🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.91

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.52 AU - 0.54 AU

Year: 249 Days

Day: 33.6 Hours

Environment

Temp: -117 °C

Axial Tilt: 17.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,039,050 km

• M1: 172,935 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.84

Radius: 0.93

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.46 AU - 0.72 AU

Year: 293 Days

Day: 30.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.53 AU - 0.67 AU

Year: 300 Days

Day: 17.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 48 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.1

Radius: 13.3

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.65 AU - 0.99 AU

Year: 479 Days

Day: 9.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 42,039,050 km

• M1: 171,439 km (0.101 R)
• M2: 257,757 km (0.095 R)
• M3: 358,436 km (0.113 R)
• M4: 461,659 km (0.038 R)
• M5: 545,135 km (0.098 R)
• M6: 641,775 km (0.094 R)
• M7: 735,124 km (0.105 R)
• M8: 833,859 km (0.112 R)
• M9: 952,938 km (0.086 R)
• M10: 1,042,548 km (0.11 R)
• M11: 1,168,210 km (0.058 R)
• M12: 1,277,865 km (0.064 R)
• M13: 1,462,768 km (0.055 R)
• M14: 1,577,360 km (0.089 R)
• M15: 1,671,158 km (0.118 R)
• M16: 1,776,774 km (0.116 R)
• M17: 1,884,784 km (0.074 R)
• M18: 1,984,865 km (0.111 R)
• M19: 2,138,502 km (0.108 R)
• M20: 2,264,463 km (0.107 R)
• M21: 2,398,353 km (0.119 R)
• M22: 2,546,156 km (0.082 R)
• M23: 2,646,237 km (0.03 R)
• M24: 2,730,760 km (0.091 R)
• M25: 2,827,699 km (0.062 R)
• M26: 2,966,675 km (0.058 R)
• M27: 3,084,110 km (0.119 R)
• M28: 3,167,436 km (0.06 R)
• M29: 3,269,461 km (0.044 R)
• M30: 3,446,286 km (0.061 R)
• M31: 3,563,870 km (0.107 R)
• M32: 3,651,385 km (0.098 R)
• M33: 3,796,644 km (0.107 R)
• M34: 3,931,133 km (0.076 R)
• M35: 4,015,207 km (0.116 R)
• M36: 4,218,062 km (0.104 R)
• M37: 4,350,755 km (0.103 R)
• M38: 4,532,217 km (0.097 R)
• M39: 4,640,975 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.2

Radius: 13.8

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.04 AU - 3.42 AU

Year: 3748 Days

Day: 6.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 42,039,050 km

• M1: 203,902 km (0.106 R)
• M2: 296,353 km (0.119 R)
• M3: 566,378 km (0.105 R)
• M4: 655,239 km (0.119 R)
• M5: 809,324 km (0.087 R)
• M6: 944,561 km (0.056 R)
• M7: 1,076,955 km (0.055 R)
• M8: 1,288,038 km (0.106 R)
• M9: 1,374,056 km (0.094 R)
• M10: 1,552,377 km (0.104 R)
• M11: 1,848,581 km (0.086 R)
• M12: 2,003,863 km (0.104 R)
• M13: 2,119,503 km (0.111 R)
• M14: 2,605,247 km (0.079 R)
• M15: 2,796,433 km (0.05 R)
• M16: 2,943,039 km (0.068 R)
• M17: 3,108,943 km (0.075 R)
• M18: 3,277,989 km (0.055 R)
• M19: 3,432,972 km (0.106 R)
• M20: 3,607,852 km (0.071 R)
• M21: 3,714,366 km (0.073 R)
• M22: 3,821,926 km (0.088 R)
• M23: 4,113,792 km (0.08 R)
• M24: 4,470,134 km (0.053 R)
• M25: 4,584,726 km (0.097 R)
• M26: 4,914,888 km (0.034 R)
• M27: 5,013,473 km (0.104 R)
• M28: 5,516,571 km (0.09 R)
• M29: 5,701,773 km (0.052 R)
• M30: 5,826,239 km (0.066 R)
• M31: 5,930,808 km (0.11 R)
• M32: 6,614,619 km (0.102 R)
• M33: 7,010,455 km (0.074 R)
• M34: 7,233,655 km (0.113 R)
• M35: 7,459,249 km (0.102 R)
• M36: 7,894,429 km (0.085 R)
• M37: 8,150,092 km (0.115 R)
• M38: 8,384,961 km (0.111 R)
• M39: 9,395,943 km (0.103 R)
• M40: 9,494,229 km (0.075 R)
• M41: 9,766,347 km (0.072 R)
• M42: 9,915,945 km (0.087 R)
• M43: 10,091,424 km (0.081 R)
• M44: 10,217,235 km (0.109 R)
• M45: 10,318,364 km (0.119 R)
• M46: 10,880,702 km (0.116 R)
• M47: 11,452,914 km (0.092 R)
• M48: 12,249,074 km (0.065 R)
• M49: 13,228,042 km (0.072 R)
• M50: 13,365,971 km (0.094 R)
• M51: 13,476,674 km (0.099 R)
• M52: 13,726,951 km (0.112 R)
• M53: 13,866,675 km (0.058 R)
• M54: 14,147,471 km (0.092 R)
• M55: 14,373,513 km (0.116 R)
• M56: 14,915,057 km (0.047 R)
• M57: 15,260,628 km (0.065 R)
• M58: 15,608,743 km (0.092 R)
• M59: 15,959,699 km (0.106 R)
• M60: 16,490,772 km (0.113 R)
• M61: 16,758,552 km (0.097 R)
• M62: 17,057,748 km (0.11 R)
• M63: 17,147,955 km (0.047 R)
• M64: 18,149,662 km (0.101 R)
• M65: 18,241,665 km (0.065 R)
• M66: 18,580,355 km (0.077 R)
• M67: 20,624,011 km (0.076 R)
• M68: 20,752,217 km (0.118 R)
• M69: 20,944,749 km (0.084 R)
• M70: 21,170,343 km (0.12 R)
• M71: 21,949,598 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 622

Radius: 5.7

Gravity: 19.14 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 7.42 AU - 7.98 AU

Year: 13796 Days

Day: 16.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 42,039,050 km

• M1: 75,996 km (0.06 R)
• M2: 119,977 km (0.108 R)
• M3: 271,221 km (0.117 R)
• M4: 547,827 km (0.11 R)
• M5: 936,483 km (0.119 R)
• M6: 1,134,849 km (0.045 R)
• M7: 1,370,915 km (0.079 R)
• M8: 1,444,667 km (0.103 R)
• M9: 1,596,359 km (0.05 R)
• M10: 2,519,079 km (0.107 R)
• M11: 2,763,821 km (0.097 R)
• M12: 3,210,221 km (0.112 R)
• M13: 3,991,720 km (0.059 R)
• M14: 4,828,870 km (0.079 R)
• M15: 4,866,568 km (0.104 R)
• M16: 5,056,109 km (0.112 R)
• M17: 5,325,535 km (0.066 R)
• M18: 5,560,254 km (0.041 R)
• M19: 6,284,457 km (0.076 R)
• M20: 6,699,441 km (0.086 R)
• M21: 6,783,515 km (0.096 R)
• M22: 6,952,711 km (0.093 R)
• M23: 7,166,336 km (0.113 R)
• M24: 7,295,439 km (0.038 R)
• M25: 7,643,554 km (0.063 R)
• M26: 8,537,401 km (0.114 R)
• M27: 9,276,115 km (0.114 R)
• M28: 9,369,763 km (0.095 R)
• M29: 10,568,342 km (0.114 R)
• M30: 11,210,416 km (0.081 R)
• M31: 11,410,428 km (0.063 R)
• M32: 11,712,915 km (0.056 R)
• M33: 13,105,970 km (0.106 R)
• M34: 13,955,836 km (0.085 R)
• M35: 14,878,406 km (0.086 R)
• M36: 16,101,219 km (0.101 R)
• M37: 16,610,600 km (0.113 R)
• M38: 17,645,368 km (0.089 R)
• M39: 18,111,964 km (0.107 R)
• M40: 18,170,606 km (0.087 R)
• M41: 18,229,249 km (0.087 R)
• M42: 19,776,689 km (0.113 R)
• M43: 19,897,414 km (0.069 R)
• M44: 20,383,009 km (0.117 R)
• M45: 20,995,313 km (0.101 R)
• M46: 21,862,831 km (0.095 R)
• M47: 22,426,666 km (0.059 R)
• M48: 23,377,061 km (0.1 R)
• M49: 23,889,134 km (0.104 R)
• M50: 24,469,873 km (0.074 R)
• M51: 24,859,576 km (0.108 R)
• M52: 25,055,100 km (0.088 R)
• M53: 25,251,223 km (0.114 R)
• M54: 27,173,256 km (0.067 R)
• M55: 27,576,722 km (0.115 R)
• M56: 27,644,191 km (0.083 R)
• M57: 27,914,514 km (0.08 R)
• M58: 28,389,786 km (0.098 R)
• M59: 29,348,110 km (0.103 R)
• M60: 29,485,890 km (0.036 R)
• M61: 31,578,166 km (0.047 R)
• M62: 32,002,276 km (0.106 R)
• M63: 32,215,153 km (0.066 R)
• M64: 33,286,125 km (0.071 R)
• M65: 34,151,399 km (0.081 R)
• M66: 34,805,141 km (0.049 R)
• M67: 35,683,281 km (0.093 R)
• M68: 36,198,795 km (0.102 R)
• M69: 37,311,953 km (0.096 R)
• M70: 38,210,438 km (0.118 R)
• M71: 38,285,685 km (0.108 R)
• M72: 39,419,637 km (0.084 R)
• M73: 39,723,770 km (0.031 R)
• M74: 39,876,210 km (0.073 R)
• M75: 40,794,741 km (0.084 R)
• M76: 41,102,464 km (0.096 R)
• M77: 41,179,656 km (0.093 R)
• M78: 41,875,286 km (0.066 R)
• M79: 42,496,866 km (0.077 R)
• M80: 44,854,977 km (0.1 R)
• M81: 45,252,159 km (0.075 R)
• M82: 46,049,965 km (0.112 R)
• M83: 47,821,353 km (0.08 R)
• M84: 48,470,907 km (0.094 R)
• M85: 48,796,881 km (0.082 R)
• M86: 49,205,283 km (0.078 R)
• M87: 49,532,902 km (0.057 R)
• M88: 53,183,539 km (0.077 R)
• M89: 53,687,983 km (0.06 R)
• M90: 54,025,326 km (0.044 R)
• M91: 54,617,135 km (0.113 R)
• M92: 55,466,253 km (0.12 R)
• M93: 55,977,878 km (0.091 R)
• M94: 56,405,428 km (0.104 R)
• M95: 56,748,157 km (0.032 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 139.6

Radius: 6.5

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 8.3 AU - 10.22 AU

Year: 18194 Days

Day: 15.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 42,039,050 km

• M1: 298,897 km (0.113 R)
• M2: 564,134 km (0.071 R)
• M3: 682,166 km (0.112 R)
• M4: 744,249 km (0.117 R)
• M5: 1,570,030 km (0.086 R)
• M6: 2,208,513 km (0.099 R)
• M7: 2,421,541 km (0.065 R)
• M8: 3,666,045 km (0.116 R)
• M9: 3,721,696 km (0.115 R)
• M10: 4,089,856 km (0.045 R)
• M11: 4,558,846 km (0.109 R)
• M12: 5,169,055 km (0.119 R)
• M13: 5,675,594 km (0.075 R)
• M14: 5,837,010 km (0.047 R)
• M15: 6,065,745 km (0.106 R)
• M16: 6,264,112 km (0.079 R)
• M17: 6,769,453 km (0.108 R)
• M18: 7,357,971 km (0.116 R)
• M19: 8,071,104 km (0.087 R)
• M20: 8,955,677 km (0.108 R)
• M21: 9,030,775 km (0.098 R)
• M22: 9,181,569 km (0.106 R)
• M23: 10,065,094 km (0.109 R)
• M24: 10,299,963 km (0.113 R)
• M25: 10,576,270 km (0.065 R)
• M26: 11,298,230 km (0.062 R)
• M27: 11,379,312 km (0.066 R)
• M28: 11,624,054 km (0.065 R)
• M29: 14,296,620 km (0.089 R)
• M30: 16,638,126 km (0.117 R)
• M31: 17,288,577 km (0.075 R)
• M32: 19,338,068 km (0.068 R)
• M33: 19,581,314 km (0.084 R)
• M34: 19,678,852 km (0.068 R)
• M35: 22,885,781 km (0.111 R)
• M36: 23,246,163 km (0.078 R)
• M37: 23,349,535 km (0.104 R)
• M38: 23,556,728 km (0.068 R)
• M39: 25,501,500 km (0.117 R)
• M40: 29,486,638 km (0.082 R)
• M41: 30,159,978 km (0.1 R)
• M42: 31,008,796 km (0.101 R)
• M43: 31,065,793 km (0.061 R)
• M44: 31,350,627 km (0.032 R)
• M45: 32,383,301 km (0.118 R)
• M46: 32,498,791 km (0.119 R)
• M47: 32,787,964 km (0.113 R)
• M48: 33,543,882 km (0.065 R)
• M49: 35,369,425 km (0.117 R)
• M50: 36,264,169 km (0.107 R)
• M51: 36,444,136 km (0.1 R)
• M52: 37,468,881 km (0.041 R)
• M53: 38,015,362 km (0.041 R)
• M54: 38,076,248 km (0.083 R)
• M55: 38,381,129 km (0.1 R)
• M56: 38,564,386 km (0.085 R)
• M57: 38,686,757 km (0.054 R)
• M58: 38,870,464 km (0.076 R)
• M59: 39,485,311 km (0.099 R)
• M60: 39,670,363 km (0.103 R)
• M61: 39,917,499 km (0.11 R)
• M62: 39,979,283 km (0.114 R)
• M63: 40,973,660 km (0.051 R)
• M64: 41,286,020 km (0.115 R)
• M65: 41,913,284 km (0.08 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: 462 - 20,339 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit