🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.48 AU - 0.62 AU

Year: 148 Days

Day: 34.6 Hours

Environment

Temp: 180 °C

Axial Tilt: 41.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.25

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.81 AU - 1.09 AU

Year: 335 Days

Day: 17.3 Hours

Environment

Temp: 69 °C

Axial Tilt: 43 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 51,426,464 km

• M1: 45,777 km (0.03 R)
• M2: 905,965 km (0.069 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.91 AU - 1.21 AU

Year: 395 Days

Day: 17.6 Hours

Environment

Temp: 36 °C

Axial Tilt: 34.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 51,426,464 km

• M1: 65,374 km (0.08 R)
• M2: 450,589 km (0.07 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.22 AU - 1.92 AU

Year: 711 Days

Day: 18.4 Hours

Environment

Temp: -35 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,426,464 km

• M1: 1,093,261 km (0.07 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.51 AU - 2.49 AU

Year: 1023 Days

Day: 31.5 Hours

Environment

Temp: -70 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 51,426,464 km

• M1: 40,691 km (0.076 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.85 AU - 4.23 AU

Year: 2409 Days

Day: 34.6 Hours

Environment

Temp: -116 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.5

Radius: 14.3

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 7.79 AU - 11.13 AU

Year: 10523 Days

Day: 14.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 51,426,464 km

• M1: 201,508 km (0.111 R)
• M2: 318,494 km (0.095 R)
• M3: 441,912 km (0.118 R)
• M4: 908,957 km (0.119 R)
• M5: 1,006,345 km (0.092 R)
• M6: 1,142,329 km (0.117 R)
• M7: 1,396,347 km (0.103 R)
• M8: 1,629,270 km (0.095 R)
• M9: 1,771,388 km (0.1 R)
• M10: 1,939,088 km (0.054 R)
• M11: 2,290,643 km (0.088 R)
• M12: 2,591,634 km (0.052 R)
• M13: 3,491,913 km (0.091 R)
• M14: 3,839,729 km (0.115 R)
• M15: 4,142,814 km (0.093 R)
• M16: 4,540,146 km (0.12 R)
• M17: 5,159,182 km (0.092 R)
• M18: 5,773,879 km (0.064 R)
• M19: 6,476,840 km (0.09 R)
• M20: 6,640,500 km (0.116 R)
• M21: 7,038,729 km (0.11 R)
• M22: 7,240,836 km (0.044 R)
• M23: 8,458,114 km (0.111 R)
• M24: 9,588,775 km (0.078 R)
• M25: 9,700,674 km (0.1 R)
• M26: 9,963,667 km (0.108 R)
• M27: 11,078,171 km (0.096 R)
• M28: 11,550,900 km (0.054 R)
• M29: 11,829,751 km (0.067 R)
• M30: 12,151,087 km (0.094 R)
• M31: 12,394,184 km (0.097 R)
• M32: 13,008,582 km (0.098 R)
• M33: 14,097,206 km (0.083 R)
• M34: 14,566,644 km (0.087 R)
• M35: 14,997,935 km (0.073 R)
• M36: 15,652,575 km (0.062 R)
• M37: 16,719,656 km (0.116 R)
• M38: 17,902,078 km (0.056 R)
• M39: 18,178,684 km (0.115 R)
• M40: 18,363,887 km (0.086 R)
• M41: 19,583,408 km (0.097 R)
• M42: 20,394,977 km (0.1 R)
• M43: 21,559,297 km (0.103 R)
• M44: 21,657,284 km (0.049 R)
• M45: 21,804,488 km (0.058 R)
• M46: 23,094,919 km (0.112 R)
• M47: 23,597,867 km (0.086 R)
• M48: 23,800,124 km (0.025 R)
• M49: 23,901,401 km (0.11 R)
• M50: 24,922,407 km (0.045 R)
• M51: 25,645,563 km (0.071 R)
• M52: 25,905,564 km (0.09 R)
• M53: 26,009,834 km (0.105 R)
• M54: 26,585,636 km (0.116 R)
• M55: 28,714,563 km (0.108 R)
• M56: 28,822,423 km (0.052 R)
• M57: 29,201,205 km (0.065 R)
• M58: 29,744,993 km (0.113 R)
• M59: 30,237,320 km (0.078 R)
• M60: 30,622,086 km (0.11 R)
• M61: 31,341,053 km (0.09 R)
• M62: 31,452,204 km (0.1 R)
• M63: 31,619,006 km (0.095 R)
• M64: 32,626,548 km (0.088 R)
• M65: 32,739,195 km (0.034 R)
• M66: 33,021,336 km (0.099 R)
• M67: 34,386,567 km (0.075 R)
• M68: 34,960,723 km (0.07 R)
• M69: 35,249,148 km (0.104 R)
• M70: 35,596,215 km (0.1 R)
• M71: 36,410,327 km (0.076 R)
• M72: 36,878,418 km (0.076 R)
• M73: 37,466,188 km (0.078 R)
• M74: 37,643,163 km (0.061 R)
• M75: 37,879,527 km (0.09 R)
• M76: 38,651,153 km (0.086 R)
• M77: 39,428,015 km (0.069 R)
• M78: 40,391,126 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.2

Radius: 3.4

Gravity: 12.39 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 13.46 AU - 14.56 AU

Year: 18965 Days

Day: 15 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 51,426,464 km

• M1: 43,683 km (0.032 R)
• M2: 122,221 km (0.075 R)
• M3: 257,308 km (0.032 R)
• M4: 339,737 km (0.11 R)
• M5: 364,869 km (0.104 R)
• M6: 417,079 km (0.094 R)
• M7: 634,893 km (0.087 R)
• M8: 901,178 km (0.082 R)
• M9: 954,584 km (0.103 R)
• M10: 1,277,267 km (0.107 R)
• M11: 1,337,405 km (0.104 R)
• M12: 1,784,852 km (0.082 R)
• M13: 2,622,750 km (0.079 R)
• M14: 2,987,320 km (0.094 R)
• M15: 3,395,423 km (0.049 R)
• M16: 3,451,073 km (0.111 R)
• M17: 3,762,985 km (0.115 R)
• M18: 3,820,730 km (0.09 R)
• M19: 4,054,401 km (0.08 R)
• M20: 4,173,033 km (0.118 R)
• M21: 4,383,218 km (0.111 R)
• M22: 5,322,842 km (0.118 R)
• M23: 5,517,917 km (0.043 R)
• M24: 5,982,419 km (0.117 R)
• M25: 6,390,372 km (0.103 R)
• M26: 7,090,191 km (0.116 R)
• M27: 7,161,549 km (0.054 R)
• M28: 7,521,631 km (0.095 R)
• M29: 8,372,095 km (0.063 R)
• M30: 8,713,029 km (0.084 R)
• M31: 10,041,757 km (0.056 R)
• M32: 10,403,784 km (0.114 R)
• M33: 10,647,628 km (0.114 R)
• M34: 11,223,730 km (0.108 R)
• M35: 12,535,105 km (0.098 R)
• M36: 13,274,567 km (0.114 R)
• M37: 14,028,092 km (0.094 R)
• M38: 14,522,961 km (0.111 R)
• M39: 14,749,901 km (0.064 R)
• M40: 15,622,506 km (0.104 R)
• M41: 16,606,411 km (0.053 R)
• M42: 18,633,312 km (0.118 R)
• M43: 19,226,618 km (0.071 R)
• M44: 20,685,795 km (0.059 R)
• M45: 22,076,008 km (0.107 R)
• M46: 22,336,757 km (0.047 R)
• M47: 22,808,739 km (0.114 R)
• M48: 22,861,397 km (0.105 R)
• M49: 23,869,088 km (0.045 R)
• M50: 25,653,641 km (0.069 R)
• M51: 25,818,049 km (0.054 R)
• M52: 26,589,675 km (0.059 R)
• M53: 27,033,981 km (0.064 R)
• M54: 27,368,781 km (0.085 R)
• M55: 28,721,744 km (0.106 R)
• M56: 28,949,432 km (0.112 R)
• M57: 29,635,787 km (0.097 R)
• M58: 30,443,466 km (0.111 R)
• M59: 30,675,492 km (0.086 R)
• M60: 31,785,808 km (0.114 R)
• M61: 32,021,275 km (0.087 R)
• M62: 32,198,249 km (0.113 R)
• M63: 34,045,633 km (0.062 R)
• M64: 34,467,499 km (0.057 R)
• M65: 34,588,374 km (0.063 R)
• M66: 35,073,221 km (0.115 R)
• M67: 35,560,311 km (0.101 R)
• M68: 35,988,311 km (0.066 R)
• M69: 37,406,798 km (0.117 R)
• M70: 40,488,963 km (0.115 R)
• M71: 40,616,570 km (0.084 R)
• M72: 40,871,933 km (0.062 R)
• M73: 41,320,278 km (0.025 R)
• M74: 42,092,652 km (0.116 R)
• M75: 42,157,129 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159.7

Radius: 7.8

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 12.1 AU - 19.78 AU

Year: 23016 Days

Day: 21.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 51,426,464 km

• M1: 101,577 km (0.091 R)
• M2: 299,944 km (0.079 R)
• M3: 433,086 km (0.06 R)
• M4: 947,553 km (0.086 R)
• M5: 1,302,249 km (0.059 R)
• M6: 1,868,477 km (0.104 R)
• M7: 2,931,071 km (0.102 R)
• M8: 3,168,932 km (0.099 R)
• M9: 3,505,976 km (0.088 R)
• M10: 4,619,283 km (0.119 R)
• M11: 4,826,476 km (0.101 R)
• M12: 5,001,356 km (0.044 R)
• M13: 5,071,966 km (0.063 R)
• M14: 5,721,969 km (0.084 R)
• M15: 5,795,870 km (0.072 R)
• M16: 5,907,171 km (0.105 R)
• M17: 6,094,468 km (0.11 R)
• M18: 6,862,802 km (0.086 R)
• M19: 9,519,661 km (0.048 R)
• M20: 9,871,814 km (0.1 R)
• M21: 10,363,093 km (0.116 R)
• M22: 11,323,063 km (0.111 R)
• M23: 11,978,750 km (0.095 R)
• M24: 12,550,513 km (0.1 R)
• M25: 13,523,199 km (0.105 R)
• M26: 14,068,483 km (0.106 R)
• M27: 14,772,790 km (0.115 R)
• M28: 14,976,093 km (0.101 R)
• M29: 15,850,792 km (0.067 R)
• M30: 16,530,714 km (0.059 R)
• M31: 16,583,373 km (0.044 R)
• M32: 17,918,983 km (0.059 R)
• M33: 18,299,111 km (0.12 R)
• M34: 18,408,317 km (0.078 R)
• M35: 19,455,502 km (0.044 R)
• M36: 20,521,986 km (0.038 R)
• M37: 21,434,832 km (0.095 R)
• M38: 26,439,329 km (0.111 R)
• M39: 26,686,315 km (0.102 R)
• M40: 27,120,299 km (0.111 R)
• M41: 29,837,146 km (0.057 R)
• M42: 33,837,393 km (0.065 R)
• M43: 37,654,831 km (0.111 R)
• M44: 40,392,921 km (0.058 R)
• M45: 41,176,664 km (0.093 R)
• M46: 41,821,730 km (0.109 R)
• M47: 42,542,343 km (0.068 R)
• M48: 42,759,410 km (0.112 R)
• M49: 45,983,842 km (0.118 R)
• M50: 47,400,385 km (0.078 R)
• M51: 48,151,515 km (0.079 R)
• M52: 49,741,890 km (0.119 R)

Kuiper Belt

Range: 30.3 - 45.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 368 - 19,997 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit