🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.47 AU - 0.59 AU

Year: 142 Days

Day: 22.5 Hours

Environment

Temp: 185 °C

Axial Tilt: 48.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 92,562,490 km

• M1: 223,499 km (0.08 R)
• M2: 275,410 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.86

Radius: 1.72

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.73 AU - 0.93 AU

Year: 278 Days

Day: 23.1 Hours

Environment

Temp: 152 °C

Axial Tilt: 2.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 92,562,490 km

• M1: 707,598 km (0.097 R)
• M2: 768,634 km (0.1 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.74 AU - 1.02 AU

Year: 303 Days

Day: 23.9 Hours

Environment

Temp: 110 °C

Axial Tilt: 35.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.76 AU - 1.22 AU

Year: 362 Days

Day: 26.8 Hours

Environment

Temp: 42 °C

Axial Tilt: 0.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.01 AU - 1.17 AU

Year: 418 Days

Day: 22.3 Hours

Environment

Temp: 30 °C

Axial Tilt: 39.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 92,562,490 km

• M1: 397,781 km (0.113 R)
• M2: 849,267 km (0.082 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.04 AU - 4.58 AU

Year: 2730 Days

Day: 23.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 31.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.1

Radius: 14.2

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.46 AU - 8.16 AU

Year: 6524 Days

Day: 10.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 92,562,490 km

• M1: 224,397 km (0.083 R)
• M2: 326,273 km (0.066 R)
• M3: 442,511 km (0.076 R)
• M4: 768,484 km (0.117 R)
• M5: 928,853 km (0.067 R)
• M6: 1,496,128 km (0.097 R)
• M7: 1,605,784 km (0.103 R)
• M8: 1,817,165 km (0.036 R)
• M9: 2,304,106 km (0.119 R)
• M10: 2,487,962 km (0.096 R)
• M11: 2,734,499 km (0.074 R)
• M12: 3,069,150 km (0.081 R)
• M13: 3,334,237 km (0.055 R)
• M14: 3,756,702 km (0.079 R)
• M15: 4,264,138 km (0.102 R)
• M16: 4,630,054 km (0.116 R)
• M17: 4,793,265 km (0.111 R)
• M18: 5,006,143 km (0.117 R)
• M19: 5,101,886 km (0.076 R)
• M20: 5,222,312 km (0.095 R)
• M21: 5,539,908 km (0.055 R)
• M22: 5,863,788 km (0.047 R)
• M23: 6,556,575 km (0.095 R)
• M24: 6,714,102 km (0.081 R)
• M25: 7,033,045 km (0.115 R)
• M26: 7,140,456 km (0.096 R)
• M27: 7,438,754 km (0.105 R)
• M28: 7,658,214 km (0.056 R)
• M29: 7,963,543 km (0.056 R)
• M30: 8,414,880 km (0.111 R)
• M31: 8,701,211 km (0.115 R)
• M32: 8,845,722 km (0.078 R)
• M33: 9,579,649 km (0.111 R)
• M34: 10,059,709 km (0.058 R)
• M35: 10,425,027 km (0.111 R)
• M36: 10,670,966 km (0.072 R)
• M37: 11,012,348 km (0.111 R)
• M38: 11,168,678 km (0.028 R)
• M39: 11,897,519 km (0.084 R)
• M40: 12,122,364 km (0.086 R)
• M41: 12,937,074 km (0.087 R)
• M42: 13,467,848 km (0.064 R)
• M43: 13,735,777 km (0.101 R)
• M44: 13,904,224 km (0.05 R)
• M45: 14,209,255 km (0.07 R)
• M46: 14,482,121 km (0.097 R)
• M47: 14,584,895 km (0.075 R)
• M48: 14,687,968 km (0.111 R)
• M49: 15,172,066 km (0.096 R)
• M50: 15,766,868 km (0.046 R)
• M51: 16,049,458 km (0.095 R)
• M52: 16,155,972 km (0.116 R)
• M53: 16,298,090 km (0.11 R)
• M54: 16,548,068 km (0.117 R)
• M55: 17,051,764 km (0.082 R)
• M56: 17,670,351 km (0.033 R)
• M57: 17,816,807 km (0.089 R)
• M58: 18,444,370 km (0.083 R)
• M59: 19,267,308 km (0.071 R)
• M60: 19,911,477 km (0.11 R)
• M61: 20,025,919 km (0.067 R)
• M62: 20,255,402 km (0.12 R)
• M63: 20,524,080 km (0.093 R)
• M64: 21,689,597 km (0.039 R)
• M65: 22,201,371 km (0.074 R)
• M66: 22,478,576 km (0.11 R)
• M67: 22,836,713 km (0.085 R)
• M68: 24,573,694 km (0.116 R)
• M69: 24,901,463 km (0.115 R)
• M70: 25,602,928 km (0.094 R)
• M71: 27,576,123 km (0.075 R)
• M72: 28,258,888 km (0.107 R)
• M73: 28,473,412 km (0.067 R)
• M74: 28,645,449 km (0.074 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 862.6

Radius: 3.8

Gravity: 59.74 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 14.55 AU - 17.83 AU

Year: 23913 Days

Day: 19.6 Hours

Environment

Temp: -190 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (98)

Outer Limit: 92,562,490 km

• M1: 62,532 km (0.094 R)
• M2: 139,724 km (0.118 R)
• M3: 217,216 km (0.046 R)
• M4: 252,372 km (0.117 R)
• M5: 328,816 km (0.104 R)
• M6: 627,264 km (0.101 R)
• M7: 652,995 km (0.092 R)
• M8: 705,653 km (0.114 R)
• M9: 930,349 km (0.104 R)
• M10: 989,889 km (0.075 R)
• M11: 1,947,465 km (0.098 R)
• M12: 2,503,670 km (0.086 R)
• M13: 2,671,070 km (0.029 R)
• M14: 2,713,556 km (0.049 R)
• M15: 3,150,082 km (0.116 R)
• M16: 3,749,671 km (0.116 R)
• M17: 4,738,513 km (0.098 R)
• M18: 5,261,507 km (0.117 R)
• M19: 5,583,890 km (0.053 R)
• M20: 5,912,856 km (0.053 R)
• M21: 6,079,657 km (0.107 R)
• M22: 6,995,047 km (0.101 R)
• M23: 7,349,295 km (0.089 R)
• M24: 7,891,437 km (0.115 R)
• M25: 8,322,130 km (0.087 R)
• M26: 8,446,445 km (0.054 R)
• M27: 9,077,898 km (0.119 R)
• M28: 9,593,861 km (0.108 R)
• M29: 10,053,127 km (0.101 R)
• M30: 10,586,593 km (0.102 R)
• M31: 12,383,263 km (0.089 R)
• M32: 13,901,681 km (0.119 R)
• M33: 14,420,636 km (0.06 R)
• M34: 16,092,841 km (0.102 R)
• M35: 16,403,407 km (0.102 R)
• M36: 17,030,371 km (0.092 R)
• M37: 18,631,966 km (0.045 R)
• M38: 19,615,722 km (0.11 R)
• M39: 21,377,536 km (0.053 R)
• M40: 21,718,768 km (0.106 R)
• M41: 23,627,787 km (0.107 R)
• M42: 26,133,701 km (0.094 R)
• M43: 27,695,951 km (0.026 R)
• M44: 28,722,791 km (0.117 R)
• M45: 29,382,667 km (0.045 R)
• M46: 29,952,336 km (0.1 R)
• M47: 31,392,216 km (0.099 R)
• M48: 31,489,005 km (0.114 R)
• M49: 31,682,884 km (0.113 R)
• M50: 32,071,839 km (0.062 R)
• M51: 34,638,340 km (0.094 R)
• M52: 36,047,402 km (0.064 R)
• M53: 41,760,994 km (0.115 R)
• M54: 42,294,160 km (0.056 R)
• M55: 43,475,086 km (0.109 R)
• M56: 44,340,809 km (0.07 R)
• M57: 44,449,417 km (0.085 R)
• M58: 44,775,690 km (0.03 R)
• M59: 45,979,205 km (0.108 R)
• M60: 49,765,527 km (0.109 R)
• M61: 50,784,288 km (0.075 R)
• M62: 51,581,495 km (0.071 R)
• M63: 53,997,800 km (0.106 R)
• M64: 54,229,976 km (0.103 R)
• M65: 55,278,208 km (0.11 R)
• M66: 55,629,165 km (0.056 R)
• M67: 57,040,172 km (0.086 R)
• M68: 58,344,067 km (0.091 R)
• M69: 58,701,307 km (0.1 R)
• M70: 59,178,823 km (0.103 R)
• M71: 59,298,352 km (0.119 R)
• M72: 60,257,873 km (0.112 R)
• M73: 60,980,879 km (0.083 R)
• M74: 61,464,529 km (0.07 R)
• M75: 62,192,323 km (0.089 R)
• M76: 62,679,114 km (0.108 R)
• M77: 63,167,103 km (0.07 R)
• M78: 65,255,339 km (0.109 R)
• M79: 65,626,192 km (0.11 R)
• M80: 67,490,930 km (0.104 R)
• M81: 69,877,764 km (0.093 R)
• M82: 70,004,174 km (0.113 R)
• M83: 70,890,990 km (0.1 R)
• M84: 79,038,090 km (0.09 R)
• M85: 79,169,886 km (0.076 R)
• M86: 79,961,558 km (0.085 R)
• M87: 80,755,773 km (0.059 R)
• M88: 81,021,160 km (0.098 R)
• M89: 81,952,107 km (0.043 R)
• M90: 83,690,434 km (0.057 R)
• M91: 84,900,980 km (0.093 R)
• M92: 85,035,918 km (0.079 R)
• M93: 85,170,855 km (0.112 R)
• M94: 86,252,896 km (0.119 R)
• M95: 88,567,325 km (0.108 R)
• M96: 89,800,909 km (0.11 R)
• M97: 89,938,389 km (0.1 R)
• M98: 91,178,257 km (0.084 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 15,957 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit