🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.38

Radius: 0.68

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.01 AU - 1.03 AU

Year: 359 Days

Day: 36.9 Hours

Environment

Temp: 129 °C

Axial Tilt: 39.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 46,188,494 km

• M1: 247,136 km (0.067 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.44 AU - 3.24 AU

Year: 1667 Days

Day: 31.4 Hours

Environment

Temp: -93 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.86 AU - 3.84 AU

Year: 2135 Days

Day: 29.5 Hours

Environment

Temp: -99 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.61 AU - 5.91 AU

Year: 3617 Days

Day: 13.6 Hours

Environment

Temp: -125 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.61 AU - 5.51 AU

Year: 3964 Days

Day: 12.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 783.3

Radius: 9.1

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.11 AU - 8.41 AU

Year: 6812 Days

Day: 9.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 46,188,494 km

• M1: 151,842 km (0.118 R)
• M2: 214,523 km (0.119 R)
• M3: 284,834 km (0.034 R)
• M4: 422,764 km (0.11 R)
• M5: 754,422 km (0.081 R)
• M6: 892,052 km (0.103 R)
• M7: 1,300,305 km (0.073 R)
• M8: 1,392,307 km (0.088 R)
• M9: 1,802,804 km (0.094 R)
• M10: 2,293,934 km (0.049 R)
• M11: 2,706,525 km (0.084 R)
• M12: 2,777,584 km (0.088 R)
• M13: 3,019,035 km (0.071 R)
• M14: 3,522,282 km (0.096 R)
• M15: 3,600,073 km (0.115 R)
• M16: 4,577,545 km (0.115 R)
• M17: 5,066,431 km (0.105 R)
• M18: 5,213,486 km (0.11 R)
• M19: 6,281,465 km (0.083 R)
• M20: 6,471,305 km (0.113 R)
• M21: 6,598,762 km (0.109 R)
• M22: 6,824,056 km (0.094 R)
• M23: 7,019,282 km (0.04 R)
• M24: 7,315,485 km (0.057 R)
• M25: 7,716,707 km (0.104 R)
• M26: 7,784,325 km (0.101 R)
• M27: 8,263,038 km (0.098 R)
• M28: 8,716,021 km (0.101 R)
• M29: 10,160,089 km (0.118 R)
• M30: 10,345,890 km (0.036 R)
• M31: 10,532,737 km (0.102 R)
• M32: 10,834,027 km (0.106 R)
• M33: 12,461,802 km (0.078 R)
• M34: 12,940,814 km (0.084 R)
• M35: 13,507,341 km (0.096 R)
• M36: 13,793,522 km (0.08 R)
• M37: 14,164,525 km (0.115 R)
• M38: 14,538,968 km (0.104 R)
• M39: 14,748,256 km (0.106 R)
• M40: 15,297,280 km (0.039 R)
• M41: 15,638,513 km (0.099 R)
• M42: 15,724,232 km (0.09 R)
• M43: 16,633,488 km (0.114 R)
• M44: 17,381,926 km (0.116 R)
• M45: 18,412,207 km (0.067 R)
• M46: 18,866,236 km (0.07 R)
• M47: 19,048,895 km (0.115 R)
• M48: 19,554,237 km (0.096 R)
• M49: 20,157,116 km (0.11 R)
• M50: 20,672,032 km (0.103 R)
• M51: 20,860,376 km (0.088 R)
• M52: 21,049,318 km (0.096 R)
• M53: 21,333,704 km (0.083 R)
• M54: 21,476,420 km (0.07 R)
• M55: 21,667,157 km (0.106 R)
• M56: 21,810,472 km (0.058 R)
• M57: 23,311,088 km (0.089 R)
• M58: 23,900,803 km (0.08 R)
• M59: 24,197,456 km (0.118 R)
• M60: 24,395,972 km (0.101 R)
• M61: 24,844,616 km (0.085 R)
• M62: 25,195,423 km (0.107 R)
• M63: 25,396,632 km (0.088 R)
• M64: 25,699,418 km (0.09 R)
• M65: 27,128,227 km (0.104 R)
• M66: 27,696,550 km (0.067 R)
• M67: 29,108,305 km (0.06 R)
• M68: 29,584,026 km (0.07 R)
• M69: 29,796,305 km (0.112 R)
• M70: 29,902,670 km (0.12 R)
• M71: 32,001,079 km (0.084 R)
• M72: 32,930,680 km (0.105 R)
• M73: 33,095,687 km (0.068 R)
• M74: 35,998,334 km (0.051 R)
• M75: 36,168,277 km (0.039 R)
• M76: 36,224,975 km (0.098 R)
• M77: 36,338,370 km (0.066 R)
• M78: 37,193,471 km (0.053 R)
• M79: 37,537,247 km (0.098 R)
• M80: 38,112,750 km (0.053 R)
• M81: 38,517,263 km (0.037 R)
• M82: 38,691,096 km (0.116 R)
• M83: 38,749,140 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961.9

Radius: 11.2

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 6.24 AU - 9.96 AU

Year: 8028 Days

Day: 11.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 46,188,494 km

• M1: 270,024 km (0.058 R)
• M2: 379,530 km (0.116 R)
• M3: 455,077 km (0.118 R)
• M4: 656,136 km (0.044 R)
• M5: 801,695 km (0.099 R)
• M6: 1,264,700 km (0.111 R)
• M7: 1,601,146 km (0.075 R)
• M8: 1,895,255 km (0.088 R)
• M9: 1,965,566 km (0.104 R)
• M10: 2,612,876 km (0.062 R)
• M11: 2,987,469 km (0.111 R)
• M12: 3,322,419 km (0.089 R)
• M13: 3,669,486 km (0.071 R)
• M14: 3,937,566 km (0.105 R)
• M15: 4,461,308 km (0.086 R)
• M16: 5,039,952 km (0.083 R)
• M17: 5,271,530 km (0.038 R)
• M18: 5,813,822 km (0.099 R)
• M19: 6,267,702 km (0.087 R)
• M20: 7,172,470 km (0.065 R)
• M21: 8,428,793 km (0.12 R)
• M22: 8,625,065 km (0.083 R)
• M23: 8,743,547 km (0.066 R)
• M24: 8,862,627 km (0.073 R)
• M25: 10,165,774 km (0.079 R)
• M26: 10,967,618 km (0.119 R)
• M27: 11,053,188 km (0.047 R)
• M28: 11,441,245 km (0.112 R)
• M29: 12,141,962 km (0.101 R)
• M30: 12,408,395 km (0.103 R)
• M31: 12,542,285 km (0.047 R)
• M32: 13,173,588 km (0.1 R)
• M33: 13,954,190 km (0.041 R)
• M34: 14,233,340 km (0.089 R)
• M35: 15,129,281 km (0.04 R)
• M36: 15,994,855 km (0.103 R)
• M37: 16,827,068 km (0.099 R)
• M38: 18,943,130 km (0.1 R)
• M39: 20,032,202 km (0.117 R)
• M40: 20,189,579 km (0.097 R)
• M41: 20,610,847 km (0.058 R)
• M42: 22,433,846 km (0.069 R)
• M43: 22,651,810 km (0.092 R)
• M44: 22,870,373 km (0.081 R)
• M45: 24,084,958 km (0.105 R)
• M46: 24,700,104 km (0.118 R)
• M47: 24,812,602 km (0.106 R)
• M48: 25,037,896 km (0.042 R)
• M49: 25,547,277 km (0.06 R)
• M50: 26,346,728 km (0.078 R)
• M51: 26,634,106 km (0.098 R)
• M52: 28,793,551 km (0.111 R)
• M53: 28,971,124 km (0.12 R)
• M54: 29,089,605 km (0.12 R)
• M55: 31,251,444 km (0.104 R)
• M56: 32,536,190 km (0.076 R)
• M57: 33,092,096 km (0.087 R)
• M58: 33,464,445 km (0.081 R)
• M59: 34,150,651 km (0.053 R)
• M60: 34,778,513 km (0.036 R)
• M61: 36,109,485 km (0.092 R)
• M62: 36,684,988 km (0.117 R)
• M63: 37,392,586 km (0.091 R)
• M64: 37,521,689 km (0.112 R)
• M65: 38,039,747 km (0.115 R)
• M66: 38,234,523 km (0.112 R)
• M67: 38,494,823 km (0.097 R)
• M68: 40,135,314 km (0.038 R)
• M69: 41,397,172 km (0.08 R)
• M70: 42,469,938 km (0.062 R)
• M71: 42,604,726 km (0.116 R)
• M72: 43,212,841 km (0.072 R)
• M73: 43,619,747 km (0.085 R)
• M74: 43,755,732 km (0.097 R)
• M75: 44,096,216 km (0.103 R)
• M76: 44,437,599 km (0.109 R)
• M77: 45,673,726 km (0.072 R)
• M78: 45,811,805 km (0.113 R)
• M79: 45,950,033 km (0.074 R)
• M80: 46,088,411 km (0.077 R)
• M81: 46,365,466 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66

Radius: 5.7

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 17.92 AU - 21.5 AU

Year: 30474 Days

Day: 18.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 46,188,494 km

• M1: 116,986 km (0.08 R)
• M2: 173,085 km (0.078 R)
• M3: 347,366 km (0.085 R)
• M4: 399,127 km (0.089 R)
• M5: 731,833 km (0.092 R)
• M6: 999,314 km (0.059 R)
• M7: 1,213,688 km (0.045 R)
• M8: 1,295,368 km (0.093 R)
• M9: 1,551,180 km (0.085 R)
• M10: 1,685,070 km (0.077 R)
• M11: 1,988,006 km (0.08 R)
• M12: 2,133,565 km (0.052 R)
• M13: 2,460,885 km (0.105 R)
• M14: 2,512,646 km (0.096 R)
• M15: 2,723,280 km (0.103 R)
• M16: 2,967,274 km (0.062 R)
• M17: 3,710,775 km (0.113 R)
• M18: 4,195,771 km (0.12 R)
• M19: 4,732,678 km (0.077 R)
• M20: 6,044,352 km (0.115 R)
• M21: 6,576,921 km (0.069 R)
• M22: 6,977,095 km (0.07 R)
• M23: 7,124,599 km (0.106 R)
• M24: 7,310,399 km (0.041 R)
• M25: 7,385,048 km (0.064 R)
• M26: 7,422,598 km (0.109 R)
• M27: 7,724,636 km (0.115 R)
• M28: 7,762,783 km (0.063 R)
• M29: 7,953,969 km (0.069 R)
• M30: 8,146,651 km (0.064 R)
• M31: 8,497,458 km (0.11 R)
• M32: 8,853,202 km (0.107 R)
• M33: 9,093,007 km (0.057 R)
• M34: 9,661,030 km (0.079 R)
• M35: 10,115,359 km (0.102 R)
• M36: 10,324,198 km (0.064 R)
• M37: 10,661,391 km (0.09 R)
• M38: 11,781,580 km (0.041 R)
• M39: 11,869,394 km (0.05 R)
• M40: 12,222,445 km (0.079 R)
• M41: 12,623,667 km (0.09 R)
• M42: 13,807,135 km (0.092 R)
• M43: 14,131,763 km (0.103 R)
• M44: 14,225,112 km (0.062 R)
• M45: 15,263,920 km (0.108 R)
• M46: 15,455,405 km (0.056 R)
• M47: 15,551,447 km (0.119 R)
• M48: 15,840,769 km (0.086 R)
• M49: 17,065,527 km (0.114 R)
• M50: 17,164,860 km (0.093 R)
• M51: 17,865,127 km (0.111 R)
• M52: 18,168,213 km (0.08 R)
• M53: 19,708,622 km (0.068 R)
• M54: 19,864,952 km (0.045 R)
• M55: 22,096,503 km (0.116 R)
• M56: 22,530,487 km (0.084 R)
• M57: 22,748,600 km (0.059 R)
• M58: 23,517,234 km (0.026 R)
• M59: 23,572,436 km (0.107 R)
• M60: 24,798,540 km (0.099 R)
• M61: 24,967,286 km (0.106 R)
• M62: 25,249,428 km (0.116 R)
• M63: 27,486,365 km (0.098 R)
• M64: 27,836,125 km (0.119 R)
• M65: 29,071,803 km (0.118 R)
• M66: 29,249,675 km (0.096 R)
• M67: 29,368,605 km (0.094 R)
• M68: 29,606,765 km (0.068 R)
• M69: 31,049,337 km (0.062 R)
• M70: 31,474,345 km (0.084 R)
• M71: 32,761,036 km (0.116 R)
• M72: 33,008,172 km (0.072 R)
• M73: 33,069,956 km (0.117 R)
• M74: 36,979,546 km (0.095 R)
• M75: 37,365,509 km (0.036 R)
• M76: 39,841,204 km (0.073 R)
• M77: 40,236,890 km (0.046 R)
• M78: 40,766,617 km (0.029 R)
• M79: 42,369,408 km (0.102 R)
• M80: 44,265,112 km (0.117 R)

Kuiper Belt

Range: 31.5 - 48.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 19,745 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit