🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.6 AU - 0.72 AU

Year: 155 Days

Day: 37.7 Hours

Environment

Temp: 351 °C

Axial Tilt: 24.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.68 AU - 0.92 AU

Year: 207 Days

Day: 36.1 Hours

Environment

Temp: 299 °C

Axial Tilt: 16.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.05 AU - 1.53 AU

Year: 423 Days

Day: 37.3 Hours

Environment

Temp: 146 °C

Axial Tilt: 39.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 2.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.81 AU - 2.57 AU

Year: 936 Days

Day: 20.5 Hours

Environment

Temp: 40 °C

Axial Tilt: 26.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.36

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.84 AU - 2.62 AU

Year: 962 Days

Day: 28.4 Hours

Environment

Temp: 23 °C

Axial Tilt: 37.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 61,366,307 km

• M1: 80,484 km (0.091 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.07

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 2.03 AU - 2.67 AU

Year: 1040 Days

Day: 15 Hours

Environment

Temp: 36 °C

Axial Tilt: 28.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 7 - Terrestrial

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.93

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 7.32 AU - 7.56 AU

Year: 5860 Days

Day: 37.4 Hours

Environment

Temp: -116 °C

Axial Tilt: 16.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.4 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 13.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981

Radius: 9.7

Gravity: 10.43 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 13.11 AU - 13.59 AU

Year: 14085 Days

Day: 12.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 61,366,307 km

• M1: 126,709 km (0.06 R)
• M2: 312,360 km (0.07 R)
• M3: 662,719 km (0.112 R)
• M4: 789,278 km (0.102 R)
• M5: 1,116,599 km (0.051 R)
• M6: 1,243,607 km (0.116 R)
• M7: 2,459,389 km (0.096 R)
• M8: 2,902,498 km (0.115 R)
• M9: 3,008,413 km (0.112 R)
• M10: 3,785,275 km (0.073 R)
• M11: 3,979,154 km (0.107 R)
• M12: 4,787,132 km (0.103 R)
• M13: 5,338,998 km (0.116 R)
• M14: 6,091,326 km (0.104 R)
• M15: 6,181,982 km (0.111 R)
• M16: 6,970,962 km (0.12 R)
• M17: 7,890,091 km (0.08 R)
• M18: 8,490,128 km (0.117 R)
• M19: 8,591,555 km (0.079 R)
• M20: 9,628,119 km (0.083 R)
• M21: 9,734,034 km (0.117 R)
• M22: 10,540,068 km (0.105 R)
• M23: 11,760,786 km (0.049 R)
• M24: 12,445,496 km (0.097 R)
• M25: 12,792,563 km (0.111 R)
• M26: 12,908,950 km (0.062 R)
• M27: 13,084,279 km (0.114 R)
• M28: 13,378,238 km (0.102 R)
• M29: 14,758,428 km (0.072 R)
• M30: 16,562,279 km (0.088 R)
• M31: 17,328,969 km (0.102 R)
• M32: 18,041,802 km (0.087 R)
• M33: 19,029,448 km (0.057 R)
• M34: 19,697,552 km (0.047 R)
• M35: 20,034,446 km (0.072 R)
• M36: 21,886,767 km (0.066 R)
• M37: 22,516,275 km (0.086 R)
• M38: 23,293,735 km (0.098 R)
• M39: 23,364,943 km (0.08 R)
• M40: 24,368,147 km (0.062 R)
• M41: 25,899,281 km (0.075 R)
• M42: 26,788,192 km (0.114 R)
• M43: 27,611,728 km (0.113 R)
• M44: 28,900,813 km (0.058 R)
• M45: 29,283,783 km (0.083 R)
• M46: 30,676,091 km (0.066 R)
• M47: 31,458,787 km (0.083 R)
• M48: 32,327,501 km (0.086 R)
• M49: 33,203,995 km (0.046 R)
• M50: 34,088,268 km (0.101 R)
• M51: 34,169,051 km (0.099 R)
• M52: 34,330,916 km (0.077 R)
• M53: 34,492,931 km (0.087 R)
• M54: 34,980,470 km (0.083 R)
• M55: 36,126,839 km (0.073 R)
• M56: 36,953,367 km (0.095 R)
• M57: 37,119,420 km (0.026 R)
• M58: 37,618,928 km (0.089 R)
• M59: 38,204,603 km (0.116 R)
• M60: 38,962,167 km (0.094 R)
• M61: 39,385,080 km (0.048 R)
• M62: 40,150,273 km (0.113 R)
• M63: 41,178,011 km (0.077 R)
• M64: 41,522,535 km (0.059 R)
• M65: 41,608,853 km (0.086 R)
• M66: 43,172,150 km (0.09 R)
• M67: 44,577,922 km (0.08 R)
• M68: 45,463,990 km (0.119 R)
• M69: 45,553,000 km (0.12 R)
• M70: 47,524,252 km (0.106 R)
• M71: 48,611,230 km (0.108 R)
• M72: 49,340,370 km (0.106 R)
• M73: 50,164,953 km (0.094 R)
• M74: 50,532,964 km (0.066 R)
• M75: 50,717,269 km (0.059 R)
• M76: 51,642,232 km (0.104 R)
• M77: 52,479,531 km (0.103 R)
• M78: 53,884,854 km (0.058 R)
• M79: 54,073,198 km (0.107 R)
• M80: 54,923,213 km (0.11 R)
• M81: 55,207,598 km (0.118 R)
• M82: 56,254,484 km (0.03 R)
• M83: 57,307,803 km (0.058 R)
• M84: 58,078,082 km (0.044 R)
• M85: 58,754,863 km (0.072 R)
• M86: 60,311,429 km (0.057 R)
• M87: 61,193,009 km (0.045 R)
• M88: 61,980,193 km (0.116 R)
• M89: 63,763,549 km (0.063 R)
• M90: 64,162,078 km (0.095 R)
• M91: 65,463,280 km (0.119 R)
• M92: 66,773,159 km (0.12 R)
• M93: 67,481,954 km (0.09 R)

Planet 9 - Gas Giant

Semi-Major Axis: 14.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.9

Radius: 8.1

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 12.75 AU - 15.33 AU

Year: 15191 Days

Day: 12.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 61,366,307 km

• M1: 171,439 km (0.033 R)
• M2: 387,758 km (0.066 R)
• M3: 869,463 km (0.052 R)
• M4: 956,529 km (0.091 R)
• M5: 1,487,003 km (0.119 R)
• M6: 1,838,259 km (0.118 R)
• M7: 2,215,096 km (0.072 R)
• M8: 2,521,173 km (0.111 R)
• M9: 2,679,447 km (0.05 R)
• M10: 2,873,625 km (0.085 R)
• M11: 3,105,951 km (0.081 R)
• M12: 3,207,378 km (0.095 R)
• M13: 3,448,530 km (0.089 R)
• M14: 3,695,666 km (0.1 R)
• M15: 3,875,632 km (0.108 R)
• M16: 4,471,032 km (0.113 R)
• M17: 4,857,592 km (0.049 R)
• M18: 5,015,269 km (0.102 R)
• M19: 5,416,939 km (0.119 R)
• M20: 6,208,312 km (0.11 R)
• M21: 7,621,563 km (0.078 R)
• M22: 8,316,894 km (0.106 R)
• M23: 8,743,846 km (0.104 R)
• M24: 9,324,286 km (0.108 R)
• M25: 9,718,027 km (0.058 R)
• M26: 10,522,116 km (0.051 R)
• M27: 14,282,408 km (0.097 R)
• M28: 14,338,956 km (0.076 R)
• M29: 15,367,890 km (0.111 R)
• M30: 15,949,826 km (0.081 R)
• M31: 16,184,694 km (0.097 R)
• M32: 16,361,519 km (0.1 R)
• M33: 16,598,333 km (0.057 R)
• M34: 17,015,411 km (0.053 R)
• M35: 17,738,568 km (0.119 R)
• M36: 18,226,257 km (0.064 R)
• M37: 18,966,018 km (0.045 R)
• M38: 19,652,822 km (0.069 R)
• M39: 22,348,875 km (0.108 R)
• M40: 22,875,459 km (0.067 R)
• M41: 22,941,581 km (0.083 R)
• M42: 23,007,704 km (0.062 R)
• M43: 26,396,395 km (0.118 R)
• M44: 27,654,064 km (0.104 R)
• M45: 28,219,245 km (0.082 R)
• M46: 28,788,165 km (0.034 R)
• M47: 30,009,931 km (0.066 R)
• M48: 31,836,970 km (0.063 R)
• M49: 32,429,228 km (0.057 R)
• M50: 33,474,468 km (0.075 R)
• M51: 34,076,749 km (0.115 R)
• M52: 34,834,612 km (0.107 R)
• M53: 35,291,933 km (0.095 R)
• M54: 35,521,266 km (0.116 R)
• M55: 35,904,835 km (0.059 R)
• M56: 36,598,521 km (0.096 R)
• M57: 37,063,471 km (0.102 R)
• M58: 37,141,112 km (0.119 R)
• M59: 38,234,373 km (0.114 R)
• M60: 38,627,367 km (0.096 R)
• M61: 40,692,416 km (0.036 R)
• M62: 40,852,785 km (0.108 R)
• M63: 40,932,969 km (0.111 R)
• M64: 41,496,205 km (0.066 R)
• M65: 41,657,621 km (0.027 R)
• M66: 41,819,187 km (0.06 R)
• M67: 42,142,917 km (0.095 R)
• M68: 42,467,694 km (0.029 R)
• M69: 42,956,131 km (0.116 R)
• M70: 43,201,172 km (0.118 R)
• M71: 43,364,683 km (0.095 R)
• M72: 44,928,878 km (0.084 R)
• M73: 46,930,946 km (0.075 R)
• M74: 48,027,499 km (0.062 R)
• M75: 48,281,815 km (0.073 R)
• M76: 48,621,402 km (0.086 R)
• M77: 49,474,110 km (0.105 R)
• M78: 49,645,250 km (0.093 R)
• M79: 51,021,551 km (0.065 R)
• M80: 51,194,336 km (0.037 R)
• M81: 51,454,188 km (0.101 R)
• M82: 51,540,805 km (0.111 R)
• M83: 52,584,699 km (0.119 R)
• M84: 52,759,279 km (0.113 R)
• M85: 53,109,189 km (0.108 R)
• M86: 53,284,368 km (0.068 R)
• M87: 55,402,225 km (0.106 R)
• M88: 56,382,091 km (0.057 R)
• M89: 57,997,748 km (0.112 R)
• M90: 58,087,956 km (0.105 R)
• M91: 58,358,877 km (0.1 R)
• M92: 59,537,559 km (0.092 R)
• M93: 59,901,830 km (0.072 R)
• M94: 60,907,427 km (0.107 R)

Kuiper Belt

Range: 38 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 14,981 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit