🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.83 AU - 0.87 AU

Year: 273 Days

Day: 20 Hours

Environment

Temp: 119 °C

Axial Tilt: 45.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 85,284,832 km

• M1: 576,101 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.93 AU - 1.37 AU

Year: 429 Days

Day: 13 Hours

Environment

Temp: 23 °C

Axial Tilt: 6.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.13 AU - 1.39 AU

Year: 493 Days

Day: 19.9 Hours

Environment

Temp: 6 °C

Axial Tilt: 12 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.03 AU - 1.55 AU

Year: 510 Days

Day: 18 Hours

Environment

Temp: 33 °C

Axial Tilt: 20 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 85,284,832 km

• M1: 209,587 km (0.113 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.26 AU - 1.44 AU

Year: 546 Days

Day: 13 Hours

Environment

Temp: 7 °C

Axial Tilt: 37.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 85,284,832 km

• M1: 139,425 km (0.09 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.44 AU - 1.74 AU

Year: 698 Days

Day: 12.1 Hours

Environment

Temp: -4 °C

Axial Tilt: 13.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 85,284,832 km

• M1: 991,385 km (0.083 R)

Asteroid Belt

Center: 7.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 14.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.5

Radius: 4.7

Gravity: 33.34 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 13.1 AU - 14.96 AU

Year: 18301 Days

Day: 16.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 85,284,832 km

• M1: 70,461 km (0.115 R)
• M2: 180,116 km (0.052 R)
• M3: 314,455 km (0.079 R)
• M4: 782,696 km (0.066 R)
• M5: 879,187 km (0.107 R)
• M6: 1,303,147 km (0.093 R)
• M7: 1,360,144 km (0.067 R)
• M8: 1,688,511 km (0.064 R)
• M9: 1,877,752 km (0.102 R)
• M10: 2,276,281 km (0.053 R)
• M11: 2,449,964 km (0.12 R)
• M12: 2,773,395 km (0.117 R)
• M13: 2,810,046 km (0.057 R)
• M14: 2,921,347 km (0.089 R)
• M15: 3,225,330 km (0.083 R)
• M16: 3,862,916 km (0.041 R)
• M17: 4,451,883 km (0.114 R)
• M18: 4,800,895 km (0.106 R)
• M19: 5,525,248 km (0.095 R)
• M20: 5,618,148 km (0.11 R)
• M21: 5,758,471 km (0.082 R)
• M22: 6,624,643 km (0.077 R)
• M23: 7,789,262 km (0.106 R)
• M24: 8,209,034 km (0.113 R)
• M25: 8,475,019 km (0.116 R)
• M26: 8,798,000 km (0.034 R)
• M27: 9,511,582 km (0.078 R)
• M28: 9,678,982 km (0.117 R)
• M29: 10,073,173 km (0.114 R)
• M30: 10,357,857 km (0.12 R)
• M31: 10,935,305 km (0.091 R)
• M32: 10,993,648 km (0.073 R)
• M33: 11,821,074 km (0.092 R)
• M34: 11,880,913 km (0.094 R)
• M35: 12,121,317 km (0.093 R)
• M36: 12,852,252 km (0.114 R)
• M37: 12,913,887 km (0.076 R)
• M38: 12,975,521 km (0.113 R)
• M39: 13,161,022 km (0.083 R)
• M40: 13,409,804 km (0.076 R)
• M41: 13,785,893 km (0.117 R)
• M42: 14,038,563 km (0.066 R)
• M43: 14,101,993 km (0.078 R)
• M44: 14,548,393 km (0.09 R)
• M45: 15,981,690 km (0.051 R)
• M46: 16,114,084 km (0.064 R)
• M47: 18,283,253 km (0.094 R)
• M48: 19,331,186 km (0.12 R)
• M49: 19,401,797 km (0.119 R)
• M50: 21,924,466 km (0.111 R)
• M51: 25,547,876 km (0.077 R)
• M52: 27,032,485 km (0.047 R)
• M53: 27,348,585 km (0.111 R)
• M54: 27,745,319 km (0.032 R)
• M55: 28,224,032 km (0.061 R)
• M56: 28,866,704 km (0.113 R)
• M57: 29,351,701 km (0.118 R)
• M58: 29,921,070 km (0.108 R)
• M59: 30,002,601 km (0.114 R)
• M60: 31,401,640 km (0.071 R)
• M61: 31,484,667 km (0.089 R)
• M62: 31,817,223 km (0.053 R)
• M63: 32,569,700 km (0.116 R)
• M64: 32,821,773 km (0.106 R)
• M65: 33,497,357 km (0.101 R)
• M66: 34,433,540 km (0.095 R)
• M67: 35,033,877 km (0.096 R)
• M68: 36,071,039 km (0.101 R)
• M69: 36,680,650 km (0.097 R)
• M70: 36,855,530 km (0.117 R)
• M71: 37,733,669 km (0.093 R)
• M72: 41,314,743 km (0.118 R)
• M73: 41,587,610 km (0.117 R)
• M74: 42,869,065 km (0.069 R)
• M75: 43,514,729 km (0.117 R)
• M76: 43,885,134 km (0.12 R)
• M77: 44,815,633 km (0.043 R)
• M78: 47,265,148 km (0.059 R)
• M79: 48,314,428 km (0.118 R)
• M80: 48,986,272 km (0.092 R)
• M81: 49,371,486 km (0.049 R)
• M82: 50,241,996 km (0.042 R)
• M83: 50,339,085 km (0.106 R)
• M84: 53,278,982 km (0.106 R)
• M85: 55,469,993 km (0.075 R)
• M86: 55,771,133 km (0.118 R)
• M87: 56,274,081 km (0.093 R)
• M88: 57,588,897 km (0.089 R)
• M89: 57,893,628 km (0.07 R)
• M90: 61,178,498 km (0.109 R)
• M91: 63,996,772 km (0.067 R)
• M92: 64,628,823 km (0.069 R)
• M93: 65,368,734 km (0.087 R)
• M94: 66,324,216 km (0.081 R)
• M95: 70,952,624 km (0.09 R)
• M96: 71,715,873 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 359.2

Radius: 7.7

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 19.7 AU - 21.68 AU

Year: 32774 Days

Day: 23.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 85,284,832 km

• M1: 268,229 km (0.087 R)
• M2: 473,776 km (0.091 R)
• M3: 777,311 km (0.109 R)
• M4: 855,401 km (0.101 R)
• M5: 1,776,026 km (0.068 R)
• M6: 2,059,663 km (0.094 R)
• M7: 2,281,816 km (0.032 R)
• M8: 2,511,748 km (0.057 R)
• M9: 2,952,912 km (0.088 R)
• M10: 3,246,124 km (0.092 R)
• M11: 3,637,023 km (0.079 R)
• M12: 3,996,956 km (0.109 R)
• M13: 4,654,139 km (0.115 R)
• M14: 6,710,212 km (0.048 R)
• M15: 7,206,877 km (0.03 R)
• M16: 7,375,025 km (0.09 R)
• M17: 8,118,826 km (0.081 R)
• M18: 8,411,290 km (0.059 R)
• M19: 8,588,414 km (0.099 R)
• M20: 8,946,401 km (0.11 R)
• M21: 9,309,176 km (0.057 R)
• M22: 9,431,248 km (0.048 R)
• M23: 10,111,918 km (0.113 R)
• M24: 10,936,652 km (0.108 R)
• M25: 11,000,979 km (0.094 R)
• M26: 11,065,455 km (0.108 R)
• M27: 11,324,559 km (0.048 R)
• M28: 12,313,999 km (0.114 R)
• M29: 12,515,208 km (0.06 R)
• M30: 12,920,918 km (0.076 R)
• M31: 13,193,784 km (0.026 R)
• M32: 13,675,938 km (0.097 R)
• M33: 18,114,657 km (0.093 R)
• M34: 18,958,538 km (0.11 R)
• M35: 19,268,655 km (0.075 R)
• M36: 19,502,326 km (0.068 R)
• M37: 20,208,877 km (0.12 R)
• M38: 22,378,495 km (0.105 R)
• M39: 24,116,523 km (0.041 R)
• M40: 24,284,222 km (0.091 R)
• M41: 26,327,729 km (0.048 R)
• M42: 26,500,515 km (0.115 R)
• M43: 26,847,133 km (0.114 R)
• M44: 27,808,299 km (0.078 R)
• M45: 28,425,690 km (0.049 R)
• M46: 28,691,675 km (0.106 R)
• M47: 30,667,563 km (0.108 R)
• M48: 32,409,032 km (0.056 R)
• M49: 33,245,135 km (0.094 R)
• M50: 33,618,980 km (0.059 R)
• M51: 34,465,255 km (0.099 R)
• M52: 34,748,893 km (0.06 R)
• M53: 37,530,515 km (0.097 R)
• M54: 38,408,356 km (0.075 R)
• M55: 40,781,876 km (0.114 R)
• M56: 41,182,050 km (0.034 R)
• M57: 41,684,100 km (0.035 R)
• M58: 43,712,498 km (0.091 R)
• M59: 43,917,148 km (0.088 R)
• M60: 44,019,622 km (0.109 R)
• M61: 45,151,480 km (0.11 R)
• M62: 46,501,601 km (0.106 R)
• M63: 50,523,240 km (0.118 R)
• M64: 51,816,214 km (0.12 R)
• M65: 52,901,996 km (0.09 R)
• M66: 53,011,053 km (0.072 R)
• M67: 53,557,085 km (0.109 R)
• M68: 54,654,834 km (0.048 R)
• M69: 58,667,797 km (0.12 R)
• M70: 60,253,834 km (0.077 R)
• M71: 61,280,823 km (0.06 R)
• M72: 61,624,449 km (0.054 R)
• M73: 62,543,878 km (0.105 R)
• M74: 63,699,671 km (0.093 R)
• M75: 64,512,885 km (0.028 R)
• M76: 65,446,376 km (0.106 R)
• M77: 65,680,496 km (0.064 R)
• M78: 66,032,201 km (0.1 R)
• M79: 66,149,486 km (0.114 R)
• M80: 66,266,920 km (0.038 R)
• M81: 67,090,905 km (0.08 R)
• M82: 68,273,775 km (0.117 R)
• M83: 71,381,671 km (0.11 R)
• M84: 73,195,396 km (0.12 R)
• M85: 75,514,612 km (0.075 R)
• M86: 75,883,071 km (0.109 R)
• M87: 76,006,041 km (0.053 R)
• M88: 77,981,929 km (0.062 R)
• M89: 78,230,112 km (0.091 R)
• M90: 78,478,594 km (0.051 R)
• M91: 80,726,302 km (0.111 R)
• M92: 81,858,010 km (0.096 R)
• M93: 82,741,984 km (0.118 R)
• M94: 84,137,433 km (0.077 R)
• M95: 84,774,271 km (0.105 R)

Kuiper Belt

Range: 31.5 - 46.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 268 - 13,122 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit