🌌 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: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.4 AU - 0.64 AU

Year: 132 Days

Day: 17.9 Hours

Environment

Temp: 224 °C

Axial Tilt: 33.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.98 AU - 1.28 AU

Year: 422 Days

Day: 47.6 Hours

Environment

Temp: 35 °C

Axial Tilt: 20.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.84 AU - 2.36 AU

Year: 1070 Days

Day: 13.8 Hours

Environment

Temp: -61 °C

Axial Tilt: 11.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 105,884,705 km

• M1: 1,351,018 km (0.06 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.91 AU - 3.43 AU

Year: 1984 Days

Day: 35.4 Hours

Environment

Temp: -91 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.15 AU - 3.51 AU

Year: 2136 Days

Day: 30.6 Hours

Environment

Temp: -103 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.02 AU - 4.32 AU

Year: 2471 Days

Day: 25.7 Hours

Environment

Temp: -100 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 105,884,705 km

• M1: 967,449 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 836.5

Radius: 6.1

Gravity: 22.48 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 17.97 AU - 21.23 AU

Year: 30497 Days

Day: 17 Hours

Environment

Temp: -203 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 105,884,705 km

• M1: 235,467 km (0.105 R)
• M2: 403,465 km (0.051 R)
• M3: 663,467 km (0.05 R)
• M4: 1,316,012 km (0.115 R)
• M5: 1,778,419 km (0.049 R)
• M6: 2,112,771 km (0.087 R)
• M7: 2,466,570 km (0.07 R)
• M8: 2,557,974 km (0.07 R)
• M9: 3,031,601 km (0.093 R)
• M10: 3,897,324 km (0.054 R)
• M11: 4,329,662 km (0.078 R)
• M12: 4,777,258 km (0.093 R)
• M13: 5,006,592 km (0.096 R)
• M14: 5,595,559 km (0.107 R)
• M15: 7,958,158 km (0.106 R)
• M16: 10,142,736 km (0.069 R)
• M17: 10,216,188 km (0.051 R)
• M18: 11,338,023 km (0.052 R)
• M19: 11,797,737 km (0.114 R)
• M20: 12,656,129 km (0.103 R)
• M21: 13,373,451 km (0.113 R)
• M22: 13,534,568 km (0.074 R)
• M23: 14,847,140 km (0.09 R)
• M24: 15,687,880 km (0.071 R)
• M25: 15,943,094 km (0.104 R)
• M26: 16,457,711 km (0.117 R)
• M27: 16,630,346 km (0.101 R)
• M28: 17,679,476 km (0.068 R)
• M29: 18,211,895 km (0.083 R)
• M30: 18,569,883 km (0.108 R)
• M31: 19,566,205 km (0.101 R)
• M32: 20,486,980 km (0.11 R)
• M33: 20,579,730 km (0.08 R)
• M34: 22,465,860 km (0.106 R)
• M35: 23,916,361 km (0.076 R)
• M36: 26,299,455 km (0.107 R)
• M37: 27,416,652 km (0.114 R)
• M38: 29,487,386 km (0.06 R)
• M39: 30,224,006 km (0.084 R)
• M40: 30,541,452 km (0.074 R)
• M41: 31,607,936 km (0.074 R)
• M42: 32,145,740 km (0.106 R)
• M43: 32,469,769 km (0.1 R)
• M44: 33,230,325 km (0.084 R)
• M45: 33,448,588 km (0.055 R)
• M46: 36,555,287 km (0.03 R)
• M47: 36,780,731 km (0.032 R)
• M48: 37,800,839 km (0.11 R)
• M49: 38,485,997 km (0.117 R)
• M50: 39,521,513 km (0.112 R)
• M51: 42,564,035 km (0.089 R)
• M52: 43,873,764 km (0.033 R)
• M53: 44,233,248 km (0.116 R)
• M54: 48,746,466 km (0.079 R)
• M55: 49,616,677 km (0.076 R)
• M56: 50,868,811 km (0.061 R)
• M57: 50,994,623 km (0.104 R)
• M58: 51,498,768 km (0.096 R)
• M59: 53,915,821 km (0.095 R)
• M60: 54,172,531 km (0.093 R)
• M61: 62,056,189 km (0.062 R)
• M62: 63,539,900 km (0.098 R)
• M63: 65,581,911 km (0.083 R)
• M64: 67,369,008 km (0.118 R)
• M65: 67,507,086 km (0.042 R)
• M66: 67,645,315 km (0.105 R)
• M67: 68,199,126 km (0.096 R)
• M68: 68,337,803 km (0.025 R)
• M69: 69,171,961 km (0.105 R)
• M70: 70,990,922 km (0.105 R)
• M71: 71,694,630 km (0.061 R)
• M72: 72,259,362 km (0.097 R)
• M73: 74,818,533 km (0.104 R)
• M74: 75,247,879 km (0.091 R)
• M75: 80,464,356 km (0.118 R)
• M76: 80,610,962 km (0.089 R)
• M77: 86,996,547 km (0.076 R)
• M78: 89,261,908 km (0.075 R)
• M79: 89,413,750 km (0.062 R)
• M80: 89,869,425 km (0.092 R)
• M81: 90,173,557 km (0.099 R)
• M82: 90,325,848 km (0.104 R)
• M83: 90,935,609 km (0.078 R)
• M84: 93,850,823 km (0.094 R)
• M85: 95,087,399 km (0.074 R)
• M86: 95,862,914 km (0.115 R)
• M87: 96,329,360 km (0.098 R)
• M88: 97,576,707 km (0.038 R)
• M89: 97,732,887 km (0.074 R)
• M90: 98,829,290 km (0.111 R)
• M91: 100,087,259 km (0.062 R)
• M92: 101,508,887 km (0.102 R)
• M93: 101,984,309 km (0.092 R)
• M94: 104,212,270 km (0.107 R)
• M95: 104,372,041 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686.8

Radius: 6.7

Gravity: 15.3 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 16.21 AU - 24.93 AU

Year: 32789 Days

Day: 20.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 105,884,705 km

• M1: 145,260 km (0.118 R)
• M2: 189,092 km (0.111 R)
• M3: 660,774 km (0.109 R)
• M4: 1,161,328 km (0.117 R)
• M5: 1,337,854 km (0.091 R)
• M6: 1,918,144 km (0.085 R)
• M7: 2,613,325 km (0.089 R)
• M8: 2,987,769 km (0.091 R)
• M9: 3,943,250 km (0.102 R)
• M10: 4,481,354 km (0.049 R)
• M11: 6,602,352 km (0.046 R)
• M12: 8,776,608 km (0.083 R)
• M13: 8,984,399 km (0.111 R)
• M14: 9,054,112 km (0.086 R)
• M15: 9,263,998 km (0.108 R)
• M16: 9,475,529 km (0.114 R)
• M17: 9,975,485 km (0.055 R)
• M18: 11,526,067 km (0.08 R)
• M19: 12,136,277 km (0.059 R)
• M20: 13,787,389 km (0.089 R)
• M21: 14,028,989 km (0.101 R)
• M22: 15,257,936 km (0.118 R)
• M23: 15,675,164 km (0.114 R)
• M24: 16,435,720 km (0.038 R)
• M25: 17,035,458 km (0.027 R)
• M26: 17,992,435 km (0.116 R)
• M27: 19,325,203 km (0.081 R)
• M28: 19,867,345 km (0.08 R)
• M29: 21,151,344 km (0.1 R)
• M30: 21,803,291 km (0.025 R)
• M31: 22,084,834 km (0.082 R)
• M32: 23,606,245 km (0.055 R)
• M33: 23,895,268 km (0.073 R)
• M34: 24,088,548 km (0.114 R)
• M35: 25,653,791 km (0.114 R)
• M36: 26,149,708 km (0.069 R)
• M37: 27,352,624 km (0.106 R)
• M38: 28,266,667 km (0.097 R)
• M39: 29,293,956 km (0.115 R)
• M40: 30,228,943 km (0.093 R)
• M41: 31,279,120 km (0.077 R)
• M42: 31,384,885 km (0.063 R)
• M43: 31,702,631 km (0.105 R)
• M44: 33,307,517 km (0.039 R)
• M45: 34,283,045 km (0.118 R)
• M46: 34,719,571 km (0.094 R)
• M47: 35,158,043 km (0.059 R)
• M48: 38,391,152 km (0.053 R)
• M49: 39,527,797 km (0.071 R)
• M50: 41,021,980 km (0.12 R)
• M51: 42,768,834 km (0.111 R)
• M52: 43,474,338 km (0.115 R)
• M53: 43,828,586 km (0.075 R)
• M54: 45,255,001 km (0.096 R)
• M55: 46,334,799 km (0.06 R)
• M56: 46,817,402 km (0.043 R)
• M57: 48,031,239 km (0.117 R)
• M58: 50,365,863 km (0.102 R)
• M59: 50,862,079 km (0.114 R)
• M60: 52,737,289 km (0.114 R)
• M61: 58,106,805 km (0.052 R)
• M62: 60,987,910 km (0.097 R)
• M63: 63,246,090 km (0.103 R)
• M64: 65,531,347 km (0.099 R)
• M65: 70,597,778 km (0.11 R)
• M66: 71,988,590 km (0.112 R)
• M67: 73,669,471 km (0.1 R)
• M68: 74,514,699 km (0.113 R)
• M69: 76,784,398 km (0.114 R)
• M70: 77,641,444 km (0.046 R)
• M71: 78,214,554 km (0.05 R)
• M72: 79,364,962 km (0.069 R)
• M73: 79,653,386 km (0.036 R)
• M74: 80,231,283 km (0.107 R)
• M75: 81,536,973 km (0.114 R)
• M76: 81,827,941 km (0.062 R)
• M77: 82,557,231 km (0.115 R)
• M78: 83,288,615 km (0.092 R)
• M79: 83,581,677 km (0.082 R)
• M80: 84,316,053 km (0.097 R)
• M81: 85,347,829 km (0.106 R)
• M82: 88,318,544 km (0.048 R)
• M83: 92,230,827 km (0.107 R)
• M84: 92,837,746 km (0.113 R)
• M85: 92,989,588 km (0.103 R)
• M86: 93,141,729 km (0.106 R)
• M87: 94,513,541 km (0.052 R)
• M88: 95,585,111 km (0.029 R)
• M89: 99,911,631 km (0.087 R)
• M90: 101,159,576 km (0.083 R)
• M91: 104,459,556 km (0.06 R)

Kuiper Belt

Range: 31.2 - 59.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 164 - 15,948 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit