🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.59 AU - 0.93 AU

Year: 291 Days

Day: 45.2 Hours

Environment

Temp: -40 °C

Axial Tilt: 140 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.41 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.9

Radius: 10.5

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.45 AU - 4.65 AU

Year: 3584 Days

Day: 8.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 73,302,150 km

• M1: 130,599 km (0.069 R)
• M2: 486,193 km (0.09 R)
• M3: 1,349,822 km (0.08 R)
• M4: 1,749,846 km (0.095 R)
• M5: 2,094,969 km (0.116 R)
• M6: 3,361,315 km (0.05 R)
• M7: 3,741,144 km (0.073 R)
• M8: 4,128,303 km (0.108 R)
• M9: 4,771,274 km (0.099 R)
• M10: 5,713,292 km (0.025 R)
• M11: 7,197,752 km (0.111 R)
• M12: 7,734,659 km (0.117 R)
• M13: 8,163,107 km (0.103 R)
• M14: 10,115,210 km (0.08 R)
• M15: 10,468,410 km (0.064 R)
• M16: 11,748,968 km (0.114 R)
• M17: 12,227,532 km (0.035 R)
• M18: 12,764,438 km (0.09 R)
• M19: 13,694,189 km (0.101 R)
• M20: 19,150,771 km (0.116 R)
• M21: 20,743,390 km (0.116 R)
• M22: 21,443,209 km (0.084 R)
• M23: 21,831,565 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.9

Radius: 11.1

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.75 AU - 4.49 AU

Year: 3677 Days

Day: 12 Hours

Environment

Temp: -154 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,302,150 km

• M1: 138,228 km (0.117 R)
• M2: 687,552 km (0.068 R)
• M3: 1,412,054 km (0.109 R)
• M4: 2,089,733 km (0.09 R)
• M5: 2,642,946 km (0.03 R)
• M6: 3,292,051 km (0.085 R)
• M7: 3,889,694 km (0.118 R)
• M8: 4,390,249 km (0.093 R)
• M9: 5,889,967 km (0.067 R)
• M10: 6,740,880 km (0.086 R)
• M11: 7,397,465 km (0.12 R)
• M12: 7,882,013 km (0.05 R)
• M13: 8,536,055 km (0.083 R)
• M14: 9,265,344 km (0.054 R)
• M15: 11,293,293 km (0.063 R)
• M16: 11,658,012 km (0.049 R)
• M17: 12,124,907 km (0.06 R)
• M18: 13,703,763 km (0.107 R)
• M19: 15,249,109 km (0.087 R)
• M20: 16,671,935 km (0.117 R)
• M21: 20,647,648 km (0.081 R)
• M22: 22,386,873 km (0.075 R)
• M23: 23,255,438 km (0.082 R)
• M24: 24,676,468 km (0.064 R)
• M25: 27,036,973 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.1

Radius: 12.5

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 4.12 AU - 4.74 AU

Year: 4100 Days

Day: 7.5 Hours

Environment

Temp: -160 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,302,150 km

• M1: 163,211 km (0.098 R)
• M2: 593,156 km (0.086 R)
• M3: 1,354,908 km (0.098 R)
• M4: 1,756,279 km (0.092 R)
• M5: 3,676,068 km (0.119 R)
• M6: 4,183,056 km (0.065 R)
• M7: 5,194,786 km (0.101 R)
• M8: 5,632,809 km (0.104 R)
• M9: 6,336,218 km (0.111 R)
• M10: 6,865,794 km (0.11 R)
• M11: 10,688,169 km (0.119 R)
• M12: 11,684,940 km (0.036 R)
• M13: 13,317,502 km (0.101 R)
• M14: 14,282,558 km (0.069 R)
• M15: 15,146,186 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.5

Radius: 12.7

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.14 AU - 6.22 AU

Year: 5952 Days

Day: 10.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 73,302,150 km

• M1: 158,275 km (0.118 R)
• M2: 556,803 km (0.076 R)
• M3: 1,103,434 km (0.086 R)
• M4: 1,515,875 km (0.105 R)
• M5: 2,231,851 km (0.082 R)
• M6: 2,889,932 km (0.089 R)
• M7: 3,433,570 km (0.117 R)
• M8: 4,141,318 km (0.101 R)
• M9: 4,972,035 km (0.054 R)
• M10: 7,354,381 km (0.049 R)
• M11: 7,985,684 km (0.087 R)
• M12: 9,921,032 km (0.114 R)
• M13: 11,503,927 km (0.092 R)
• M14: 12,666,302 km (0.073 R)
• M15: 13,088,467 km (0.057 R)
• M16: 15,701,493 km (0.119 R)
• M17: 16,250,817 km (0.081 R)
• M18: 19,399,702 km (0.088 R)
• M19: 22,471,096 km (0.071 R)
• M20: 23,642,447 km (0.087 R)
• M21: 24,041,874 km (0.053 R)
• M22: 28,377,220 km (0.088 R)
• M23: 28,828,557 km (0.09 R)
• M24: 32,122,702 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.8

Radius: 13.1

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.96 AU - 6.86 AU

Year: 6318 Days

Day: 8.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,302,150 km

• M1: 162,912 km (0.067 R)
• M2: 766,839 km (0.068 R)
• M3: 1,481,169 km (0.063 R)
• M4: 1,913,207 km (0.098 R)
• M5: 2,685,431 km (0.069 R)
• M6: 3,208,725 km (0.095 R)
• M7: 4,198,763 km (0.075 R)
• M8: 4,936,580 km (0.09 R)
• M9: 6,020,118 km (0.089 R)
• M10: 8,362,072 km (0.116 R)
• M11: 8,869,059 km (0.063 R)
• M12: 10,906,582 km (0.084 R)
• M13: 13,523,947 km (0.095 R)
• M14: 14,283,455 km (0.097 R)
• M15: 15,009,454 km (0.042 R)
• M16: 15,696,557 km (0.109 R)
• M17: 16,404,454 km (0.062 R)
• M18: 16,999,404 km (0.08 R)
• M19: 17,540,201 km (0.054 R)
• M20: 21,575,454 km (0.118 R)
• M21: 24,018,836 km (0.069 R)
• M22: 28,587,106 km (0.093 R)
• M23: 29,064,024 km (0.116 R)
• M24: 34,666,614 km (0.057 R)
• M25: 37,096,083 km (0.107 R)
• M26: 38,237,066 km (0.077 R)
• M27: 38,700,072 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134.6

Radius: 10.7

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 8.1 AU - 9.94 AU

Year: 11912 Days

Day: 12.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,302,150 km

• M1: 133,142 km (0.092 R)
• M2: 638,035 km (0.087 R)
• M3: 1,305,391 km (0.101 R)
• M4: 1,649,317 km (0.067 R)
• M5: 2,069,387 km (0.119 R)
• M6: 2,629,482 km (0.099 R)
• M7: 3,517,196 km (0.082 R)
• M8: 4,125,012 km (0.047 R)
• M9: 6,375,562 km (0.097 R)
• M10: 6,901,847 km (0.078 R)
• M11: 7,457,005 km (0.109 R)
• M12: 8,230,576 km (0.076 R)
• M13: 13,445,857 km (0.093 R)
• M14: 16,217,606 km (0.112 R)
• M15: 17,833,263 km (0.103 R)
• M16: 18,220,721 km (0.119 R)
• M17: 19,214,351 km (0.064 R)
• M18: 23,321,410 km (0.051 R)
• M19: 25,294,457 km (0.072 R)
• M20: 27,806,055 km (0.108 R)
• M21: 29,211,378 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 761.8

Radius: 3.7

Gravity: 55.65 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 9.14 AU - 12.98 AU

Year: 16173 Days

Day: 20.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 73,302,150 km

• M1: 83,775 km (0.034 R)
• M2: 245,939 km (0.11 R)
• M3: 609,611 km (0.093 R)
• M4: 910,901 km (0.087 R)
• M5: 1,140,235 km (0.109 R)
• M6: 1,377,048 km (0.074 R)
• M7: 1,515,127 km (0.025 R)
• M8: 1,855,612 km (0.102 R)
• M9: 2,616,766 km (0.078 R)
• M10: 3,426,090 km (0.053 R)
• M11: 3,739,199 km (0.055 R)
• M12: 3,857,680 km (0.108 R)
• M13: 5,184,763 km (0.086 R)
• M14: 5,870,819 km (0.057 R)
• M15: 6,921,145 km (0.075 R)
• M16: 7,328,201 km (0.097 R)
• M17: 7,560,976 km (0.077 R)
• M18: 11,115,122 km (0.118 R)
• M19: 12,183,550 km (0.103 R)
• M20: 13,181,667 km (0.081 R)
• M21: 13,387,663 km (0.109 R)
• M22: 17,971,192 km (0.108 R)
• M23: 18,309,433 km (0.056 R)
• M24: 18,651,863 km (0.085 R)
• M25: 19,173,510 km (0.041 R)
• M26: 19,526,561 km (0.08 R)
• M27: 20,428,337 km (0.09 R)
• M28: 20,889,398 km (0.071 R)
• M29: 26,428,558 km (0.118 R)
• M30: 27,419,195 km (0.065 R)
• M31: 31,507,256 km (0.09 R)
• M32: 39,003,157 km (0.104 R)
• M33: 41,156,319 km (0.061 R)
• M34: 47,122,731 km (0.06 R)
• M35: 56,840,609 km (0.056 R)
• M36: 60,543,455 km (0.079 R)
• M37: 60,922,386 km (0.104 R)
• M38: 64,403,978 km (0.114 R)
• M39: 66,797,095 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 727.8

Radius: 4.3

Gravity: 39.36 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 9.65 AU - 14.41 AU

Year: 18347 Days

Day: 20.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,302,150 km

• M1: 128,953 km (0.106 R)
• M2: 300,692 km (0.098 R)
• M3: 487,839 km (0.102 R)
• M4: 675,285 km (0.107 R)
• M5: 910,303 km (0.085 R)
• M6: 1,610,271 km (0.072 R)
• M7: 2,453,704 km (0.113 R)
• M8: 3,275,445 km (0.078 R)
• M9: 3,733,813 km (0.086 R)
• M10: 4,201,007 km (0.108 R)
• M11: 4,919,376 km (0.102 R)
• M12: 5,519,114 km (0.109 R)
• M13: 7,229,766 km (0.088 R)
• M14: 10,652,715 km (0.069 R)
• M15: 11,333,086 km (0.062 R)
• M16: 16,113,635 km (0.052 R)
• M17: 17,175,032 km (0.095 R)
• M18: 17,936,486 km (0.119 R)
• M19: 22,580,901 km (0.091 R)
• M20: 29,976,870 km (0.082 R)
• M21: 31,577,418 km (0.096 R)
• M22: 40,145,636 km (0.104 R)
• M23: 42,239,557 km (0.117 R)
• M24: 45,355,531 km (0.113 R)
• M25: 48,287,949 km (0.095 R)
• M26: 51,865,731 km (0.118 R)
• M27: 52,919,499 km (0.119 R)
• M28: 54,707,493 km (0.038 R)
• M29: 62,855,041 km (0.073 R)
• M30: 73,302,209 km (0.096 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 509 - 14,166 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit