🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.53 AU - 0.77 AU

Year: 158 Days

Day: 28.6 Hours

Environment

Temp: 316 °C

Axial Tilt: 19.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 63,152,781 km

• M1: 138,378 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.53 AU - 2.61 AU

Year: 1245 Days

Day: 37.7 Hours

Environment

Temp: -5 °C

Axial Tilt: 34.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 63,152,781 km

• M1: 190,887 km (0.059 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.15

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.92 AU - 4.3 AU

Year: 2519 Days

Day: 25.5 Hours

Environment

Temp: -73 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 13.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.1

Radius: 10.2

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 11.19 AU - 15.55 AU

Year: 14778 Days

Day: 13.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 63,152,781 km

• M1: 156,928 km (0.07 R)
• M2: 338,091 km (0.104 R)
• M3: 684,261 km (0.092 R)
• M4: 984,952 km (0.081 R)
• M5: 1,258,268 km (0.088 R)
• M6: 1,360,593 km (0.077 R)
• M7: 1,647,372 km (0.066 R)
• M8: 2,053,081 km (0.119 R)
• M9: 2,685,282 km (0.077 R)
• M10: 2,954,558 km (0.058 R)
• M11: 3,374,778 km (0.09 R)
• M12: 3,665,447 km (0.059 R)
• M13: 3,888,946 km (0.096 R)
• M14: 4,375,439 km (0.093 R)
• M15: 5,072,265 km (0.108 R)
• M16: 5,182,519 km (0.106 R)
• M17: 5,746,054 km (0.074 R)
• M18: 5,948,011 km (0.094 R)
• M19: 6,211,004 km (0.025 R)
• M20: 7,022,872 km (0.101 R)
• M21: 7,931,978 km (0.077 R)
• M22: 8,189,287 km (0.05 R)
• M23: 9,653,102 km (0.096 R)
• M24: 9,927,913 km (0.106 R)
• M25: 10,135,555 km (0.047 R)
• M26: 10,309,836 km (0.119 R)
• M27: 10,485,165 km (0.054 R)
• M28: 11,124,247 km (0.11 R)
• M29: 11,340,117 km (0.08 R)
• M30: 11,521,130 km (0.077 R)
• M31: 11,776,045 km (0.092 R)
• M32: 11,959,303 km (0.07 R)
• M33: 12,069,706 km (0.105 R)
• M34: 12,291,559 km (0.058 R)
• M35: 12,701,906 km (0.082 R)
• M36: 13,192,438 km (0.087 R)
• M37: 13,650,955 km (0.099 R)
• M38: 14,622,743 km (0.105 R)
• M39: 15,057,325 km (0.083 R)
• M40: 15,737,397 km (0.115 R)
• M41: 16,509,471 km (0.066 R)
• M42: 16,755,859 km (0.073 R)
• M43: 16,838,138 km (0.119 R)
• M44: 17,127,610 km (0.116 R)
• M45: 17,543,941 km (0.109 R)
• M46: 18,386,625 km (0.11 R)
• M47: 18,556,718 km (0.067 R)
• M48: 18,812,830 km (0.119 R)
• M49: 18,898,549 km (0.089 R)
• M50: 19,892,926 km (0.052 R)
• M51: 20,286,518 km (0.068 R)
• M52: 20,727,084 km (0.1 R)
• M53: 20,948,489 km (0.109 R)
• M54: 21,215,222 km (0.091 R)
• M55: 21,393,692 km (0.109 R)
• M56: 21,662,370 km (0.073 R)
• M57: 22,022,303 km (0.11 R)
• M58: 22,429,508 km (0.108 R)
• M59: 23,389,477 km (0.115 R)
• M60: 23,481,630 km (0.06 R)
• M61: 23,712,459 km (0.07 R)
• M62: 23,805,060 km (0.067 R)
• M63: 23,897,661 km (0.09 R)
• M64: 24,129,987 km (0.075 R)
• M65: 24,737,205 km (0.082 R)
• M66: 25,207,690 km (0.077 R)
• M67: 25,349,509 km (0.098 R)
• M68: 26,301,250 km (0.034 R)
• M69: 26,445,014 km (0.073 R)
• M70: 27,701,935 km (0.085 R)
• M71: 28,092,685 km (0.045 R)
• M72: 29,424,555 km (0.086 R)
• M73: 29,773,267 km (0.099 R)
• M74: 30,323,937 km (0.119 R)
• M75: 30,777,069 km (0.119 R)
• M76: 30,979,176 km (0.078 R)
• M77: 31,080,304 km (0.117 R)
• M78: 31,537,176 km (0.079 R)
• M79: 32,149,630 km (0.052 R)
• M80: 32,663,199 km (0.063 R)
• M81: 32,766,122 km (0.073 R)
• M82: 33,179,312 km (0.115 R)
• M83: 33,438,415 km (0.065 R)
• M84: 33,854,297 km (0.065 R)
• M85: 34,167,406 km (0.086 R)
• M86: 35,376,605 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 14.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.3

Radius: 14.9

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 14.35 AU - 15.45 AU

Year: 17386 Days

Day: 10.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 63,152,781 km

• M1: 230,381 km (0.089 R)
• M2: 350,209 km (0.04 R)
• M3: 1,326,634 km (0.106 R)
• M4: 1,999,974 km (0.107 R)
• M5: 2,236,488 km (0.11 R)
• M6: 2,513,992 km (0.11 R)
• M7: 2,641,001 km (0.074 R)
• M8: 3,590,349 km (0.109 R)
• M9: 4,139,822 km (0.099 R)
• M10: 4,637,833 km (0.107 R)
• M11: 4,953,933 km (0.083 R)
• M12: 5,114,751 km (0.044 R)
• M13: 5,649,115 km (0.118 R)
• M14: 5,944,421 km (0.07 R)
• M15: 6,375,263 km (0.105 R)
• M16: 7,635,027 km (0.062 R)
• M17: 9,464,758 km (0.088 R)
• M18: 10,018,869 km (0.097 R)
• M19: 11,423,742 km (0.106 R)
• M20: 12,230,823 km (0.107 R)
• M21: 12,339,730 km (0.117 R)
• M22: 12,449,086 km (0.086 R)
• M23: 12,889,652 km (0.087 R)
• M24: 13,279,504 km (0.082 R)
• M25: 13,673,096 km (0.102 R)
• M26: 13,843,039 km (0.059 R)
• M27: 14,760,971 km (0.046 R)
• M28: 15,462,436 km (0.117 R)
• M29: 15,639,410 km (0.081 R)
• M30: 16,354,488 km (0.085 R)
• M31: 16,655,629 km (0.096 R)
• M32: 17,324,481 km (0.112 R)
• M33: 18,500,619 km (0.082 R)
• M34: 18,688,664 km (0.1 R)
• M35: 19,766,367 km (0.119 R)
• M36: 20,669,040 km (0.094 R)
• M37: 21,453,382 km (0.113 R)
• M38: 22,114,604 km (0.074 R)
• M39: 22,984,067 km (0.084 R)
• M40: 23,118,855 km (0.1 R)
• M41: 23,456,946 km (0.051 R)
• M42: 25,380,326 km (0.108 R)
• M43: 25,519,751 km (0.086 R)
• M44: 26,502,160 km (0.094 R)
• M45: 26,927,018 km (0.077 R)
• M46: 28,215,056 km (0.113 R)
• M47: 29,816,501 km (0.085 R)
• M48: 31,897,108 km (0.113 R)
• M49: 32,727,377 km (0.111 R)
• M50: 33,259,347 km (0.085 R)
• M51: 33,488,231 km (0.112 R)
• M52: 34,178,027 km (0.106 R)
• M53: 34,486,199 km (0.119 R)
• M54: 34,795,118 km (0.084 R)
• M55: 35,962,131 km (0.075 R)
• M56: 36,275,539 km (0.076 R)
• M57: 36,511,156 km (0.057 R)
• M58: 36,984,034 km (0.116 R)
• M59: 37,458,858 km (0.103 R)
• M60: 37,617,581 km (0.102 R)
• M61: 38,334,604 km (0.048 R)
• M62: 41,247,574 km (0.11 R)
• M63: 41,575,642 km (0.12 R)
• M64: 42,316,899 km (0.11 R)
• M65: 42,482,355 km (0.069 R)
• M66: 43,395,500 km (0.087 R)
• M67: 43,979,979 km (0.062 R)
• M68: 44,231,154 km (0.053 R)
• M69: 46,003,589 km (0.077 R)
• M70: 47,455,437 km (0.092 R)
• M71: 47,885,231 km (0.068 R)
• M72: 48,057,568 km (0.114 R)
• M73: 51,282,300 km (0.103 R)
• M74: 51,458,526 km (0.09 R)
• M75: 51,635,051 km (0.067 R)
• M76: 52,787,254 km (0.111 R)
• M77: 53,589,847 km (0.114 R)
• M78: 56,385,233 km (0.104 R)
• M79: 57,114,373 km (0.07 R)
• M80: 59,320,193 km (0.088 R)

Kuiper Belt

Range: 36.3 - 52.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 14,601 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit