🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.97 AU - 1.17 AU

Year: 389 Days

Day: 41.9 Hours

Environment

Temp: 69 °C

Axial Tilt: 0.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.45 AU - 1.71 AU

Year: 698 Days

Day: 21.3 Hours

Environment

Temp: -31 °C

Axial Tilt: 43.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,886,041 km

• M1: 294,259 km (0.09 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.63 AU - 1.85 AU

Year: 807 Days

Day: 37.3 Hours

Environment

Temp: -33 °C

Axial Tilt: 9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 92,886,041 km

• M1: 240,404 km (0.085 R)
• M2: 346,169 km (0.047 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.1 AU - 2.22 AU

Year: 1116 Days

Day: 31 Hours

Environment

Temp: -56 °C

Axial Tilt: 132.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 92,886,041 km

• M1: 42,336 km (0.078 R)
• M2: 243,396 km (0.037 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.87 AU - 3.55 AU

Year: 2021 Days

Day: 19.3 Hours

Environment

Temp: -106 °C

Axial Tilt: 7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,886,041 km

• M1: 967,449 km (0.034 R)

Planet 6 - Terrestrial

Semi-Major Axis: 5.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 5.04 AU - 5.66 AU

Year: 4349 Days

Day: 29.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 3.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 11.12 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 16.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.9

Radius: 8

Gravity: 8.5 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 13.34 AU - 20.42 AU

Year: 24375 Days

Day: 22.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 92,886,041 km

• M1: 119,828 km (0.101 R)
• M2: 475,721 km (0.06 R)
• M3: 917,633 km (0.074 R)
• M4: 970,441 km (0.081 R)
• M5: 1,250,189 km (0.069 R)
• M6: 1,781,711 km (0.091 R)
• M7: 2,195,498 km (0.117 R)
• M8: 2,525,062 km (0.114 R)
• M9: 2,949,172 km (0.087 R)
• M10: 3,437,161 km (0.104 R)
• M11: 5,238,020 km (0.097 R)
• M12: 6,027,747 km (0.078 R)
• M13: 6,180,038 km (0.1 R)
• M14: 6,488,359 km (0.091 R)
• M15: 6,907,233 km (0.112 R)
• M16: 7,443,092 km (0.1 R)
• M17: 7,606,453 km (0.049 R)
• M18: 7,826,213 km (0.093 R)
• M19: 8,328,113 km (0.098 R)
• M20: 10,377,604 km (0.109 R)
• M21: 11,489,266 km (0.054 R)
• M22: 12,059,234 km (0.105 R)
• M23: 12,508,925 km (0.063 R)
• M24: 12,573,551 km (0.035 R)
• M25: 13,690,300 km (0.108 R)
• M26: 15,113,125 km (0.103 R)
• M27: 16,087,456 km (0.112 R)
• M28: 16,511,267 km (0.046 R)
• M29: 18,316,464 km (0.105 R)
• M30: 18,981,576 km (0.113 R)
• M31: 19,429,323 km (0.095 R)
• M32: 19,579,369 km (0.071 R)
• M33: 20,640,467 km (0.068 R)
• M34: 20,716,912 km (0.115 R)
• M35: 21,255,165 km (0.074 R)
• M36: 21,720,115 km (0.088 R)
• M37: 21,797,906 km (0.042 R)
• M38: 22,738,876 km (0.083 R)
• M39: 22,818,014 km (0.043 R)
• M40: 26,135,646 km (0.101 R)
• M41: 26,633,657 km (0.042 R)
• M42: 27,977,046 km (0.09 R)
• M43: 28,316,184 km (0.09 R)
• M44: 28,656,968 km (0.051 R)
• M45: 28,827,659 km (0.108 R)
• M46: 30,032,969 km (0.052 R)
• M47: 31,254,735 km (0.104 R)
• M48: 31,695,002 km (0.081 R)
• M49: 31,960,089 km (0.066 R)
• M50: 35,840,359 km (0.117 R)
• M51: 36,393,572 km (0.067 R)
• M52: 36,486,023 km (0.119 R)
• M53: 37,042,527 km (0.036 R)
• M54: 37,695,223 km (0.099 R)
• M55: 37,882,519 km (0.091 R)
• M56: 37,976,167 km (0.097 R)
• M57: 38,069,965 km (0.12 R)
• M58: 38,445,905 km (0.118 R)
• M59: 42,272,469 km (0.115 R)
• M60: 42,759,260 km (0.06 R)
• M61: 43,443,970 km (0.049 R)
• M62: 43,738,528 km (0.096 R)
• M63: 44,824,010 km (0.047 R)
• M64: 45,121,710 km (0.074 R)
• M65: 45,918,468 km (0.037 R)
• M66: 46,018,399 km (0.041 R)
• M67: 46,519,253 km (0.065 R)
• M68: 47,122,432 km (0.075 R)
• M69: 47,223,261 km (0.062 R)
• M70: 48,235,290 km (0.057 R)
• M71: 48,336,867 km (0.118 R)
• M72: 48,845,799 km (0.113 R)
• M73: 50,589,662 km (0.092 R)
• M74: 51,521,207 km (0.088 R)
• M75: 52,771,995 km (0.085 R)
• M76: 55,303,341 km (0.087 R)
• M77: 55,516,069 km (0.109 R)
• M78: 55,835,610 km (0.086 R)
• M79: 60,373,961 km (0.12 R)
• M80: 61,802,471 km (0.056 R)
• M81: 62,244,233 km (0.095 R)
• M82: 62,687,043 km (0.089 R)
• M83: 63,019,898 km (0.119 R)
• M84: 64,692,702 km (0.104 R)
• M85: 69,913,218 km (0.059 R)
• M86: 71,181,509 km (0.096 R)
• M87: 73,273,187 km (0.118 R)
• M88: 74,913,976 km (0.09 R)
• M89: 75,385,060 km (0.064 R)
• M90: 75,620,826 km (0.092 R)
• M91: 77,160,039 km (0.094 R)
• M92: 77,278,969 km (0.096 R)
• M93: 78,112,379 km (0.057 R)
• M94: 78,231,758 km (0.042 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 662.8

Radius: 4

Gravity: 41.43 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 17.62 AU - 18.9 AU

Year: 27424 Days

Day: 20 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 92,886,041 km

• M1: 52,658 km (0.074 R)
• M2: 104,120 km (0.092 R)
• M3: 171,738 km (0.12 R)
• M4: 332,257 km (0.114 R)
• M5: 416,780 km (0.113 R)
• M6: 1,956,591 km (0.093 R)
• M7: 1,994,888 km (0.116 R)
• M8: 2,150,320 km (0.066 R)
• M9: 2,682,739 km (0.104 R)
• M10: 3,717,507 km (0.079 R)
• M11: 3,812,801 km (0.101 R)
• M12: 4,603,575 km (0.094 R)
• M13: 4,808,973 km (0.092 R)
• M14: 5,824,892 km (0.041 R)
• M15: 5,880,244 km (0.068 R)
• M16: 6,215,492 km (0.062 R)
• M17: 6,442,432 km (0.105 R)
• M18: 7,257,890 km (0.094 R)
• M19: 9,175,885 km (0.118 R)
• M20: 9,304,688 km (0.113 R)
• M21: 10,356,810 km (0.101 R)
• M22: 10,625,638 km (0.034 R)
• M23: 11,446,032 km (0.062 R)
• M24: 12,357,532 km (0.097 R)
• M25: 13,657,388 km (0.105 R)
• M26: 13,730,990 km (0.112 R)
• M27: 15,841,367 km (0.087 R)
• M28: 16,462,647 km (0.099 R)
• M29: 17,091,856 km (0.06 R)
• M30: 18,617,455 km (0.115 R)
• M31: 19,190,415 km (0.1 R)
• M32: 19,272,694 km (0.112 R)
• M33: 20,605,760 km (0.106 R)
• M34: 20,859,030 km (0.104 R)
• M35: 20,943,702 km (0.074 R)
• M36: 22,747,553 km (0.101 R)
• M37: 23,184,229 km (0.028 R)
• M38: 23,623,748 km (0.058 R)
• M39: 24,154,820 km (0.092 R)
• M40: 24,332,842 km (0.12 R)
• M41: 25,048,667 km (0.114 R)
• M42: 25,680,868 km (0.1 R)
• M43: 29,581,932 km (0.084 R)
• M44: 29,677,076 km (0.086 R)
• M45: 30,633,754 km (0.067 R)
• M46: 31,019,268 km (0.062 R)
• M47: 33,168,242 km (0.068 R)
• M48: 33,861,927 km (0.08 R)
• M49: 34,061,042 km (0.109 R)
• M50: 34,260,456 km (0.109 R)
• M51: 35,971,706 km (0.058 R)
• M52: 36,480,189 km (0.085 R)
• M53: 36,684,390 km (0.031 R)
• M54: 36,786,565 km (0.113 R)
• M55: 37,196,164 km (0.071 R)
• M56: 37,916,777 km (0.068 R)
• M57: 38,434,386 km (0.056 R)
• M58: 38,745,998 km (0.111 R)
• M59: 40,316,776 km (0.06 R)
• M60: 40,633,474 km (0.09 R)
• M61: 41,269,265 km (0.106 R)
• M62: 41,588,358 km (0.096 R)
• M63: 41,801,535 km (0.101 R)
• M64: 42,336,048 km (0.102 R)
• M65: 42,550,571 km (0.066 R)
• M66: 44,933,516 km (0.044 R)
• M67: 46,251,323 km (0.053 R)
• M68: 47,025,941 km (0.11 R)
• M69: 47,916,497 km (0.077 R)
• M70: 48,139,996 km (0.117 R)
• M71: 49,827,311 km (0.107 R)
• M72: 50,507,682 km (0.113 R)
• M73: 54,071,253 km (0.092 R)
• M74: 54,653,637 km (0.032 R)
• M75: 56,531,091 km (0.119 R)
• M76: 60,348,679 km (0.081 R)
• M77: 61,194,804 km (0.071 R)
• M78: 65,360,207 km (0.07 R)
• M79: 66,353,537 km (0.116 R)
• M80: 68,103,683 km (0.039 R)
• M81: 69,869,087 km (0.102 R)
• M82: 71,266,780 km (0.066 R)
• M83: 73,444,775 km (0.111 R)
• M84: 75,514,612 km (0.1 R)
• M85: 76,295,812 km (0.076 R)
• M86: 77,079,555 km (0.057 R)
• M87: 79,446,941 km (0.077 R)
• M88: 81,038,363 km (0.116 R)
• M89: 81,837,964 km (0.111 R)
• M90: 82,640,257 km (0.075 R)
• M91: 83,176,566 km (0.11 R)
• M92: 86,962,888 km (0.077 R)
• M93: 91,358,522 km (0.04 R)
• M94: 91,912,932 km (0.085 R)

Kuiper Belt

Range: 31.2 - 58.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 11,078 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit