🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.46 AU - 0.62 AU

Year: 252 Days

Day: 46.8 Hours

Environment

Temp: -131 °C

Axial Tilt: 124.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,615,141 km

• M1: 91,853 km (0.07 R)

Asteroid Belt

Center: 0.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.9

Radius: 11

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.3 AU - 1.56 AU

Year: 1087 Days

Day: 12.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,615,141 km

• M1: 136,732 km (0.07 R)
• M2: 579,393 km (0.096 R)
• M3: 995,574 km (0.11 R)
• M4: 1,672,504 km (0.1 R)
• M5: 2,155,257 km (0.088 R)
• M6: 2,864,051 km (0.083 R)
• M7: 3,707,185 km (0.108 R)
• M8: 4,203,251 km (0.113 R)
• M9: 4,586,820 km (0.103 R)
• M10: 4,975,625 km (0.109 R)
• M11: 5,424,868 km (0.1 R)
• M12: 6,824,505 km (0.105 R)
• M13: 7,404,047 km (0.059 R)
• M14: 8,635,088 km (0.12 R)
• M15: 9,092,708 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 99.3

Radius: 10.1

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.57 AU - 1.69 AU

Year: 1323 Days

Day: 9.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,615,141 km

• M1: 125,662 km (0.07 R)
• M2: 458,368 km (0.052 R)
• M3: 825,930 km (0.085 R)
• M4: 1,830,330 km (0.113 R)
• M5: 2,353,623 km (0.079 R)
• M6: 3,458,404 km (0.069 R)
• M7: 3,994,712 km (0.076 R)
• M8: 4,800,446 km (0.104 R)
• M9: 5,184,464 km (0.08 R)
• M10: 5,960,129 km (0.115 R)
• M11: 6,329,037 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.6

Radius: 13

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.36 AU - 3.9 AU

Year: 3521 Days

Day: 8.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,615,141 km

• M1: 162,014 km (0.038 R)
• M2: 701,614 km (0.112 R)
• M3: 1,111,961 km (0.079 R)
• M4: 1,523,505 km (0.088 R)
• M5: 2,140,746 km (0.066 R)
• M6: 2,732,405 km (0.116 R)
• M7: 3,152,027 km (0.045 R)
• M8: 3,747,277 km (0.116 R)
• M9: 4,331,606 km (0.056 R)
• M10: 9,383,826 km (0.089 R)
• M11: 10,045,796 km (0.11 R)
• M12: 11,299,576 km (0.113 R)
• M13: 11,922,053 km (0.054 R)
• M14: 12,523,436 km (0.033 R)
• M15: 13,010,228 km (0.117 R)
• M16: 13,740,864 km (0.083 R)
• M17: 16,097,479 km (0.099 R)
• M18: 19,407,930 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.6

Radius: 14.7

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.49 AU - 4.99 AU

Year: 5551 Days

Day: 5.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,615,141 km

• M1: 182,958 km (0.1 R)
• M2: 1,247,497 km (0.115 R)
• M3: 1,757,326 km (0.109 R)
• M4: 2,892,475 km (0.043 R)
• M5: 4,227,486 km (0.054 R)
• M6: 4,966,500 km (0.11 R)
• M7: 7,531,505 km (0.063 R)
• M8: 9,020,153 km (0.078 R)
• M9: 12,523,586 km (0.094 R)
• M10: 15,523,921 km (0.059 R)
• M11: 18,509,595 km (0.115 R)
• M12: 19,516,389 km (0.105 R)
• M13: 22,832,225 km (0.119 R)
• M14: 23,677,603 km (0.064 R)
• M15: 24,384,752 km (0.072 R)
• M16: 28,396,967 km (0.071 R)
• M17: 29,555,004 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.2

Radius: 14.7

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.36 AU - 6.62 AU

Year: 8179 Days

Day: 7.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,615,141 km

• M1: 184,155 km (0.082 R)
• M2: 667,655 km (0.112 R)
• M3: 1,129,913 km (0.108 R)
• M4: 1,749,846 km (0.068 R)
• M5: 2,381,598 km (0.118 R)
• M6: 2,878,712 km (0.045 R)
• M7: 4,240,202 km (0.036 R)
• M8: 5,065,982 km (0.071 R)
• M9: 5,611,416 km (0.085 R)
• M10: 6,162,535 km (0.106 R)
• M11: 7,838,031 km (0.087 R)
• M12: 8,910,498 km (0.072 R)
• M13: 10,602,899 km (0.099 R)
• M14: 11,245,721 km (0.093 R)
• M15: 12,884,117 km (0.116 R)
• M16: 15,476,199 km (0.1 R)
• M17: 19,768,012 km (0.091 R)
• M18: 20,289,361 km (0.096 R)
• M19: 21,829,471 km (0.096 R)
• M20: 23,446,175 km (0.098 R)
• M21: 27,099,355 km (0.086 R)
• M22: 27,743,224 km (0.115 R)
• M23: 31,116,357 km (0.05 R)
• M24: 34,111,306 km (0.119 R)
• M25: 35,953,604 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.5

Radius: 12.6

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 4.37 AU - 7.09 AU

Year: 8721 Days

Day: 7.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 59,615,141 km

• M1: 156,779 km (0.087 R)
• M2: 639,232 km (0.072 R)
• M3: 1,351,168 km (0.106 R)
• M4: 2,645,339 km (0.094 R)
• M5: 3,315,238 km (0.056 R)
• M6: 4,336,094 km (0.074 R)
• M7: 4,905,165 km (0.066 R)
• M8: 5,785,698 km (0.09 R)
• M9: 9,759,615 km (0.096 R)
• M10: 10,389,871 km (0.059 R)
• M11: 11,254,846 km (0.104 R)
• M12: 12,057,588 km (0.088 R)
• M13: 18,054,369 km (0.099 R)
• M14: 22,975,391 km (0.118 R)
• M15: 25,424,457 km (0.099 R)
• M16: 29,918,826 km (0.103 R)
• M17: 32,406,489 km (0.085 R)
• M18: 34,249,834 km (0.1 R)
• M19: 37,789,769 km (0.11 R)
• M20: 41,692,627 km (0.11 R)
• M21: 42,325,726 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.1

Radius: 4.1

Gravity: 27.55 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 7.82 AU - 7.86 AU

Year: 13957 Days

Day: 18.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,615,141 km

• M1: 51,013 km (0.119 R)
• M2: 250,277 km (0.041 R)
• M3: 861,385 km (0.109 R)
• M4: 1,061,397 km (0.084 R)
• M5: 1,569,730 km (0.118 R)
• M6: 1,920,238 km (0.057 R)
• M7: 2,244,118 km (0.119 R)
• M8: 3,537,990 km (0.112 R)
• M9: 3,829,855 km (0.069 R)
• M10: 4,461,607 km (0.111 R)
• M11: 5,260,759 km (0.059 R)
• M12: 5,819,806 km (0.083 R)
• M13: 6,731,007 km (0.061 R)
• M14: 9,072,961 km (0.088 R)
• M15: 9,874,507 km (0.109 R)
• M16: 10,292,483 km (0.112 R)
• M17: 10,722,128 km (0.063 R)
• M18: 10,886,237 km (0.103 R)
• M19: 11,965,286 km (0.077 R)
• M20: 15,141,698 km (0.05 R)
• M21: 26,724,912 km (0.104 R)
• M22: 27,432,958 km (0.116 R)
• M23: 41,057,884 km (0.086 R)
• M24: 49,757,449 km (0.074 R)
• M25: 49,909,440 km (0.114 R)
• M26: 52,070,232 km (0.107 R)
• M27: 52,541,166 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.9

Radius: 5.3

Gravity: 22.92 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 7.69 AU - 8.25 AU

Year: 14306 Days

Day: 16.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 59,615,141 km

• M1: 65,973 km (0.098 R)
• M2: 287,677 km (0.109 R)
• M3: 594,053 km (0.095 R)
• M4: 1,007,542 km (0.101 R)
• M5: 1,444,367 km (0.096 R)
• M6: 2,406,431 km (0.099 R)
• M7: 2,619,160 km (0.072 R)
• M8: 3,385,400 km (0.112 R)
• M9: 5,001,506 km (0.036 R)
• M10: 5,976,285 km (0.104 R)
• M11: 6,488,359 km (0.075 R)
• M12: 7,114,875 km (0.118 R)
• M13: 7,554,244 km (0.114 R)
• M14: 10,081,849 km (0.059 R)
• M15: 10,863,498 km (0.109 R)
• M16: 12,233,964 km (0.072 R)
• M17: 12,546,474 km (0.116 R)
• M18: 12,736,613 km (0.097 R)
• M19: 13,122,426 km (0.052 R)
• M20: 14,258,173 km (0.104 R)
• M21: 16,647,101 km (0.063 R)
• M22: 17,578,199 km (0.079 R)
• M23: 21,199,664 km (0.097 R)
• M24: 24,491,415 km (0.106 R)
• M25: 26,935,545 km (0.027 R)
• M26: 30,099,989 km (0.047 R)
• M27: 33,625,413 km (0.087 R)
• M28: 34,734,382 km (0.064 R)
• M29: 35,109,423 km (0.075 R)
• M30: 35,740,427 km (0.087 R)
• M31: 35,995,043 km (0.114 R)
• M32: 36,379,061 km (0.119 R)
• M33: 44,645,241 km (0.118 R)
• M34: 47,964,817 km (0.066 R)
• M35: 53,081,214 km (0.12 R)
• M36: 53,578,777 km (0.093 R)
• M37: 54,920,669 km (0.082 R)
• M38: 57,148,930 km (0.115 R)
• M39: 57,322,762 km (0.071 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 544 - 19,044 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit