🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.41 AU - 0.63 AU

Year: 138 Days

Day: 21.8 Hours

Environment

Temp: 243 °C

Axial Tilt: 49.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 70,830,265 km

• M1: 27,227 km (0.078 R)
• M2: 141,370 km (0.077 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.59 AU - 0.73 AU

Year: 197 Days

Day: 47.6 Hours

Environment

Temp: 208 °C

Axial Tilt: 26 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.9 AU - 1.06 AU

Year: 356 Days

Day: 36.7 Hours

Environment

Temp: 24 °C

Axial Tilt: 27.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 70,830,265 km

• M1: 217,515 km (0.113 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.86 AU - 1.3 AU

Year: 412 Days

Day: 14.1 Hours

Environment

Temp: 5 °C

Axial Tilt: 1.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 70,830,265 km

• M1: 326,273 km (0.09 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.32 AU - 3.46 AU

Year: 1804 Days

Day: 31.4 Hours

Environment

Temp: -105 °C

Axial Tilt: 3.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 70,830,265 km

• M1: 190,887 km (0.093 R)
• M2: 1,785,750 km (0.082 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.34 AU - 3.42 AU

Year: 2281 Days

Day: 16.6 Hours

Environment

Temp: -123 °C

Axial Tilt: 45 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.2

Radius: 11.5

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 4.35 AU - 6.25 AU

Year: 4479 Days

Day: 7.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 70,830,265 km

• M1: 162,463 km (0.119 R)
• M2: 237,861 km (0.055 R)
• M3: 321,037 km (0.096 R)
• M4: 503,397 km (0.116 R)
• M5: 1,041,800 km (0.109 R)
• M6: 1,121,535 km (0.037 R)
• M7: 1,506,750 km (0.094 R)
• M8: 1,659,938 km (0.099 R)
• M9: 1,883,288 km (0.098 R)
• M10: 1,998,628 km (0.053 R)
• M11: 2,167,823 km (0.092 R)
• M12: 2,289,147 km (0.07 R)
• M13: 2,448,468 km (0.072 R)
• M14: 2,891,727 km (0.089 R)
• M15: 3,260,486 km (0.097 R)
• M16: 3,360,118 km (0.098 R)
• M17: 3,460,648 km (0.08 R)
• M18: 4,150,144 km (0.064 R)
• M19: 4,301,986 km (0.111 R)
• M20: 4,544,185 km (0.104 R)
• M21: 4,633,345 km (0.106 R)
• M22: 5,462,566 km (0.117 R)
• M23: 5,918,690 km (0.095 R)
• M24: 6,487,312 km (0.09 R)
• M25: 7,073,586 km (0.091 R)
• M26: 7,359,916 km (0.108 R)
• M27: 8,133,337 km (0.065 R)
• M28: 8,433,430 km (0.058 R)
• M29: 8,820,739 km (0.106 R)
• M30: 9,157,334 km (0.069 R)
• M31: 9,727,751 km (0.065 R)
• M32: 9,930,157 km (0.087 R)
• M33: 10,046,395 km (0.094 R)
• M34: 10,221,723 km (0.105 R)
• M35: 10,486,512 km (0.082 R)
• M36: 10,604,993 km (0.117 R)
• M37: 10,694,153 km (0.106 R)
• M38: 11,053,039 km (0.101 R)
• M39: 11,629,589 km (0.106 R)
• M40: 12,029,763 km (0.115 R)
• M41: 12,122,813 km (0.109 R)
• M42: 12,434,425 km (0.085 R)
• M43: 12,970,435 km (0.097 R)
• M44: 13,804,742 km (0.115 R)
• M45: 13,902,130 km (0.099 R)
• M46: 14,097,655 km (0.045 R)
• M47: 14,888,578 km (0.094 R)
• M48: 15,021,870 km (0.104 R)
• M49: 15,525,117 km (0.118 R)
• M50: 16,444,696 km (0.105 R)
• M51: 16,548,068 km (0.071 R)
• M52: 16,686,146 km (0.073 R)
• M53: 17,102,477 km (0.08 R)
• M54: 17,487,393 km (0.082 R)
• M55: 18,658,744 km (0.08 R)
• M56: 18,838,411 km (0.119 R)
• M57: 19,235,893 km (0.076 R)
• M58: 19,308,448 km (0.087 R)
• M59: 19,453,707 km (0.1 R)
• M60: 20,333,642 km (0.097 R)
• M61: 20,518,694 km (0.091 R)
• M62: 21,076,844 km (0.053 R)
• M63: 21,414,187 km (0.076 R)
• M64: 21,489,435 km (0.082 R)
• M65: 22,056,261 km (0.12 R)
• M66: 22,513,283 km (0.049 R)
• M67: 22,666,321 km (0.108 R)
• M68: 22,858,106 km (0.112 R)
• M69: 23,282,066 km (0.058 R)
• M70: 24,254,901 km (0.084 R)
• M71: 24,529,712 km (0.096 R)
• M72: 24,805,571 km (0.108 R)
• M73: 24,884,559 km (0.074 R)
• M74: 25,122,120 km (0.109 R)
• M75: 25,639,429 km (0.089 R)
• M76: 26,079,696 km (0.056 R)
• M77: 26,160,030 km (0.102 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.8

Radius: 10.6

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 8.33 AU - 10.59 AU

Year: 10681 Days

Day: 12.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 70,830,265 km

• M1: 179,817 km (0.046 R)
• M2: 249,380 km (0.085 R)
• M3: 502,350 km (0.078 R)
• M4: 836,252 km (0.083 R)
• M5: 1,525,300 km (0.118 R)
• M6: 1,710,053 km (0.084 R)
• M7: 1,924,128 km (0.036 R)
• M8: 2,101,850 km (0.115 R)
• M9: 2,192,806 km (0.102 R)
• M10: 2,402,243 km (0.114 R)
• M11: 2,766,065 km (0.095 R)
• M12: 3,199,599 km (0.065 R)
• M13: 3,518,692 km (0.094 R)
• M14: 3,988,279 km (0.06 R)
• M15: 5,108,767 km (0.077 R)
• M16: 5,993,339 km (0.117 R)
• M17: 6,420,142 km (0.08 R)
• M18: 6,520,074 km (0.107 R)
• M19: 7,096,025 km (0.082 R)
• M20: 7,233,955 km (0.072 R)
• M21: 8,187,940 km (0.115 R)
• M22: 8,441,808 km (0.109 R)
• M23: 8,882,972 km (0.06 R)
• M24: 9,143,871 km (0.085 R)
• M25: 9,369,464 km (0.109 R)
• M26: 10,407,374 km (0.101 R)
• M27: 10,564,153 km (0.086 R)
• M28: 11,039,575 km (0.095 R)
• M29: 11,279,829 km (0.095 R)
• M30: 11,481,487 km (0.101 R)
• M31: 11,643,651 km (0.112 R)
• M32: 11,888,244 km (0.029 R)
• M33: 13,476,823 km (0.108 R)
• M34: 14,777,577 km (0.11 R)
• M35: 15,086,796 km (0.097 R)
• M36: 15,442,839 km (0.097 R)
• M37: 15,711,666 km (0.03 R)
• M38: 16,027,317 km (0.054 R)
• M39: 16,436,318 km (0.102 R)
• M40: 16,756,757 km (0.036 R)
• M41: 18,247,799 km (0.105 R)
• M42: 19,009,102 km (0.067 R)
• M43: 19,878,116 km (0.053 R)
• M44: 20,464,540 km (0.116 R)
• M45: 21,704,706 km (0.047 R)
• M46: 22,106,676 km (0.06 R)
• M47: 24,465,385 km (0.047 R)
• M48: 24,778,943 km (0.034 R)
• M49: 25,357,288 km (0.093 R)
• M50: 26,099,593 km (0.12 R)
• M51: 26,206,256 km (0.085 R)
• M52: 26,366,475 km (0.103 R)
• M53: 26,741,667 km (0.084 R)
• M54: 26,849,227 km (0.053 R)
• M55: 27,118,653 km (0.074 R)
• M56: 27,660,197 km (0.058 R)
• M57: 28,369,441 km (0.089 R)
• M58: 29,029,616 km (0.054 R)
• M59: 29,195,371 km (0.109 R)
• M60: 29,861,829 km (0.115 R)
• M61: 30,814,469 km (0.071 R)
• M62: 31,209,557 km (0.12 R)
• M63: 32,347,996 km (0.113 R)
• M64: 32,922,153 km (0.098 R)
• M65: 33,268,322 km (0.09 R)
• M66: 35,135,005 km (0.091 R)
• M67: 35,606,836 km (0.079 R)
• M68: 36,795,990 km (0.073 R)
• M69: 36,975,358 km (0.044 R)
• M70: 38,908,013 km (0.105 R)
• M71: 39,212,893 km (0.112 R)
• M72: 39,335,115 km (0.042 R)
• M73: 39,763,712 km (0.047 R)
• M74: 39,947,867 km (0.112 R)
• M75: 40,687,479 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373.9

Radius: 6.2

Gravity: 9.73 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 13.44 AU - 19.3 AU

Year: 24313 Days

Day: 17.1 Hours

Environment

Temp: -195 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 70,830,265 km

• M1: 79,287 km (0.067 R)
• M2: 580,589 km (0.073 R)
• M3: 643,121 km (0.081 R)
• M4: 752,477 km (0.101 R)
• M5: 2,382,047 km (0.095 R)
• M6: 3,470,222 km (0.065 R)
• M7: 4,436,624 km (0.081 R)
• M8: 4,478,511 km (0.098 R)
• M9: 4,690,492 km (0.071 R)
• M10: 5,844,490 km (0.117 R)
• M11: 7,229,168 km (0.115 R)
• M12: 9,403,124 km (0.084 R)
• M13: 10,114,013 km (0.102 R)
• M14: 10,447,915 km (0.105 R)
• M15: 11,126,641 km (0.109 R)
• M16: 12,053,549 km (0.03 R)
• M17: 13,428,952 km (0.117 R)
• M18: 13,611,910 km (0.12 R)
• M19: 14,290,187 km (0.091 R)
• M20: 14,602,099 km (0.068 R)
• M21: 14,979,384 km (0.077 R)
• M22: 17,442,065 km (0.05 R)
• M23: 17,508,636 km (0.088 R)
• M24: 18,043,598 km (0.1 R)
• M25: 18,313,023 km (0.057 R)
• M26: 19,611,234 km (0.043 R)
• M27: 19,680,348 km (0.106 R)
• M28: 19,888,289 km (0.108 R)
• M29: 20,376,277 km (0.095 R)
• M30: 22,512,086 km (0.109 R)
• M31: 22,729,452 km (0.114 R)
• M32: 23,386,037 km (0.102 R)
• M33: 29,647,904 km (0.073 R)
• M34: 31,816,026 km (0.084 R)
• M35: 31,897,258 km (0.105 R)
• M36: 32,223,082 km (0.103 R)
• M37: 33,207,137 km (0.07 R)
• M38: 34,117,739 km (0.075 R)
• M39: 34,952,794 km (0.103 R)
• M40: 35,456,939 km (0.079 R)
• M41: 39,140,338 km (0.086 R)
• M42: 40,101,953 km (0.031 R)
• M43: 40,982,935 km (0.095 R)
• M44: 41,248,471 km (0.088 R)
• M45: 41,692,328 km (0.094 R)
• M46: 41,959,360 km (0.06 R)
• M47: 42,316,301 km (0.111 R)
• M48: 42,495,070 km (0.051 R)
• M49: 42,674,289 km (0.119 R)
• M50: 42,943,415 km (0.116 R)
• M51: 45,848,905 km (0.084 R)
• M52: 47,418,187 km (0.053 R)
• M53: 49,192,717 km (0.095 R)
• M54: 50,324,724 km (0.089 R)
• M55: 51,847,331 km (0.074 R)
• M56: 53,095,575 km (0.112 R)
• M57: 53,771,758 km (0.066 R)
• M58: 55,523,549 km (0.091 R)
• M59: 56,406,625 km (0.066 R)
• M60: 57,690,175 km (0.094 R)
• M61: 58,186,391 km (0.074 R)
• M62: 60,386,527 km (0.111 R)
• M63: 60,487,206 km (0.108 R)
• M64: 62,105,257 km (0.072 R)
• M65: 65,590,738 km (0.107 R)
• M66: 65,694,110 km (0.078 R)
• M67: 65,901,303 km (0.086 R)
• M68: 66,004,825 km (0.108 R)
• M69: 66,419,959 km (0.108 R)
• M70: 67,252,770 km (0.111 R)
• M71: 67,565,878 km (0.117 R)
• M72: 69,139,050 km (0.102 R)
• M73: 69,349,683 km (0.098 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 529 - 11,279 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit