🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.54 AU - 0.74 AU

Year: 217 Days

Day: 35.5 Hours

Environment

Temp: 27 °C

Axial Tilt: 6.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 42,366,598 km

• M1: 176,226 km (0.071 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.12 AU - 1.2 AU

Year: 530 Days

Day: 23.5 Hours

Environment

Temp: -55 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1 AU - 1.56 AU

Year: 615 Days

Day: 41.5 Hours

Environment

Temp: -73 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.13 AU - 1.77 AU

Year: 741 Days

Day: 13.4 Hours

Environment

Temp: -92 °C

Axial Tilt: 15.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,366,598 km

• M1: 637,885 km (0.1 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.83 AU - 2.01 AU

Year: 1130 Days

Day: 22.6 Hours

Environment

Temp: -103 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.2

Radius: 14.5

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.01 AU - 5.69 AU

Year: 5254 Days

Day: 6.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 42,366,598 km

• M1: 193,879 km (0.106 R)
• M2: 317,746 km (0.115 R)
• M3: 450,888 km (0.105 R)
• M4: 794,514 km (0.047 R)
• M5: 1,066,034 km (0.104 R)
• M6: 1,368,671 km (0.098 R)
• M7: 1,460,374 km (0.112 R)
• M8: 1,586,186 km (0.036 R)
• M9: 1,699,581 km (0.066 R)
• M10: 2,091,827 km (0.079 R)
• M11: 2,941,244 km (0.1 R)
• M12: 3,041,923 km (0.067 R)
• M13: 3,143,799 km (0.097 R)
• M14: 3,246,723 km (0.052 R)
• M15: 3,691,926 km (0.069 R)
• M16: 4,111,847 km (0.103 R)
• M17: 4,877,489 km (0.089 R)
• M18: 4,997,466 km (0.095 R)
• M19: 5,094,107 km (0.1 R)
• M20: 5,437,434 km (0.103 R)
• M21: 5,864,536 km (0.102 R)
• M22: 6,805,058 km (0.117 R)
• M23: 7,156,164 km (0.073 R)
• M24: 7,708,180 km (0.057 R)
• M25: 8,188,389 km (0.094 R)
• M26: 8,302,831 km (0.113 R)
• M27: 8,475,318 km (0.097 R)
• M28: 8,591,107 km (0.104 R)
• M29: 8,707,344 km (0.116 R)
• M30: 8,970,936 km (0.057 R)
• M31: 9,296,760 km (0.103 R)
• M32: 10,826,099 km (0.101 R)
• M33: 11,141,451 km (0.11 R)
• M34: 12,138,072 km (0.092 R)
• M35: 12,465,542 km (0.099 R)
• M36: 12,663,609 km (0.115 R)
• M37: 13,129,607 km (0.074 R)
• M38: 13,297,456 km (0.058 R)
• M39: 13,567,330 km (0.074 R)
• M40: 13,975,732 km (0.118 R)
• M41: 14,804,804 km (0.118 R)
• M42: 15,049,546 km (0.056 R)
• M43: 15,614,128 km (0.039 R)
• M44: 15,934,866 km (0.094 R)
• M45: 16,113,935 km (0.111 R)
• M46: 16,618,977 km (0.094 R)
• M47: 17,165,907 km (0.075 R)
• M48: 17,386,265 km (0.085 R)
• M49: 17,644,620 km (0.089 R)
• M50: 17,867,222 km (0.116 R)
• M51: 18,202,620 km (0.102 R)
• M52: 18,728,606 km (0.055 R)
• M53: 19,069,390 km (0.06 R)
• M54: 19,297,826 km (0.113 R)
• M55: 20,026,817 km (0.09 R)
• M56: 20,453,021 km (0.085 R)
• M57: 22,108,022 km (0.104 R)
• M58: 22,227,850 km (0.098 R)
• M59: 22,548,588 km (0.056 R)
• M60: 22,830,430 km (0.107 R)
• M61: 23,519,927 km (0.065 R)
• M62: 23,846,649 km (0.059 R)
• M63: 24,422,152 km (0.095 R)
• M64: 25,044,030 km (0.094 R)
• M65: 26,727,455 km (0.055 R)
• M66: 28,708,280 km (0.119 R)
• M67: 28,926,394 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 876.4

Radius: 4.4

Gravity: 45.27 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 10.56 AU - 12.18 AU

Year: 16279 Days

Day: 23.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 42,366,598 km

• M1: 56,997 km (0.12 R)
• M2: 186,848 km (0.118 R)
• M3: 214,224 km (0.075 R)
• M4: 305,628 km (0.092 R)
• M5: 982,858 km (0.094 R)
• M6: 1,444,816 km (0.114 R)
• M7: 2,296,028 km (0.101 R)
• M8: 2,364,245 km (0.1 R)
• M9: 2,398,652 km (0.116 R)
• M10: 2,467,916 km (0.107 R)
• M11: 2,751,703 km (0.074 R)
• M12: 2,787,906 km (0.093 R)
• M13: 3,008,413 km (0.082 R)
• M14: 3,544,722 km (0.092 R)
• M15: 3,743,388 km (0.116 R)
• M16: 4,360,928 km (0.045 R)
• M17: 5,412,750 km (0.056 R)
• M18: 5,780,163 km (0.047 R)
• M19: 8,356,537 km (0.059 R)
• M20: 9,102,881 km (0.104 R)
• M21: 9,484,056 km (0.107 R)
• M22: 9,870,318 km (0.115 R)
• M23: 10,205,567 km (0.035 R)
• M24: 10,601,403 km (0.088 R)
• M25: 10,829,839 km (0.112 R)
• M26: 10,944,730 km (0.043 R)
• M27: 11,700,947 km (0.101 R)
• M28: 12,413,931 km (0.09 R)
• M29: 14,698,888 km (0.049 R)
• M30: 15,338,270 km (0.112 R)
• M31: 16,117,525 km (0.117 R)
• M32: 16,843,075 km (0.112 R)
• M33: 18,257,672 km (0.117 R)
• M34: 19,082,854 km (0.098 R)
• M35: 19,849,992 km (0.091 R)
• M36: 21,414,187 km (0.076 R)
• M37: 21,775,167 km (0.115 R)
• M38: 22,138,241 km (0.052 R)
• M39: 23,387,383 km (0.09 R)
• M40: 23,684,634 km (0.066 R)
• M41: 25,570,465 km (0.05 R)
• M42: 25,646,909 km (0.112 R)
• M43: 26,107,072 km (0.077 R)
• M44: 26,338,201 km (0.046 R)
• M45: 26,802,403 km (0.096 R)
• M46: 28,765,875 km (0.076 R)
• M47: 29,323,875 km (0.07 R)
• M48: 29,885,316 km (0.09 R)
• M49: 30,127,066 km (0.106 R)
• M50: 31,263,861 km (0.108 R)
• M51: 31,673,310 km (0.102 R)
• M52: 31,755,439 km (0.073 R)
• M53: 33,495,562 km (0.107 R)
• M54: 33,830,511 km (0.098 R)
• M55: 35,266,501 km (0.063 R)
• M56: 37,240,744 km (0.111 R)
• M57: 38,110,207 km (0.119 R)
• M58: 39,338,705 km (0.083 R)
• M59: 39,515,230 km (0.098 R)
• M60: 39,692,055 km (0.066 R)
• M61: 39,780,617 km (0.089 R)
• M62: 40,669,228 km (0.094 R)
• M63: 41,295,295 km (0.082 R)
• M64: 41,654,330 km (0.112 R)
• M65: 42,014,562 km (0.037 R)
• M66: 43,556,766 km (0.11 R)
• M67: 44,013,938 km (0.064 R)
• M68: 45,209,823 km (0.113 R)
• M69: 46,043,981 km (0.114 R)
• M70: 48,293,185 km (0.119 R)
• M71: 48,955,903 km (0.109 R)
• M72: 50,290,466 km (0.072 R)
• M73: 51,154,693 km (0.118 R)
• M74: 51,251,034 km (0.081 R)
• M75: 51,540,356 km (0.099 R)
• M76: 54,561,635 km (0.073 R)
• M77: 55,647,566 km (0.038 R)
• M78: 55,746,599 km (0.112 R)
• M79: 57,640,060 km (0.094 R)
• M80: 58,242,341 km (0.091 R)
• M81: 59,960,023 km (0.115 R)
• M82: 61,182,537 km (0.069 R)
• M83: 62,104,808 km (0.115 R)
• M84: 62,516,202 km (0.064 R)
• M85: 62,825,421 km (0.064 R)
• M86: 63,031,716 km (0.044 R)
• M87: 65,944,537 km (0.085 R)
• M88: 66,049,405 km (0.066 R)
• M89: 66,469,326 km (0.117 R)
• M90: 69,433,309 km (0.072 R)
• M91: 70,180,999 km (0.087 R)
• M92: 70,824,120 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 72.4

Radius: 8

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 11.87 AU - 18.85 AU

Year: 25560 Days

Day: 23.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 42,366,598 km

• M1: 129,701 km (0.092 R)
• M2: 193,131 km (0.094 R)
• M3: 425,008 km (0.111 R)
• M4: 659,577 km (0.051 R)
• M5: 985,102 km (0.107 R)
• M6: 1,184,067 km (0.119 R)
• M7: 1,240,765 km (0.115 R)
• M8: 1,683,724 km (0.088 R)
• M9: 1,967,511 km (0.086 R)
• M10: 2,149,572 km (0.114 R)
• M11: 2,242,771 km (0.047 R)
• M12: 2,779,229 km (0.104 R)
• M13: 3,009,909 km (0.061 R)
• M14: 3,435,515 km (0.048 R)
• M15: 3,823,422 km (0.07 R)
• M16: 3,965,391 km (0.112 R)
• M17: 4,976,224 km (0.091 R)
• M18: 6,940,743 km (0.066 R)
• M19: 7,218,995 km (0.071 R)
• M20: 7,822,473 km (0.037 R)
• M21: 7,894,579 km (0.07 R)
• M22: 8,368,355 km (0.048 R)
• M23: 8,553,109 km (0.095 R)
• M24: 8,664,559 km (0.109 R)
• M25: 9,458,325 km (0.114 R)
• M26: 9,612,262 km (0.113 R)
• M27: 9,844,587 km (0.093 R)
• M28: 9,961,423 km (0.082 R)
• M29: 10,196,591 km (0.072 R)
• M30: 10,552,634 km (0.108 R)
• M31: 10,832,382 km (0.106 R)
• M32: 12,017,496 km (0.094 R)
• M33: 12,435,622 km (0.087 R)
• M34: 12,731,228 km (0.109 R)
• M35: 12,816,050 km (0.072 R)
• M36: 13,458,722 km (0.074 R)
• M37: 13,805,639 km (0.091 R)
• M38: 14,199,531 km (0.084 R)
• M39: 14,287,494 km (0.05 R)
• M40: 15,132,872 km (0.114 R)
• M41: 15,493,702 km (0.111 R)
• M42: 16,361,968 km (0.104 R)
• M43: 16,825,273 km (0.061 R)
• M44: 19,108,435 km (0.119 R)
• M45: 19,205,674 km (0.102 R)
• M46: 19,303,212 km (0.101 R)
• M47: 20,137,669 km (0.099 R)
• M48: 20,335,736 km (0.094 R)
• M49: 20,634,034 km (0.05 R)
• M50: 20,683,850 km (0.035 R)
• M51: 20,833,747 km (0.116 R)
• M52: 21,034,059 km (0.09 R)
• M53: 21,234,969 km (0.1 R)
• M54: 22,096,204 km (0.107 R)
• M55: 22,865,586 km (0.12 R)
• M56: 23,072,330 km (0.085 R)
• M57: 24,325,212 km (0.072 R)
• M58: 24,588,953 km (0.064 R)
• M59: 24,694,719 km (0.055 R)
• M60: 25,922,169 km (0.107 R)
• M61: 26,624,681 km (0.069 R)
• M62: 26,896,500 km (0.119 R)
• M63: 27,442,981 km (0.092 R)
• M64: 27,993,202 km (0.062 R)
• M65: 28,269,659 km (0.081 R)
• M66: 28,881,066 km (0.117 R)
• M67: 29,104,415 km (0.111 R)
• M68: 29,440,562 km (0.064 R)
• M69: 29,665,407 km (0.081 R)
• M70: 29,778,055 km (0.097 R)
• M71: 31,427,221 km (0.087 R)
• M72: 32,233,853 km (0.065 R)
• M73: 32,756,099 km (0.08 R)
• M74: 33,164,202 km (0.054 R)
• M75: 34,813,220 km (0.094 R)
• M76: 34,991,540 km (0.119 R)
• M77: 35,707,665 km (0.074 R)
• M78: 35,767,505 km (0.055 R)
• M79: 35,887,482 km (0.06 R)
• M80: 35,947,471 km (0.059 R)
• M81: 36,007,459 km (0.028 R)
• M82: 36,851,341 km (0.039 R)
• M83: 37,640,919 km (0.078 R)
• M84: 38,374,547 km (0.101 R)
• M85: 39,545,898 km (0.066 R)
• M86: 40,416,558 km (0.089 R)
• M87: 41,734,216 km (0.079 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 19,306 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit