074 km (0.117 R)
• M31: 37,873,992 km (0.074 R)
• M32: 38,776,366 km (0.068 R)
• M33: 48,250,699 km (0.044 R)
• M34: 52,398,749 km (0.113 R)
• M35: 52,770,200 km (0.115 R)
• M36: 69,115,114 km (0.074 R)
• M37: 70,235,901 km (0.11 R)
• M38: 74,605,505 km (0.105 R)
• M39: 81,370,022 km (0.091 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 12,871 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit