🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.81 AU - 1.17 AU

Year: 363 Days

Day: 30.5 Hours

Environment

Temp: 23 °C

Axial Tilt: 0.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 66,678,591 km

• M1: 237,561 km (0.114 R)
• M2: 854,353 km (0.078 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.89 AU - 1.45 AU

Year: 467 Days

Day: 44.8 Hours

Environment

Temp: 15 °C

Axial Tilt: 36.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.59 AU - 2.43 AU

Year: 1051 Days

Day: 36.8 Hours

Environment

Temp: -74 °C

Axial Tilt: 23.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,678,591 km

• M1: 561,441 km (0.085 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.85 AU - 2.51 AU

Year: 1188 Days

Day: 31.2 Hours

Environment

Temp: -81 °C

Axial Tilt: 17.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,678,591 km

• M1: 2,117,558 km (0.101 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.2

Radius: 1.08

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.8 AU - 3.98 AU

Year: 2303 Days

Day: 23.7 Hours

Environment

Temp: -121 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 66,678,591 km

• M1: 1,160,131 km (0.073 R)

Asteroid Belt

Center: 8.83 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 14.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 251.9

Radius: 7.8

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 12 AU - 16.54 AU

Year: 19889 Days

Day: 20.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 66,678,591 km

• M1: 116,238 km (0.119 R)
• M2: 530,773 km (0.104 R)
• M3: 834,756 km (0.064 R)
• M4: 1,122,582 km (0.084 R)
• M5: 1,346,830 km (0.12 R)
• M6: 1,416,841 km (0.067 R)
• M7: 1,488,200 km (0.111 R)
• M8: 1,915,302 km (0.036 R)
• M9: 2,492,899 km (0.092 R)
• M10: 2,579,666 km (0.067 R)
• M11: 2,846,099 km (0.069 R)
• M12: 3,501,787 km (0.1 R)
• M13: 3,631,937 km (0.083 R)
• M14: 4,134,137 km (0.073 R)
• M15: 4,481,055 km (0.067 R)
• M16: 4,586,970 km (0.083 R)
• M17: 4,765,291 km (0.119 R)
• M18: 4,946,005 km (0.116 R)
• M19: 5,202,864 km (0.088 R)
• M20: 5,464,062 km (0.117 R)
• M21: 6,116,010 km (0.114 R)
• M22: 6,273,088 km (0.083 R)
• M23: 8,960,763 km (0.072 R)
• M24: 9,363,929 km (0.037 R)
• M25: 9,545,092 km (0.089 R)
• M26: 9,956,785 km (0.101 R)
• M27: 11,035,237 km (0.063 R)
• M28: 12,101,271 km (0.11 R)
• M29: 12,846,717 km (0.082 R)
• M30: 13,555,811 km (0.084 R)
• M31: 13,709,448 km (0.108 R)
• M32: 13,915,145 km (0.114 R)
• M33: 14,643,238 km (0.107 R)
• M34: 14,959,039 km (0.083 R)
• M35: 15,117,912 km (0.041 R)
• M36: 15,277,234 km (0.108 R)
• M37: 16,190,529 km (0.118 R)
• M38: 16,244,833 km (0.078 R)
• M39: 16,353,590 km (0.115 R)
• M40: 17,176,828 km (0.08 R)
• M41: 17,343,031 km (0.073 R)
• M42: 18,295,371 km (0.109 R)
• M43: 19,322,061 km (0.112 R)
• M44: 20,484,736 km (0.102 R)
• M45: 20,897,027 km (0.105 R)
• M46: 21,550,321 km (0.116 R)
• M47: 22,391,660 km (0.087 R)
• M48: 23,488,960 km (0.094 R)
• M49: 23,796,832 km (0.06 R)
• M50: 24,168,134 km (0.09 R)
• M51: 24,853,741 km (0.077 R)
• M52: 29,099,778 km (0.097 R)
• M53: 31,712,056 km (0.114 R)
• M54: 32,942,947 km (0.102 R)
• M55: 33,772,168 km (0.099 R)
• M56: 34,888,318 km (0.086 R)
• M57: 35,804,156 km (0.095 R)
• M58: 36,513,998 km (0.106 R)
• M59: 38,526,239 km (0.116 R)
• M60: 38,598,794 km (0.112 R)
• M61: 39,253,584 km (0.092 R)
• M62: 39,912,114 km (0.099 R)
• M63: 40,353,128 km (0.068 R)
• M64: 40,648,135 km (0.06 R)
• M65: 41,165,893 km (0.032 R)
• M66: 42,357,740 km (0.084 R)
• M67: 42,732,482 km (0.113 R)
• M68: 43,033,024 km (0.048 R)
• M69: 45,080,421 km (0.114 R)
• M70: 47,237,024 km (0.111 R)
• M71: 47,469,948 km (0.097 R)
• M72: 48,015,232 km (0.11 R)
• M73: 48,249,652 km (0.059 R)
• M74: 49,190,622 km (0.083 R)
• M75: 49,663,501 km (0.105 R)
• M76: 50,375,587 km (0.108 R)
• M77: 51,170,700 km (0.103 R)
• M78: 51,250,435 km (0.118 R)
• M79: 52,612,225 km (0.082 R)
• M80: 53,986,132 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 299.9

Radius: 6.9

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 14.4 AU - 18.66 AU

Year: 24796 Days

Day: 19.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 66,678,591 km

• M1: 87,964 km (0.112 R)
• M2: 173,384 km (0.119 R)
• M3: 274,213 km (0.029 R)
• M4: 414,685 km (0.063 R)
• M5: 484,996 km (0.114 R)
• M6: 579,093 km (0.094 R)
• M7: 638,633 km (0.051 R)
• M8: 1,508,695 km (0.082 R)
• M9: 1,649,466 km (0.089 R)
• M10: 1,794,726 km (0.072 R)
• M11: 2,287,202 km (0.102 R)
• M12: 2,682,888 km (0.106 R)
• M13: 2,750,806 km (0.117 R)
• M14: 2,819,471 km (0.051 R)
• M15: 3,352,339 km (0.115 R)
• M16: 3,425,791 km (0.074 R)
• M17: 3,954,470 km (0.049 R)
• M18: 4,032,111 km (0.1 R)
• M19: 4,228,384 km (0.1 R)
• M20: 4,347,763 km (0.083 R)
• M21: 5,514,178 km (0.071 R)
• M22: 5,864,237 km (0.09 R)
• M23: 6,957,498 km (0.081 R)
• M24: 7,051,445 km (0.12 R)
• M25: 7,431,274 km (0.051 R)
• M26: 8,409,943 km (0.107 R)
• M27: 9,273,273 km (0.069 R)
• M28: 9,428,555 km (0.069 R)
• M29: 10,431,908 km (0.041 R)
• M30: 10,809,942 km (0.025 R)
• M31: 11,028,056 km (0.117 R)
• M32: 11,802,973 km (0.099 R)
• M33: 13,463,060 km (0.113 R)
• M34: 14,891,421 km (0.066 R)
• M35: 17,376,690 km (0.06 R)
• M36: 19,787,460 km (0.104 R)
• M37: 21,955,283 km (0.085 R)
• M38: 22,093,212 km (0.044 R)
• M39: 22,927,070 km (0.12 R)
• M40: 23,488,810 km (0.113 R)
• M41: 23,559,271 km (0.09 R)
• M42: 23,629,881 km (0.107 R)
• M43: 24,197,156 km (0.117 R)
• M44: 25,200,809 km (0.086 R)
• M45: 27,768,656 km (0.074 R)
• M46: 28,292,099 km (0.078 R)
• M47: 30,188,102 km (0.041 R)
• M48: 30,803,548 km (0.097 R)
• M49: 31,890,376 km (0.106 R)
• M50: 32,203,186 km (0.098 R)
• M51: 32,281,575 km (0.083 R)
• M52: 33,782,490 km (0.098 R)
• M53: 33,862,226 km (0.108 R)
• M54: 35,386,928 km (0.094 R)
• M55: 35,548,792 km (0.06 R)
• M56: 36,852,089 km (0.119 R)
• M57: 37,098,178 km (0.115 R)
• M58: 39,003,157 km (0.117 R)
• M59: 39,505,357 km (0.096 R)
• M60: 39,757,130 km (0.116 R)
• M61: 40,854,879 km (0.118 R)
• M62: 41,449,980 km (0.06 R)
• M63: 45,256,049 km (0.092 R)
• M64: 46,136,582 km (0.097 R)
• M65: 47,378,842 km (0.106 R)
• M66: 48,272,839 km (0.084 R)
• M67: 48,362,448 km (0.092 R)
• M68: 48,452,207 km (0.114 R)
• M69: 48,721,932 km (0.085 R)
• M70: 48,811,840 km (0.098 R)
• M71: 48,901,898 km (0.038 R)
• M72: 49,714,664 km (0.098 R)
• M73: 50,350,006 km (0.086 R)
• M74: 50,623,171 km (0.086 R)
• M75: 52,272,039 km (0.08 R)
• M76: 52,456,344 km (0.1 R)
• M77: 52,825,551 km (0.103 R)
• M78: 54,217,859 km (0.038 R)
• M79: 55,434,239 km (0.115 R)
• M80: 56,376,107 km (0.064 R)
• M81: 57,989,371 km (0.03 R)
• M82: 58,275,551 km (0.076 R)
• M83: 58,562,330 km (0.063 R)
• M84: 59,425,211 km (0.081 R)
• M85: 60,099,449 km (0.083 R)
• M86: 61,358,015 km (0.101 R)
• M87: 62,039,434 km (0.116 R)
• M88: 62,429,884 km (0.101 R)
• M89: 63,606,172 km (0.12 R)
• M90: 63,802,893 km (0.115 R)
• M91: 64,493,138 km (0.062 R)
• M92: 66,080,222 km (0.088 R)
• M93: 66,179,704 km (0.106 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 11,878 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit