🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.25 AU - 1.51 AU

Year: 729 Days

Day: 45.6 Hours

Environment

Temp: -101 °C

Axial Tilt: 4.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.88 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.9

Radius: 14.8

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.79 AU - 2.95 AU

Year: 1640 Days

Day: 11.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 39,036,315 km

• M1: 184,005 km (0.106 R)
• M2: 772,224 km (0.071 R)
• M3: 1,545,944 km (0.056 R)
• M4: 2,343,151 km (0.059 R)
• M5: 2,869,138 km (0.106 R)
• M6: 3,694,469 km (0.073 R)
• M7: 4,999,411 km (0.09 R)
• M8: 5,596,756 km (0.079 R)
• M9: 7,906,547 km (0.112 R)
• M10: 8,639,127 km (0.057 R)
• M11: 10,059,709 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.7

Radius: 14.1

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.37 AU - 3.65 AU

Year: 2957 Days

Day: 5.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,036,315 km

• M1: 175,628 km (0.105 R)
• M2: 711,188 km (0.054 R)
• M3: 1,761,365 km (0.101 R)
• M4: 2,711,761 km (0.091 R)
• M5: 3,303,719 km (0.109 R)
• M6: 4,773,369 km (0.078 R)
• M7: 5,693,695 km (0.07 R)
• M8: 6,874,471 km (0.088 R)
• M9: 11,692,570 km (0.088 R)
• M10: 12,464,794 km (0.115 R)
• M11: 13,686,859 km (0.117 R)
• M12: 18,057,660 km (0.099 R)
• M13: 19,502,326 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.4

Radius: 10.4

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 4.6 AU - 4.66 AU

Year: 4479 Days

Day: 14.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,036,315 km

• M1: 129,851 km (0.108 R)
• M2: 526,884 km (0.028 R)
• M3: 1,025,344 km (0.068 R)
• M4: 1,491,042 km (0.094 R)
• M5: 2,199,687 km (0.063 R)
• M6: 4,319,938 km (0.086 R)
• M7: 6,998,039 km (0.11 R)
• M8: 9,314,412 km (0.049 R)
• M9: 10,163,530 km (0.083 R)
• M10: 11,761,833 km (0.078 R)
• M11: 13,111,206 km (0.069 R)
• M12: 15,400,054 km (0.114 R)
• M13: 18,506,453 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.6

Radius: 13.1

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 5.55 AU - 6.77 AU

Year: 6874 Days

Day: 8.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,036,315 km

• M1: 162,912 km (0.091 R)
• M2: 1,079,049 km (0.064 R)
• M3: 1,582,596 km (0.118 R)
• M4: 3,812,951 km (0.093 R)
• M5: 4,576,947 km (0.116 R)
• M6: 5,772,383 km (0.09 R)
• M7: 6,246,609 km (0.117 R)
• M8: 8,530,370 km (0.05 R)
• M9: 9,189,648 km (0.036 R)
• M10: 10,379,100 km (0.111 R)
• M11: 13,332,162 km (0.08 R)
• M12: 13,771,681 km (0.074 R)
• M13: 17,776,715 km (0.114 R)
• M14: 19,198,792 km (0.107 R)
• M15: 20,332,146 km (0.085 R)
• M16: 21,211,033 km (0.082 R)
• M17: 22,966,265 km (0.086 R)
• M18: 23,598,915 km (0.083 R)
• M19: 27,464,972 km (0.071 R)
• M20: 28,720,697 km (0.069 R)
• M21: 29,455,372 km (0.07 R)
• M22: 30,485,802 km (0.115 R)
• M23: 31,153,906 km (0.107 R)
• M24: 33,317,690 km (0.101 R)
• M25: 33,924,758 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.2

Radius: 8.2

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.85 AU - 6.99 AU

Year: 7313 Days

Day: 8.4 Hours

Environment

Temp: -180 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,036,315 km

• M1: 102,026 km (0.111 R)
• M2: 384,018 km (0.101 R)
• M3: 649,853 km (0.093 R)
• M4: 951,143 km (0.111 R)
• M5: 1,223,262 km (0.077 R)
• M6: 1,706,313 km (0.086 R)
• M7: 2,085,544 km (0.058 R)
• M8: 2,672,566 km (0.036 R)
• M9: 3,635,228 km (0.111 R)
• M10: 4,314,403 km (0.102 R)
• M11: 4,583,828 km (0.098 R)
• M12: 5,834,467 km (0.084 R)
• M13: 6,602,652 km (0.084 R)
• M14: 9,191,592 km (0.069 R)
• M15: 9,474,781 km (0.118 R)
• M16: 12,836,096 km (0.092 R)
• M17: 13,760,012 km (0.066 R)
• M18: 14,238,277 km (0.093 R)
• M19: 15,171,767 km (0.095 R)
• M20: 16,797,597 km (0.085 R)
• M21: 17,902,078 km (0.111 R)
• M22: 18,664,878 km (0.11 R)
• M23: 19,119,655 km (0.076 R)
• M24: 21,576,650 km (0.057 R)
• M25: 24,855,985 km (0.095 R)
• M26: 26,532,379 km (0.089 R)
• M27: 27,107,433 km (0.113 R)
• M28: 27,774,939 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 311.5

Radius: 5.3

Gravity: 11.09 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 9.52 AU - 13.44 AU

Year: 17488 Days

Day: 19.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,036,315 km

• M1: 70,760 km (0.071 R)
• M2: 1,016,069 km (0.079 R)
• M3: 1,277,117 km (0.113 R)
• M4: 2,166,177 km (0.11 R)
• M5: 3,091,739 km (0.11 R)
• M6: 4,053,354 km (0.109 R)
• M7: 4,404,012 km (0.091 R)
• M8: 4,838,594 km (0.045 R)
• M9: 7,030,053 km (0.069 R)
• M10: 12,017,047 km (0.064 R)
• M11: 12,435,323 km (0.118 R)
• M12: 17,166,505 km (0.049 R)
• M13: 25,718,268 km (0.118 R)
• M14: 30,841,845 km (0.102 R)
• M15: 43,885,583 km (0.061 R)
• M16: 48,836,374 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.3

Radius: 3.7

Gravity: 14.41 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 12.08 AU - 14.3 AU

Year: 21537 Days

Day: 21 Hours

Environment

Temp: -215 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,036,315 km

• M1: 74,051 km (0.095 R)
• M2: 250,128 km (0.082 R)
• M3: 2,569,044 km (0.096 R)
• M4: 3,628,347 km (0.116 R)
• M5: 4,298,545 km (0.06 R)
• M6: 5,383,579 km (0.085 R)
• M7: 6,175,849 km (0.116 R)
• M8: 6,482,375 km (0.032 R)
• M9: 7,766,074 km (0.037 R)
• M10: 11,668,634 km (0.034 R)
• M11: 15,072,883 km (0.101 R)
• M12: 23,660,250 km (0.11 R)
• M13: 31,532,688 km (0.071 R)
• M14: 41,118,770 km (0.082 R)
• M15: 43,577,112 km (0.058 R)
• M16: 52,476,240 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 47.3

Radius: 7.4

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 15.59 AU - 15.81 AU

Year: 27968 Days

Day: 15.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,036,315 km

• M1: 92,003 km (0.115 R)
• M2: 342,579 km (0.086 R)
• M3: 686,056 km (0.036 R)
• M4: 946,955 km (0.092 R)
• M5: 1,416,542 km (0.071 R)
• M6: 2,048,743 km (0.053 R)
• M7: 3,640,763 km (0.05 R)
• M8: 4,007,727 km (0.087 R)
• M9: 8,420,116 km (0.106 R)
• M10: 9,508,889 km (0.081 R)
• M11: 16,919,070 km (0.085 R)
• M12: 17,322,985 km (0.054 R)
• M13: 17,871,410 km (0.111 R)
• M14: 20,788,569 km (0.099 R)
• M15: 29,246,234 km (0.115 R)
• M16: 34,118,487 km (0.111 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 18,458 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit