🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.85 AU - 0.87 AU

Year: 297 Days

Day: 47.8 Hours

Environment

Temp: 108 °C

Axial Tilt: 49.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 97,006,970 km

• M1: 43,982 km (0.081 R)
• M2: 166,652 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.95 AU - 0.97 AU

Year: 351 Days

Day: 34.3 Hours

Environment

Temp: 14 °C

Axial Tilt: 33.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 97,006,970 km

• M1: 53,706 km (0.092 R)
• M2: 314,006 km (0.085 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.91 AU - 1.33 AU

Year: 442 Days

Day: 12.4 Hours

Environment

Temp: 16 °C

Axial Tilt: 24.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 97,006,970 km

• M1: 101,278 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.6

Radius: 9.3

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.25 AU - 6.47 AU

Year: 5979 Days

Day: 9.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 97,006,970 km

• M1: 115,639 km (0.054 R)
• M2: 551,567 km (0.109 R)
• M3: 844,779 km (0.081 R)
• M4: 2,183,531 km (0.117 R)
• M5: 2,555,431 km (0.079 R)
• M6: 3,176,711 km (0.074 R)
• M7: 3,802,329 km (0.115 R)
• M8: 4,633,345 km (0.108 R)
• M9: 5,002,403 km (0.041 R)
• M10: 5,438,182 km (0.059 R)
• M11: 5,799,760 km (0.096 R)
• M12: 6,438,393 km (0.098 R)
• M13: 6,733,849 km (0.07 R)
• M14: 7,123,103 km (0.073 R)
• M15: 8,038,642 km (0.094 R)
• M16: 8,413,384 km (0.091 R)
• M17: 9,367,370 km (0.093 R)
• M18: 9,677,636 km (0.082 R)
• M19: 10,724,522 km (0.114 R)
• M20: 11,450,221 km (0.065 R)
• M21: 13,824,190 km (0.115 R)
• M22: 16,210,874 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159.4

Radius: 4.4

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 12.56 AU - 13.52 AU

Year: 17554 Days

Day: 16.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 97,006,970 km

• M1: 54,753 km (0.074 R)
• M2: 217,366 km (0.048 R)
• M3: 397,482 km (0.043 R)
• M4: 654,491 km (0.105 R)
• M5: 2,155,406 km (0.068 R)
• M6: 3,509,117 km (0.096 R)
• M7: 3,679,808 km (0.099 R)
• M8: 4,171,237 km (0.063 R)
• M9: 6,689,867 km (0.101 R)
• M10: 7,499,042 km (0.078 R)
• M11: 8,328,562 km (0.079 R)
• M12: 9,080,292 km (0.038 R)
• M13: 9,972,942 km (0.101 R)
• M14: 10,266,453 km (0.088 R)
• M15: 10,565,798 km (0.089 R)
• M16: 12,769,375 km (0.07 R)
• M17: 14,500,970 km (0.11 R)
• M18: 17,067,920 km (0.115 R)
• M19: 18,568,387 km (0.062 R)
• M20: 20,232,065 km (0.081 R)
• M21: 20,702,550 km (0.064 R)
• M22: 22,489,945 km (0.115 R)
• M23: 23,249,903 km (0.111 R)
• M24: 28,075,780 km (0.098 R)
• M25: 29,754,717 km (0.033 R)
• M26: 32,449,873 km (0.114 R)
• M27: 33,528,473 km (0.025 R)
• M28: 37,727,087 km (0.119 R)
• M29: 40,629,884 km (0.118 R)
• M30: 42,008,728 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.8

Radius: 3

Gravity: 63.64 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 15.63 AU - 20.13 AU

Year: 28184 Days

Day: 23.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 97,006,970 km

• M1: 37,250 km (0.097 R)
• M2: 163,810 km (0.085 R)
• M3: 268,827 km (0.103 R)
• M4: 945,010 km (0.112 R)
• M5: 1,076,955 km (0.098 R)
• M6: 1,191,248 km (0.117 R)
• M7: 1,378,096 km (0.086 R)
• M8: 1,566,140 km (0.042 R)
• M9: 2,166,476 km (0.1 R)
• M10: 2,617,963 km (0.111 R)
• M11: 2,799,126 km (0.053 R)
• M12: 3,608,600 km (0.064 R)
• M13: 5,462,566 km (0.043 R)
• M14: 6,336,068 km (0.105 R)
• M15: 10,248,950 km (0.088 R)
• M16: 11,914,573 km (0.027 R)
• M17: 12,848,064 km (0.103 R)
• M18: 16,368,251 km (0.057 R)
• M19: 17,070,613 km (0.087 R)
• M20: 19,589,093 km (0.109 R)
• M21: 25,231,177 km (0.111 R)
• M22: 26,048,879 km (0.102 R)
• M23: 31,328,936 km (0.093 R)
• M24: 32,136,914 km (0.116 R)
• M25: 36,534,343 km (0.104 R)
• M26: 37,429,238 km (0.119 R)
• M27: 37,579,883 km (0.12 R)
• M28: 38,033,912 km (0.05 R)
• M29: 49,696,861 km (0.119 R)
• M30: 50,243,941 km (0.05 R)
• M31: 56,528,847 km (0.033 R)
• M32: 68,132,555 km (0.097 R)
• M33: 68,357,101 km (0.106 R)
• M34: 72,482,712 km (0.098 R)
• M35: 75,563,380 km (0.112 R)
• M36: 79,722,052 km (0.09 R)
• M37: 80,471,537 km (0.058 R)
• M38: 83,773,162 km (0.069 R)
• M39: 86,636,316 km (0.06 R)
• M40: 88,225,344 km (0.115 R)
• M41: 89,027,039 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.9

Radius: 7.3

Gravity: 12.55 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 13.78 AU - 22.78 AU

Year: 29135 Days

Day: 23.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 97,006,970 km

• M1: 90,806 km (0.101 R)
• M2: 324,029 km (0.119 R)
• M3: 1,380,938 km (0.108 R)
• M4: 1,735,934 km (0.073 R)
• M5: 2,195,648 km (0.102 R)
• M6: 3,510,763 km (0.095 R)
• M7: 4,036,001 km (0.083 R)
• M8: 6,200,832 km (0.054 R)
• M9: 7,118,315 km (0.107 R)
• M10: 9,462,813 km (0.061 R)
• M11: 10,088,880 km (0.11 R)
• M12: 11,147,435 km (0.053 R)
• M13: 11,774,400 km (0.067 R)
• M14: 12,132,836 km (0.107 R)
• M15: 13,955,237 km (0.075 R)
• M16: 14,275,676 km (0.105 R)
• M17: 17,019,750 km (0.101 R)
• M18: 17,570,719 km (0.114 R)
• M19: 19,894,273 km (0.069 R)
• M20: 25,496,713 km (0.062 R)
• M21: 25,976,174 km (0.117 R)
• M22: 35,516,180 km (0.077 R)
• M23: 39,843,149 km (0.079 R)
• M24: 42,634,645 km (0.046 R)
• M25: 43,309,930 km (0.111 R)
• M26: 55,706,806 km (0.044 R)
• M27: 57,944,641 km (0.109 R)
• M28: 59,399,630 km (0.112 R)
• M29: 62,599,079 km (0.091 R)
• M30: 67,041,239 km (0.085 R)
• M31: 71,214,720 km (0.11 R)
• M32: 72,643,529 km (0.066 R)
• M33: 88,817,453 km (0.114 R)
• M34: 89,642,335 km (0.105 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 14,180 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit