🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.51 AU - 0.67 AU

Year: 163 Days

Day: 34.6 Hours

Environment

Temp: 218 °C

Axial Tilt: 23.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 116,485,690 km

• M1: 105,915 km (0.06 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.38 AU - 1.5 AU

Year: 622 Days

Day: 30.5 Hours

Environment

Temp: 5 °C

Axial Tilt: 39.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 116,485,690 km

• M1: 409,001 km (0.107 R)
• M2: 796,309 km (0.036 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.84 AU - 2.02 AU

Year: 965 Days

Day: 24.7 Hours

Environment

Temp: -52 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.09 AU - 3.23 AU

Year: 1561 Days

Day: 21.2 Hours

Environment

Temp: -98 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 3.62 AU - 3.72 AU

Year: 2530 Days

Day: 27.2 Hours

Environment

Temp: -121 °C

Axial Tilt: 7.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.13 AU - 5.03 AU

Year: 2966 Days

Day: 12.3 Hours

Environment

Temp: -122 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 3.62 AU - 5.58 AU

Year: 3551 Days

Day: 40 Hours

Environment

Temp: -120 °C

Axial Tilt: 37.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 116,485,690 km

• M1: 2,523,866 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597.2

Radius: 7.4

Gravity: 10.91 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 11.62 AU - 17.58 AU

Year: 20077 Days

Day: 20.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 116,485,690 km

• M1: 199,863 km (0.097 R)
• M2: 414,984 km (0.119 R)
• M3: 740,958 km (0.078 R)
• M4: 1,030,879 km (0.102 R)
• M5: 1,440,029 km (0.091 R)
• M6: 1,586,934 km (0.092 R)
• M7: 1,832,424 km (0.12 R)
• M8: 1,895,704 km (0.081 R)
• M9: 2,223,174 km (0.113 R)
• M10: 2,393,566 km (0.112 R)
• M11: 3,193,466 km (0.089 R)
• M12: 3,386,148 km (0.108 R)
• M13: 3,702,248 km (0.1 R)
• M14: 4,236,013 km (0.048 R)
• M15: 4,750,181 km (0.103 R)
• M16: 5,014,521 km (0.087 R)
• M17: 5,283,797 km (0.052 R)
• M18: 5,650,312 km (0.112 R)
• M19: 5,930,508 km (0.116 R)
• M20: 5,977,632 km (0.084 R)
• M21: 6,024,905 km (0.114 R)
• M22: 6,699,741 km (0.04 R)
• M23: 7,196,555 km (0.072 R)
• M24: 7,297,235 km (0.109 R)
• M25: 7,449,376 km (0.102 R)
• M26: 7,653,726 km (0.097 R)
• M27: 7,963,693 km (0.025 R)
• M28: 9,299,303 km (0.084 R)
• M29: 9,409,108 km (0.065 R)
• M30: 10,416,799 km (0.039 R)
• M31: 10,818,020 km (0.115 R)
• M32: 10,875,616 km (0.075 R)
• M33: 11,165,835 km (0.102 R)
• M34: 11,282,522 km (0.062 R)
• M35: 11,576,332 km (0.114 R)
• M36: 12,051,455 km (0.083 R)
• M37: 12,533,010 km (0.111 R)
• M38: 13,390,805 km (0.048 R)
• M39: 15,162,642 km (0.116 R)
• M40: 15,944,291 km (0.037 R)
• M41: 16,872,695 km (0.108 R)
• M42: 18,712,300 km (0.098 R)
• M43: 19,269,552 km (0.094 R)
• M44: 19,409,576 km (0.099 R)
• M45: 19,902,800 km (0.092 R)
• M46: 22,136,147 km (0.048 R)
• M47: 23,543,713 km (0.092 R)
• M48: 25,439,567 km (0.027 R)
• M49: 27,148,124 km (0.114 R)
• M50: 30,348,022 km (0.047 R)
• M51: 31,166,472 km (0.093 R)
• M52: 31,331,030 km (0.087 R)
• M53: 32,491,012 km (0.084 R)
• M54: 32,574,338 km (0.063 R)
• M55: 33,160,163 km (0.117 R)
• M56: 36,833,988 km (0.106 R)
• M57: 37,531,563 km (0.109 R)
• M58: 38,409,702 km (0.066 R)
• M59: 38,586,228 km (0.114 R)
• M60: 40,186,326 km (0.062 R)
• M61: 40,724,430 km (0.114 R)
• M62: 40,994,454 km (0.039 R)
• M63: 41,445,791 km (0.094 R)
• M64: 41,536,148 km (0.118 R)
• M65: 42,080,385 km (0.032 R)
• M66: 42,171,191 km (0.105 R)
• M67: 42,992,483 km (0.059 R)
• M68: 43,175,591 km (0.12 R)
• M69: 43,451,001 km (0.066 R)
• M70: 44,650,626 km (0.097 R)
• M71: 46,235,765 km (0.109 R)
• M72: 46,705,502 km (0.112 R)
• M73: 47,460,373 km (0.071 R)
• M74: 47,934,150 km (0.096 R)
• M75: 50,519,949 km (0.114 R)
• M76: 51,197,627 km (0.099 R)
• M77: 52,171,061 km (0.059 R)
• M78: 53,544,219 km (0.106 R)
• M79: 53,839,974 km (0.113 R)
• M80: 55,526,242 km (0.043 R)
• M81: 56,827,294 km (0.113 R)
• M82: 58,543,930 km (0.098 R)
• M83: 59,255,717 km (0.1 R)
• M84: 59,561,644 km (0.108 R)
• M85: 59,765,995 km (0.101 R)
• M86: 63,690,695 km (0.106 R)
• M87: 64,003,953 km (0.093 R)
• M88: 64,108,522 km (0.053 R)
• M89: 66,106,252 km (0.11 R)
• M90: 66,529,464 km (0.047 R)
• M91: 67,804,337 km (0.06 R)
• M92: 68,337,953 km (0.068 R)
• M93: 68,444,766 km (0.033 R)
• M94: 68,872,915 km (0.092 R)
• M95: 72,438,431 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 980.2

Radius: 6.6

Gravity: 22.5 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 12.88 AU - 17.64 AU

Year: 21454 Days

Day: 20.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 116,485,690 km

• M1: 134,638 km (0.086 R)
• M2: 215,122 km (0.104 R)
• M3: 436,975 km (0.112 R)
• M4: 1,085,632 km (0.111 R)
• M5: 1,271,731 km (0.058 R)
• M6: 1,709,006 km (0.109 R)
• M7: 1,889,122 km (0.117 R)
• M8: 2,306,650 km (0.095 R)
• M9: 2,586,996 km (0.064 R)
• M10: 2,710,564 km (0.05 R)
• M11: 3,223,984 km (0.09 R)
• M12: 3,767,024 km (0.078 R)
• M13: 4,683,909 km (0.089 R)
• M14: 5,401,680 km (0.026 R)
• M15: 6,098,507 km (0.068 R)
• M16: 7,224,979 km (0.111 R)
• M17: 7,399,410 km (0.101 R)
• M18: 7,871,391 km (0.099 R)
• M19: 8,906,459 km (0.088 R)
• M20: 9,281,949 km (0.072 R)
• M21: 9,471,640 km (0.091 R)
• M22: 10,048,339 km (0.096 R)
• M23: 10,834,925 km (0.068 R)
• M24: 13,310,919 km (0.049 R)
• M25: 13,668,009 km (0.087 R)
• M26: 14,979,983 km (0.116 R)
• M27: 15,128,234 km (0.095 R)
• M28: 15,202,435 km (0.115 R)
• M29: 15,426,084 km (0.076 R)
• M30: 16,484,040 km (0.03 R)
• M31: 18,669,365 km (0.07 R)
• M32: 19,795,688 km (0.101 R)
• M33: 21,442,461 km (0.105 R)
• M34: 23,648,282 km (0.087 R)
• M35: 24,777,895 km (0.067 R)
• M36: 25,129,002 km (0.106 R)
• M37: 25,305,228 km (0.108 R)
• M38: 25,925,161 km (0.087 R)
• M39: 26,460,423 km (0.108 R)
• M40: 29,006,279 km (0.054 R)
• M41: 29,841,035 km (0.115 R)
• M42: 31,249,649 km (0.104 R)
• M43: 31,344,344 km (0.071 R)
• M44: 33,065,019 km (0.048 R)
• M45: 34,620,089 km (0.108 R)
• M46: 35,603,994 km (0.077 R)
• M47: 36,099,462 km (0.066 R)
• M48: 37,498,651 km (0.091 R)
• M49: 37,901,817 km (0.068 R)
• M50: 38,205,052 km (0.118 R)
• M51: 39,630,720 km (0.077 R)
• M52: 40,763,026 km (0.067 R)
• M53: 41,073,741 km (0.085 R)
• M54: 43,693,050 km (0.105 R)
• M55: 43,798,965 km (0.103 R)
• M56: 44,862,606 km (0.043 R)
• M57: 45,290,456 km (0.088 R)
• M58: 46,906,861 km (0.1 R)
• M59: 47,232,386 km (0.047 R)
• M60: 48,213,599 km (0.117 R)
• M61: 48,871,380 km (0.07 R)
• M62: 52,317,218 km (0.1 R)
• M63: 53,106,047 km (0.091 R)
• M64: 53,332,239 km (0.098 R)
• M65: 56,070,479 km (0.077 R)
• M66: 58,037,541 km (0.089 R)
• M67: 63,232,776 km (0.103 R)
• M68: 64,916,799 km (0.114 R)
• M69: 67,470,285 km (0.097 R)
• M70: 68,574,617 km (0.112 R)
• M71: 69,437,647 km (0.112 R)
• M72: 70,056,384 km (0.051 R)
• M73: 70,925,697 km (0.079 R)
• M74: 71,424,007 km (0.107 R)
• M75: 71,923,365 km (0.098 R)
• M76: 72,298,856 km (0.072 R)
• M77: 74,564,665 km (0.108 R)
• M78: 78,135,417 km (0.101 R)
• M79: 78,521,230 km (0.069 R)
• M80: 79,424,053 km (0.069 R)
• M81: 79,553,305 km (0.116 R)
• M82: 79,682,558 km (0.058 R)
• M83: 81,240,021 km (0.04 R)
• M84: 81,630,921 km (0.117 R)
• M85: 82,153,167 km (0.117 R)
• M86: 83,069,603 km (0.086 R)
• M87: 83,594,841 km (0.109 R)
• M88: 86,503,323 km (0.106 R)
• M89: 89,444,716 km (0.115 R)

Planet 10 - Ice Giant

Semi-Major Axis: 20 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948.8

Radius: 3.3

Gravity: 87.13 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 18.12 AU - 21.88 AU

Year: 32190 Days

Day: 21.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 116,485,690 km

• M1: 322,234 km (0.066 R)
• M2: 346,020 km (0.1 R)
• M3: 1,542,952 km (0.064 R)
• M4: 2,197,593 km (0.078 R)
• M5: 3,946,541 km (0.078 R)
• M6: 4,116,634 km (0.091 R)
• M7: 4,289,270 km (0.115 R)
• M8: 6,671,018 km (0.112 R)
• M9: 8,712,281 km (0.082 R)
• M10: 8,933,686 km (0.06 R)
• M11: 9,457,428 km (0.074 R)
• M12: 9,914,150 km (0.086 R)
• M13: 10,222,770 km (0.05 R)
• M14: 10,770,149 km (0.083 R)
• M15: 11,087,297 km (0.053 R)
• M16: 12,386,105 km (0.096 R)
• M17: 12,634,887 km (0.082 R)
• M18: 13,053,312 km (0.114 R)
• M19: 13,306,431 km (0.093 R)
• M20: 14,596,563 km (0.054 R)
• M21: 14,684,078 km (0.114 R)
• M22: 14,859,407 km (0.115 R)
• M23: 18,320,354 km (0.111 R)
• M24: 18,414,600 km (0.099 R)
• M25: 23,740,284 km (0.104 R)
• M26: 24,983,742 km (0.044 R)
• M27: 25,613,399 km (0.088 R)
• M28: 26,674,497 km (0.09 R)
• M29: 28,183,790 km (0.065 R)
• M30: 28,839,178 km (0.094 R)
• M31: 29,499,503 km (0.06 R)
• M32: 30,164,765 km (0.088 R)
• M33: 31,510,099 km (0.113 R)
• M34: 31,849,536 km (0.057 R)
• M35: 32,303,865 km (0.097 R)
• M36: 33,334,146 km (0.035 R)
• M37: 35,309,286 km (0.036 R)
• M38: 35,426,721 km (0.118 R)
• M39: 37,322,126 km (0.053 R)
• M40: 37,561,333 km (0.098 R)
• M41: 43,579,206 km (0.115 R)
• M42: 44,589,740 km (0.105 R)
• M43: 45,991,771 km (0.083 R)
• M44: 46,891,602 km (0.086 R)
• M45: 49,362,809 km (0.113 R)
• M46: 49,625,354 km (0.04 R)
• M47: 52,410,268 km (0.033 R)
• M48: 52,678,197 km (0.091 R)
• M49: 54,837,493 km (0.118 R)
• M50: 60,501,119 km (0.059 R)
• M51: 62,335,189 km (0.052 R)
• M52: 65,336,421 km (0.093 R)
• M53: 66,347,254 km (0.087 R)
• M54: 67,654,590 km (0.103 R)
• M55: 67,800,298 km (0.081 R)
• M56: 68,092,164 km (0.066 R)
• M57: 68,238,321 km (0.117 R)
• M58: 68,970,303 km (0.104 R)
• M59: 69,263,814 km (0.078 R)
• M60: 73,566,249 km (0.072 R)
• M61: 75,674,083 km (0.108 R)
• M62: 76,279,954 km (0.075 R)
• M63: 76,431,647 km (0.073 R)
• M64: 77,649,074 km (0.096 R)
• M65: 78,107,143 km (0.087 R)
• M66: 78,566,259 km (0.099 R)
• M67: 80,257,163 km (0.05 R)
• M68: 80,720,318 km (0.055 R)
• M69: 81,184,520 km (0.111 R)
• M70: 81,494,338 km (0.108 R)
• M71: 81,960,036 km (0.099 R)
• M72: 84,301,093 km (0.027 R)
• M73: 84,614,949 km (0.094 R)
• M74: 86,822,565 km (0.053 R)
• M75: 86,980,989 km (0.093 R)
• M76: 87,298,137 km (0.093 R)
• M77: 88,092,501 km (0.101 R)
• M78: 88,251,673 km (0.106 R)
• M79: 92,423,808 km (0.096 R)
• M80: 93,720,373 km (0.084 R)
• M81: 94,045,449 km (0.102 R)
• M82: 95,186,133 km (0.091 R)
• M83: 95,349,494 km (0.035 R)
• M84: 96,003,835 km (0.095 R)
• M85: 107,012,294 km (0.093 R)
• M86: 108,544,176 km (0.052 R)
• M87: 109,740,510 km (0.042 R)
• M88: 111,113,220 km (0.111 R)
• M89: 113,355,842 km (0.049 R)
• M90: 115,091,177 km (0.109 R)
• M91: 115,962,136 km (0.067 R)

Kuiper Belt

Range: 30.5 - 53.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 19,433 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit