🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.6 AU - 0.96 AU

Year: 252 Days

Day: 33.4 Hours

Environment

Temp: 164 °C

Axial Tilt: 17.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 45,341,735 km

• M1: 175,927 km (0.061 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.74 AU - 0.9 AU

Year: 271 Days

Day: 47.9 Hours

Environment

Temp: 184 °C

Axial Tilt: 25.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.13 AU - 1.31 AU

Year: 492 Days

Day: 32.2 Hours

Environment

Temp: 1 °C

Axial Tilt: 9.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 45,341,735 km

• M1: 588,668 km (0.084 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.36 AU - 3.64 AU

Year: 1898 Days

Day: 40.4 Hours

Environment

Temp: -112 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 12.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.9

Radius: 8.7

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 11.45 AU - 13.13 AU

Year: 15737 Days

Day: 5.5 Hours

Environment

Temp: -193 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 45,341,735 km

• M1: 155,582 km (0.038 R)
• M2: 289,472 km (0.069 R)
• M3: 411,394 km (0.097 R)
• M4: 519,703 km (0.071 R)
• M5: 1,093,112 km (0.063 R)
• M6: 1,607,878 km (0.095 R)
• M7: 1,734,587 km (0.111 R)
• M8: 1,971,102 km (0.112 R)
• M9: 2,079,560 km (0.104 R)
• M10: 2,134,612 km (0.085 R)
• M11: 2,388,330 km (0.105 R)
• M12: 3,017,688 km (0.11 R)
• M13: 3,302,822 km (0.119 R)
• M14: 5,645,375 km (0.051 R)
• M15: 5,917,942 km (0.063 R)
• M16: 7,218,396 km (0.084 R)
• M17: 7,429,329 km (0.066 R)
• M18: 7,814,245 km (0.11 R)
• M19: 8,161,910 km (0.043 R)
• M20: 8,425,950 km (0.101 R)
• M21: 8,603,523 km (0.094 R)
• M22: 8,782,442 km (0.071 R)
• M23: 9,556,162 km (0.097 R)
• M24: 10,781,519 km (0.117 R)
• M25: 10,926,030 km (0.081 R)
• M26: 12,507,728 km (0.064 R)
• M27: 12,863,173 km (0.091 R)
• M28: 12,965,348 km (0.112 R)
• M29: 15,172,665 km (0.118 R)
• M30: 15,334,679 km (0.117 R)
• M31: 15,388,834 km (0.053 R)
• M32: 15,551,746 km (0.056 R)
• M33: 15,879,216 km (0.109 R)
• M34: 16,374,534 km (0.096 R)
• M35: 17,211,534 km (0.106 R)
• M36: 17,550,224 km (0.095 R)
• M37: 17,663,619 km (0.094 R)
• M38: 18,119,593 km (0.025 R)
• M39: 18,868,779 km (0.049 R)
• M40: 19,159,598 km (0.12 R)
• M41: 19,686,930 km (0.077 R)
• M42: 20,041,028 km (0.06 R)
• M43: 20,218,900 km (0.088 R)
• M44: 20,278,291 km (0.085 R)
• M45: 20,516,600 km (0.108 R)
• M46: 20,935,773 km (0.108 R)
• M47: 22,026,491 km (0.09 R)
• M48: 22,271,383 km (0.086 R)
• M49: 22,702,075 km (0.083 R)
• M50: 23,322,158 km (0.112 R)
• M51: 23,885,095 km (0.078 R)
• M52: 24,579,080 km (0.096 R)
• M53: 26,635,602 km (0.112 R)
• M54: 26,831,126 km (0.12 R)
• M55: 26,961,875 km (0.064 R)
• M56: 27,882,500 km (0.051 R)
• M57: 28,746,577 km (0.034 R)
• M58: 29,686,949 km (0.087 R)
• M59: 29,889,804 km (0.11 R)
• M60: 30,842,443 km (0.081 R)
• M61: 34,395,991 km (0.085 R)
• M62: 35,107,778 km (0.114 R)
• M63: 36,690,972 km (0.091 R)
• M64: 36,908,637 km (0.05 R)
• M65: 37,054,046 km (0.038 R)
• M66: 37,930,091 km (0.098 R)
• M67: 38,518,011 km (0.118 R)
• M68: 38,665,514 km (0.106 R)
• M69: 38,960,970 km (0.117 R)
• M70: 39,405,575 km (0.077 R)
• M71: 39,479,776 km (0.083 R)
• M72: 39,851,826 km (0.089 R)
• M73: 39,926,325 km (0.102 R)
• M74: 40,075,624 km (0.082 R)
• M75: 40,449,469 km (0.074 R)
• M76: 40,899,609 km (0.102 R)
• M77: 41,502,488 km (0.1 R)
• M78: 42,716,924 km (0.118 R)
• M79: 43,405,224 km (0.111 R)
• M80: 45,103,010 km (0.101 R)
• M81: 46,194,626 km (0.114 R)
• M82: 46,901,027 km (0.109 R)
• M83: 47,374,055 km (0.086 R)
• M84: 47,611,018 km (0.041 R)
• M85: 48,802,266 km (0.112 R)
• M86: 49,521,682 km (0.099 R)
• M87: 49,682,051 km (0.11 R)
• M88: 50,164,056 km (0.041 R)
• M89: 50,809,271 km (0.078 R)
• M90: 51,051,919 km (0.037 R)
• M91: 52,843,054 km (0.034 R)
• M92: 54,241,346 km (0.072 R)
• M93: 55,485,102 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164.3

Radius: 5

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 12.53 AU - 15.13 AU

Year: 18786 Days

Day: 24.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 45,341,735 km

• M1: 121,773 km (0.103 R)
• M2: 274,362 km (0.086 R)
• M3: 583,731 km (0.109 R)
• M4: 630,405 km (0.085 R)
• M5: 955,182 km (0.105 R)
• M6: 1,387,969 km (0.094 R)
• M7: 1,646,923 km (0.117 R)
• M8: 1,874,312 km (0.119 R)
• M9: 2,588,193 km (0.066 R)
• M10: 2,640,253 km (0.047 R)
• M11: 2,825,305 km (0.117 R)
• M12: 2,960,093 km (0.098 R)
• M13: 3,292,051 km (0.032 R)
• M14: 3,348,599 km (0.069 R)
• M15: 3,491,315 km (0.063 R)
• M16: 4,021,340 km (0.118 R)
• M17: 4,513,368 km (0.11 R)
• M18: 4,862,529 km (0.115 R)
• M19: 5,154,694 km (0.119 R)
• M20: 6,309,141 km (0.101 R)
• M21: 6,556,426 km (0.053 R)
• M22: 6,627,634 km (0.089 R)
• M23: 7,206,728 km (0.091 R)
• M24: 7,317,131 km (0.079 R)
• M25: 7,764,279 km (0.075 R)
• M26: 10,170,411 km (0.06 R)
• M27: 10,460,182 km (0.073 R)
• M28: 11,775,746 km (0.106 R)
• M29: 11,992,813 km (0.104 R)
• M30: 12,167,393 km (0.058 R)
• M31: 13,913,350 km (0.087 R)
• M32: 14,050,830 km (0.05 R)
• M33: 14,979,085 km (0.101 R)
• M34: 15,167,130 km (0.106 R)
• M35: 15,261,526 km (0.102 R)
• M36: 16,215,212 km (0.092 R)
• M37: 16,359,874 km (0.108 R)
• M38: 18,481,022 km (0.111 R)
• M39: 18,733,094 km (0.078 R)
• M40: 20,634,483 km (0.111 R)
• M41: 20,791,411 km (0.114 R)
• M42: 21,001,147 km (0.044 R)
• M43: 21,053,656 km (0.046 R)
• M44: 21,422,714 km (0.114 R)
• M45: 21,634,545 km (0.072 R)
• M46: 21,740,610 km (0.083 R)
• M47: 21,846,974 km (0.091 R)
• M48: 23,028,348 km (0.071 R)
• M49: 23,299,719 km (0.071 R)
• M50: 23,462,930 km (0.058 R)
• M51: 23,681,343 km (0.084 R)
• M52: 24,010,159 km (0.098 R)
• M53: 24,120,113 km (0.114 R)
• M54: 24,506,226 km (0.068 R)
• M55: 24,672,279 km (0.034 R)
• M56: 25,061,234 km (0.094 R)
• M57: 25,172,834 km (0.077 R)
• M58: 26,467,154 km (0.109 R)
• M59: 26,751,390 km (0.114 R)
• M60: 28,071,741 km (0.118 R)
• M61: 28,477,899 km (0.066 R)
• M62: 30,358,793 km (0.073 R)
• M63: 30,954,791 km (0.054 R)
• M64: 31,074,470 km (0.115 R)
• M65: 33,009,817 km (0.103 R)
• M66: 33,622,720 km (0.116 R)
• M67: 35,170,908 km (0.084 R)
• M68: 35,671,313 km (0.094 R)
• M69: 36,174,112 km (0.071 R)
• M70: 37,186,440 km (0.097 R)
• M71: 37,951,933 km (0.113 R)
• M72: 38,465,053 km (0.109 R)
• M73: 39,433,550 km (0.1 R)
• M74: 40,737,146 km (0.058 R)
• M75: 42,386,462 km (0.078 R)
• M76: 43,520,414 km (0.1 R)
• M77: 43,990,151 km (0.041 R)
• M78: 45,002,630 km (0.051 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 16,728 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit