🌌 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: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.43 AU - 0.67 AU

Year: 147 Days

Day: 19.3 Hours

Environment

Temp: 202 °C

Axial Tilt: 44 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.47 AU - 0.65 AU

Year: 151 Days

Day: 24.6 Hours

Environment

Temp: 226 °C

Axial Tilt: 12.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.08 AU - 1.48 AU

Year: 521 Days

Day: 38 Hours

Environment

Temp: -3 °C

Axial Tilt: 4.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.44 AU - 1.7 AU

Year: 708 Days

Day: 15.8 Hours

Environment

Temp: -34 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.64 AU - 1.74 AU

Year: 791 Days

Day: 37.7 Hours

Environment

Temp: -54 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.57 AU - 2.17 AU

Year: 920 Days

Day: 23.2 Hours

Environment

Temp: -44 °C

Axial Tilt: 0.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.9

Radius: 8.6

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 5.06 AU - 5.14 AU

Year: 4145 Days

Day: 8.9 Hours

Environment

Temp: -130 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 106,442,440 km

• M1: 208,988 km (0.084 R)
• M2: 309,817 km (0.072 R)
• M3: 388,655 km (0.069 R)
• M4: 498,759 km (0.045 R)
• M5: 603,478 km (0.061 R)
• M6: 689,497 km (0.1 R)
• M7: 780,003 km (0.039 R)
• M8: 1,139,637 km (0.115 R)
• M9: 1,476,082 km (0.116 R)
• M10: 1,619,247 km (0.096 R)
• M11: 1,855,612 km (0.031 R)
• M12: 1,919,640 km (0.103 R)
• M13: 2,142,989 km (0.069 R)
• M14: 2,486,915 km (0.069 R)
• M15: 2,701,738 km (0.082 R)
• M16: 2,789,252 km (0.04 R)
• M17: 2,937,504 km (0.078 R)
• M18: 3,226,228 km (0.116 R)
• M19: 3,366,251 km (0.07 R)
• M20: 3,444,940 km (0.074 R)
• M21: 3,556,091 km (0.053 R)
• M22: 3,847,508 km (0.078 R)
• M23: 4,470,583 km (0.105 R)
• M24: 5,252,082 km (0.064 R)
• M25: 5,362,036 km (0.105 R)
• M26: 5,546,790 km (0.107 R)
• M27: 5,602,590 km (0.087 R)
• M28: 5,790,186 km (0.11 R)
• M29: 5,846,883 km (0.085 R)
• M30: 5,922,729 km (0.103 R)
• M31: 6,075,469 km (0.119 R)
• M32: 6,326,344 km (0.089 R)
• M33: 6,502,122 km (0.105 R)
• M34: 6,738,935 km (0.066 R)
• M35: 6,898,407 km (0.083 R)
• M36: 6,998,787 km (0.111 R)
• M37: 7,119,811 km (0.114 R)
• M38: 7,631,586 km (0.091 R)
• M39: 7,776,995 km (0.102 R)
• M40: 7,965,339 km (0.1 R)
• M41: 8,049,562 km (0.045 R)
• M42: 9,060,993 km (0.057 R)
• M43: 9,503,504 km (0.083 R)
• M44: 9,570,374 km (0.051 R)
• M45: 9,794,921 km (0.111 R)
• M46: 9,862,539 km (0.041 R)
• M47: 10,203,173 km (0.03 R)
• M48: 10,340,504 km (0.102 R)
• M49: 10,455,545 km (0.12 R)
• M50: 10,779,574 km (0.108 R)
• M51: 11,509,013 km (0.075 R)
• M52: 11,963,940 km (0.077 R)
• M53: 12,084,666 km (0.073 R)
• M54: 12,449,236 km (0.073 R)
• M55: 12,571,457 km (0.113 R)
• M56: 12,940,814 km (0.119 R)
• M57: 13,089,664 km (0.104 R)
• M58: 13,263,946 km (0.112 R)
• M59: 13,614,753 km (0.109 R)
• M60: 13,765,996 km (0.055 R)
• M61: 13,968,701 km (0.095 R)
• M62: 14,095,710 km (0.062 R)
• M63: 14,944,528 km (0.084 R)
• M64: 15,048,499 km (0.036 R)
• M65: 15,204,978 km (0.081 R)
• M66: 15,283,367 km (0.063 R)
• M67: 15,414,415 km (0.073 R)
• M68: 15,572,091 km (0.111 R)
• M69: 16,181,702 km (0.11 R)
• M70: 16,745,088 km (0.111 R)
• M71: 16,934,180 km (0.091 R)
• M72: 17,042,638 km (0.111 R)
• M73: 17,205,850 km (0.089 R)
• M74: 17,891,008 km (0.115 R)
• M75: 18,195,290 km (0.064 R)
• M76: 18,361,942 km (0.109 R)
• M77: 18,725,016 km (0.099 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.7

Radius: 13.4

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.74 AU - 5.76 AU

Year: 4329 Days

Day: 12.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 106,442,440 km

• M1: 169,943 km (0.093 R)
• M2: 343,926 km (0.116 R)
• M3: 473,627 km (0.111 R)
• M4: 591,660 km (0.063 R)
• M5: 749,037 km (0.084 R)
• M6: 1,066,782 km (0.116 R)
• M7: 1,276,219 km (0.112 R)
• M8: 1,585,289 km (0.097 R)
• M9: 1,723,667 km (0.117 R)
• M10: 1,892,413 km (0.077 R)
• M11: 2,053,380 km (0.091 R)
• M12: 2,519,677 km (0.098 R)
• M13: 2,637,859 km (0.117 R)
• M14: 2,925,985 km (0.117 R)
• M15: 3,034,742 km (0.104 R)
• M16: 3,402,005 km (0.102 R)
• M17: 3,599,474 km (0.081 R)
• M18: 3,971,225 km (0.112 R)
• M19: 4,249,627 km (0.081 R)
• M20: 4,408,948 km (0.101 R)
• M21: 4,588,466 km (0.118 R)
• M22: 4,770,377 km (0.106 R)
• M23: 4,954,831 km (0.037 R)
• M24: 5,198,077 km (0.063 R)
• M25: 5,387,917 km (0.114 R)
• M26: 5,853,017 km (0.09 R)
• M27: 6,351,327 km (0.029 R)
• M28: 6,677,600 km (0.079 R)
• M29: 7,495,751 km (0.068 R)
• M30: 7,645,947 km (0.11 R)
• M31: 7,883,957 km (0.061 R)
• M32: 8,124,660 km (0.117 R)
• M33: 8,212,774 km (0.112 R)
• M34: 8,793,213 km (0.058 R)
• M35: 8,951,637 km (0.096 R)
• M36: 9,202,812 km (0.114 R)
• M37: 9,525,794 km (0.119 R)
• M38: 10,206,764 km (0.111 R)
• M39: 10,349,629 km (0.118 R)
• M40: 10,565,050 km (0.105 R)
• M41: 10,903,441 km (0.109 R)
• M42: 11,025,064 km (0.102 R)
• M43: 11,171,670 km (0.038 R)
• M44: 11,442,143 km (0.12 R)
• M45: 11,590,693 km (0.052 R)
• M46: 11,839,624 km (0.104 R)
• M47: 12,165,748 km (0.073 R)
• M48: 12,647,902 km (0.077 R)
• M49: 12,775,808 km (0.105 R)
• M50: 13,265,890 km (0.083 R)
• M51: 13,369,861 km (0.069 R)
• M52: 14,078,656 km (0.099 R)
• M53: 14,317,713 km (0.116 R)
• M54: 14,907,727 km (0.113 R)
• M55: 15,151,422 km (0.098 R)
• M56: 15,369,087 km (0.106 R)
• M57: 15,890,286 km (0.102 R)
• M58: 16,083,716 km (0.064 R)
• M59: 16,250,218 km (0.107 R)
• M60: 16,528,919 km (0.099 R)
• M61: 16,753,017 km (0.051 R)
• M62: 17,374,745 km (0.108 R)
• M63: 17,716,876 km (0.062 R)
• M64: 18,408,168 km (0.046 R)
• M65: 18,844,694 km (0.04 R)
• M66: 18,932,359 km (0.104 R)
• M67: 19,225,720 km (0.089 R)
• M68: 19,461,486 km (0.117 R)
• M69: 19,995,551 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 773.9

Radius: 3.8

Gravity: 53.59 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 17.72 AU - 21.4 AU

Year: 31133 Days

Day: 16.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 106,442,440 km

• M1: 84,822 km (0.092 R)
• M2: 371,003 km (0.12 R)
• M3: 572,661 km (0.04 R)
• M4: 2,017,776 km (0.078 R)
• M5: 3,261,533 km (0.087 R)
• M6: 3,311,349 km (0.104 R)
• M7: 3,667,242 km (0.082 R)
• M8: 4,088,659 km (0.09 R)
• M9: 4,469,984 km (0.025 R)
• M10: 4,580,986 km (0.109 R)
• M11: 5,921,832 km (0.102 R)
• M12: 8,308,217 km (0.062 R)
• M13: 8,513,316 km (0.067 R)
• M14: 8,581,981 km (0.087 R)
• M15: 9,138,485 km (0.074 R)
• M16: 9,350,166 km (0.065 R)
• M17: 10,359,353 km (0.087 R)
• M18: 10,653,912 km (0.113 R)
• M19: 10,876,663 km (0.051 R)
• M20: 11,554,192 km (0.098 R)
• M21: 11,859,670 km (0.03 R)
• M22: 12,322,975 km (0.108 R)
• M23: 12,870,802 km (0.065 R)
• M24: 13,028,778 km (0.073 R)
• M25: 15,140,202 km (0.073 R)
• M26: 15,642,402 km (0.117 R)
• M27: 15,980,194 km (0.04 R)
• M28: 16,320,380 km (0.106 R)
• M29: 16,748,978 km (0.059 R)
• M30: 17,007,932 km (0.044 R)
• M31: 17,094,549 km (0.101 R)
• M32: 17,880,536 km (0.062 R)
• M33: 18,322,298 km (0.118 R)
• M34: 18,589,181 km (0.053 R)
• M35: 20,492,365 km (0.118 R)
• M36: 20,584,517 km (0.11 R)
• M37: 20,769,271 km (0.063 R)
• M38: 20,861,872 km (0.119 R)
• M39: 23,220,432 km (0.083 R)
• M40: 23,316,474 km (0.113 R)
• M41: 29,629,803 km (0.062 R)
• M42: 30,888,520 km (0.103 R)
• M43: 31,100,051 km (0.116 R)
• M44: 32,593,935 km (0.095 R)
• M45: 33,783,837 km (0.114 R)
• M46: 39,140,188 km (0.104 R)
• M47: 39,369,073 km (0.108 R)
• M48: 42,266,784 km (0.099 R)
• M49: 44,872,929 km (0.038 R)
• M50: 45,472,367 km (0.026 R)
• M51: 46,437,124 km (0.116 R)
• M52: 46,558,298 km (0.098 R)
• M53: 51,862,590 km (0.091 R)
• M54: 52,491,649 km (0.067 R)
• M55: 53,249,811 km (0.101 R)
• M56: 53,630,388 km (0.085 R)
• M57: 54,521,542 km (0.111 R)
• M58: 55,546,138 km (0.066 R)
• M59: 59,181,965 km (0.088 R)
• M60: 61,293,688 km (0.108 R)
• M61: 61,559,374 km (0.111 R)
• M62: 63,833,411 km (0.06 R)
• M63: 69,152,962 km (0.068 R)
• M64: 70,539,734 km (0.097 R)
• M65: 72,496,475 km (0.051 R)
• M66: 73,058,813 km (0.1 R)
• M67: 73,340,506 km (0.105 R)
• M68: 73,481,427 km (0.093 R)
• M69: 74,612,686 km (0.118 R)
• M70: 74,754,505 km (0.076 R)
• M71: 77,178,888 km (0.028 R)
• M72: 79,918,773 km (0.067 R)
• M73: 80,063,883 km (0.116 R)
• M74: 80,354,252 km (0.071 R)
• M75: 80,645,071 km (0.029 R)
• M76: 81,373,612 km (0.112 R)
• M77: 82,690,373 km (0.089 R)
• M78: 83,572,252 km (0.093 R)
• M79: 85,493,388 km (0.059 R)
• M80: 88,027,576 km (0.105 R)
• M81: 89,680,483 km (0.119 R)
• M82: 91,040,477 km (0.074 R)
• M83: 91,647,096 km (0.095 R)
• M84: 97,321,643 km (0.033 R)
• M85: 99,030,350 km (0.115 R)
• M86: 100,749,080 km (0.061 R)
• M87: 103,582,762 km (0.112 R)
• M88: 104,533,158 km (0.092 R)
• M89: 104,850,455 km (0.082 R)
• M90: 105,327,223 km (0.073 R)
• M91: 105,486,395 km (0.089 R)
• M92: 106,123,383 km (0.1 R)

Kuiper Belt

Range: 30.5 - 60.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 14,743 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit