🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.98 AU - 1.08 AU

Year: 390 Days

Day: 23 Hours

Environment

Temp: 19 °C

Axial Tilt: 37.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 68,246,780 km

• M1: 383,719 km (0.064 R)
• M2: 417,079 km (0.066 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.97 AU - 1.53 AU

Year: 521 Days

Day: 34.1 Hours

Environment

Temp: -10 °C

Axial Tilt: 41.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 68,246,780 km

• M1: 45,627 km (0.116 R)
• M2: 1,189,153 km (0.109 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.51 AU - 3.05 AU

Year: 1728 Days

Day: 38.5 Hours

Environment

Temp: -112 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 63.9

Radius: 12.9

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 7.59 AU - 9.89 AU

Year: 9632 Days

Day: 14.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,246,780 km

• M1: 183,407 km (0.111 R)
• M2: 920,027 km (0.11 R)
• M3: 1,454,540 km (0.086 R)
• M4: 2,117,857 km (0.061 R)
• M5: 3,198,851 km (0.1 R)
• M6: 5,130,459 km (0.119 R)
• M7: 6,115,860 km (0.101 R)
• M8: 8,196,916 km (0.104 R)
• M9: 11,098,965 km (0.083 R)
• M10: 12,123,112 km (0.08 R)
• M11: 16,087,157 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.6

Radius: 8.5

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 8.1 AU - 10.38 AU

Year: 10470 Days

Day: 14.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,246,780 km

• M1: 188,643 km (0.11 R)
• M2: 545,135 km (0.062 R)
• M3: 828,772 km (0.095 R)
• M4: 3,029,357 km (0.09 R)
• M5: 3,970,477 km (0.071 R)
• M6: 4,376,037 km (0.075 R)
• M7: 4,547,775 km (0.117 R)
• M8: 4,881,379 km (0.078 R)
• M9: 5,735,882 km (0.078 R)
• M10: 6,065,894 km (0.037 R)
• M11: 6,336,816 km (0.055 R)
• M12: 6,730,857 km (0.106 R)
• M13: 7,137,015 km (0.096 R)
• M14: 7,381,608 km (0.091 R)
• M15: 9,657,291 km (0.077 R)
• M16: 10,701,783 km (0.117 R)
• M17: 13,583,337 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76.7

Radius: 5.1

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 13.44 AU - 14.12 AU

Year: 19069 Days

Day: 23 Hours

Environment

Temp: -201 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,246,780 km

• M1: 82,129 km (0.083 R)
• M2: 204,201 km (0.071 R)
• M3: 338,091 km (0.107 R)
• M4: 608,714 km (0.108 R)
• M5: 904,469 km (0.094 R)
• M6: 1,411,905 km (0.109 R)
• M7: 2,089,134 km (0.063 R)
• M8: 2,667,928 km (0.067 R)
• M9: 2,823,959 km (0.115 R)
• M10: 3,025,318 km (0.101 R)
• M11: 3,449,428 km (0.046 R)
• M12: 3,717,657 km (0.094 R)
• M13: 4,944,658 km (0.044 R)
• M14: 5,211,242 km (0.071 R)
• M15: 6,053,927 km (0.076 R)
• M16: 8,098,481 km (0.075 R)
• M17: 10,674,406 km (0.063 R)
• M18: 14,498,577 km (0.076 R)
• M19: 15,605,003 km (0.068 R)
• M20: 17,143,766 km (0.105 R)
• M21: 17,589,718 km (0.101 R)
• M22: 19,169,471 km (0.095 R)
• M23: 22,308,184 km (0.108 R)
• M24: 23,273,390 km (0.089 R)
• M25: 26,353,011 km (0.095 R)
• M26: 28,280,281 km (0.112 R)
• M27: 33,499,601 km (0.088 R)
• M28: 33,637,530 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 498.3

Radius: 7.8

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 14.82 AU - 20.04 AU

Year: 27127 Days

Day: 21.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 68,246,780 km

• M1: 102,325 km (0.087 R)
• M2: 606,619 km (0.114 R)
• M3: 760,406 km (0.098 R)
• M4: 985,551 km (0.066 R)
• M5: 1,405,622 km (0.109 R)
• M6: 2,214,348 km (0.079 R)
• M7: 2,691,266 km (0.103 R)
• M8: 3,447,034 km (0.077 R)
• M9: 4,412,688 km (0.106 R)
• M10: 4,566,176 km (0.106 R)
• M11: 7,385,497 km (0.099 R)
• M12: 8,619,680 km (0.101 R)
• M13: 11,132,924 km (0.051 R)
• M14: 12,063,871 km (0.112 R)
• M15: 13,834,512 km (0.111 R)
• M16: 14,175,745 km (0.045 R)
• M17: 15,296,083 km (0.04 R)
• M18: 20,784,679 km (0.068 R)
• M19: 21,966,503 km (0.119 R)
• M20: 23,005,759 km (0.092 R)
• M21: 26,738,375 km (0.104 R)
• M22: 27,212,750 km (0.065 R)
• M23: 30,550,129 km (0.074 R)
• M24: 32,812,797 km (0.088 R)
• M25: 34,940,079 km (0.093 R)
• M26: 37,245,980 km (0.027 R)
• M27: 38,710,394 km (0.07 R)
• M28: 39,281,110 km (0.099 R)
• M29: 39,625,634 km (0.102 R)
• M30: 45,219,248 km (0.088 R)
• M31: 48,599,860 km (0.107 R)
• M32: 49,753,858 km (0.034 R)
• M33: 50,012,214 km (0.092 R)
• M34: 52,102,694 km (0.101 R)
• M35: 52,897,657 km (0.103 R)
• M36: 53,297,383 km (0.06 R)
• M37: 53,832,644 km (0.111 R)
• M38: 54,640,772 km (0.1 R)
• M39: 65,102,450 km (0.102 R)
• M40: 71,912,744 km (0.093 R)
• M41: 74,415,965 km (0.092 R)
• M42: 78,575,085 km (0.12 R)
• M43: 78,899,712 km (0.029 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 248.9

Radius: 7.3

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 17.7 AU - 18.06 AU

Year: 28184 Days

Day: 20.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 68,246,780 km

• M1: 140,472 km (0.066 R)
• M2: 319,990 km (0.118 R)
• M3: 571,763 km (0.061 R)
• M4: 900,579 km (0.044 R)
• M5: 1,583,643 km (0.064 R)
• M6: 1,770,790 km (0.084 R)
• M7: 2,423,486 km (0.062 R)
• M8: 3,039,530 km (0.055 R)
• M9: 4,181,859 km (0.06 R)
• M10: 4,662,816 km (0.113 R)
• M11: 5,022,599 km (0.093 R)
• M12: 8,156,076 km (0.093 R)
• M13: 8,344,719 km (0.118 R)
• M14: 9,829,178 km (0.058 R)
• M15: 10,140,791 km (0.119 R)
• M16: 11,885,551 km (0.12 R)
• M17: 13,106,419 km (0.117 R)
• M18: 15,533,345 km (0.076 R)
• M19: 15,924,993 km (0.048 R)
• M20: 16,321,726 km (0.053 R)
• M21: 17,061,637 km (0.116 R)
• M22: 17,610,213 km (0.116 R)
• M23: 25,285,630 km (0.057 R)
• M24: 27,313,878 km (0.092 R)
• M25: 27,486,514 km (0.083 R)
• M26: 28,357,473 km (0.114 R)
• M27: 29,331,355 km (0.118 R)
• M28: 32,164,739 km (0.098 R)
• M29: 35,324,844 km (0.082 R)
• M30: 36,212,409 km (0.034 R)
• M31: 38,224,350 km (0.062 R)
• M32: 40,290,895 km (0.074 R)
• M33: 40,500,482 km (0.04 R)
• M34: 42,197,221 km (0.075 R)
• M35: 42,627,016 km (0.078 R)
• M36: 43,601,646 km (0.109 R)
• M37: 43,819,759 km (0.031 R)
• M38: 45,361,665 km (0.118 R)
• M39: 48,181,585 km (0.114 R)
• M40: 50,381,870 km (0.111 R)
• M41: 52,272,787 km (0.1 R)
• M42: 56,654,808 km (0.077 R)
• M43: 57,152,670 km (0.092 R)
• M44: 65,414,212 km (0.113 R)
• M45: 66,351,742 km (0.087 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 10,760 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit