🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.77

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.68 AU - 0.74 AU

Year: 216 Days

Day: 24.9 Hours

Environment

Temp: 150 °C

Axial Tilt: 14.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 0.95 AU - 1.01 AU

Year: 351 Days

Day: 19.5 Hours

Environment

Temp: 69 °C

Axial Tilt: 11.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 96,575,463 km

• M1: 73,004 km (0.12 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.99 AU - 1.57 AU

Year: 524 Days

Day: 28.3 Hours

Environment

Temp: 16 °C

Axial Tilt: 47.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.18 AU - 1.88 AU

Year: 684 Days

Day: 23.6 Hours

Environment

Temp: -26 °C

Axial Tilt: 13.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.5

Radius: 13.9

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.62 AU - 8.54 AU

Year: 7547 Days

Day: 11.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 96,575,463 km

• M1: 174,282 km (0.116 R)
• M2: 271,670 km (0.085 R)
• M3: 811,419 km (0.09 R)
• M4: 1,277,117 km (0.045 R)
• M5: 1,376,001 km (0.026 R)
• M6: 2,071,781 km (0.056 R)
• M7: 2,261,471 km (0.025 R)
• M8: 2,407,778 km (0.028 R)
• M9: 2,633,222 km (0.045 R)
• M10: 2,944,984 km (0.09 R)
• M11: 3,186,734 km (0.119 R)
• M12: 3,575,838 km (0.116 R)
• M13: 3,980,500 km (0.077 R)
• M14: 4,188,441 km (0.107 R)
• M15: 4,522,643 km (0.11 R)
• M16: 4,646,211 km (0.055 R)
• M17: 4,865,521 km (0.066 R)
• M18: 5,120,286 km (0.102 R)
• M19: 5,314,165 km (0.088 R)
• M20: 5,910,911 km (0.079 R)
• M21: 6,046,447 km (0.091 R)
• M22: 6,251,845 km (0.05 R)
• M23: 6,564,055 km (0.115 R)
• M24: 6,775,138 km (0.08 R)
• M25: 6,917,106 km (0.104 R)
• M26: 7,276,440 km (0.098 R)
• M27: 7,605,107 km (0.092 R)
• M28: 7,938,710 km (0.07 R)
• M29: 8,050,909 km (0.108 R)
• M30: 8,352,947 km (0.085 R)
• M31: 8,697,321 km (0.085 R)
• M32: 9,242,156 km (0.068 R)
• M33: 9,518,763 km (0.072 R)
• M34: 10,324,048 km (0.097 R)
• M35: 10,652,416 km (0.04 R)
• M36: 11,277,435 km (0.079 R)
• M37: 11,488,368 km (0.108 R)
• M38: 12,129,096 km (0.092 R)
• M39: 12,650,146 km (0.084 R)
• M40: 13,579,747 km (0.101 R)
• M41: 14,348,231 km (0.097 R)
• M42: 14,668,819 km (0.061 R)
• M43: 14,899,350 km (0.092 R)
• M44: 15,038,176 km (0.111 R)
• M45: 15,504,174 km (0.064 R)
• M46: 16,641,866 km (0.094 R)
• M47: 17,366,667 km (0.072 R)
• M48: 18,151,009 km (0.082 R)
• M49: 18,697,041 km (0.079 R)
• M50: 19,097,515 km (0.079 R)
• M51: 19,298,873 km (0.101 R)
• M52: 19,500,980 km (0.117 R)
• M53: 20,624,759 km (0.075 R)
• M54: 21,664,464 km (0.084 R)
• M55: 22,032,475 km (0.049 R)
• M56: 22,934,700 km (0.108 R)
• M57: 24,229,021 km (0.1 R)
• M58: 25,491,627 km (0.049 R)
• M59: 25,713,480 km (0.119 R)
• M60: 25,824,482 km (0.119 R)
• M61: 26,103,033 km (0.118 R)
• M62: 26,214,783 km (0.03 R)
• M63: 28,827,210 km (0.09 R)
• M64: 30,164,316 km (0.064 R)
• M65: 32,237,743 km (0.116 R)
• M66: 33,443,202 km (0.117 R)
• M67: 33,868,509 km (0.112 R)
• M68: 34,847,478 km (0.076 R)
• M69: 34,970,597 km (0.103 R)
• M70: 35,155,350 km (0.077 R)
• M71: 36,084,353 km (0.062 R)
• M72: 38,156,433 km (0.086 R)
• M73: 39,302,951 km (0.081 R)
• M74: 39,431,007 km (0.105 R)
• M75: 39,944,726 km (0.096 R)
• M76: 40,266,960 km (0.103 R)
• M77: 40,849,195 km (0.085 R)
• M78: 41,695,021 km (0.051 R)
• M79: 42,612,355 km (0.073 R)
• M80: 43,337,755 km (0.105 R)
• M81: 43,602,543 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.1

Radius: 14.6

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 6.82 AU - 11.16 AU

Year: 9748 Days

Day: 6.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 96,575,463 km

• M1: 182,509 km (0.088 R)
• M2: 403,615 km (0.116 R)
• M3: 562,189 km (0.118 R)
• M4: 734,675 km (0.049 R)
• M5: 1,288,636 km (0.053 R)
• M6: 1,815,370 km (0.06 R)
• M7: 2,291,091 km (0.058 R)
• M8: 2,643,394 km (0.053 R)
• M9: 2,805,708 km (0.059 R)
• M10: 2,908,781 km (0.109 R)
• M11: 3,666,943 km (0.114 R)
• M12: 3,803,077 km (0.09 R)
• M13: 4,080,432 km (0.105 R)
• M14: 4,269,074 km (0.111 R)
• M15: 4,655,037 km (0.1 R)
• M16: 5,128,365 km (0.119 R)
• M17: 5,591,220 km (0.065 R)
• M18: 5,774,777 km (0.107 R)
• M19: 5,960,578 km (0.056 R)
• M20: 7,003,125 km (0.088 R)
• M21: 7,116,221 km (0.056 R)
• M22: 7,836,684 km (0.115 R)
• M23: 8,340,081 km (0.091 R)
• M24: 8,490,128 km (0.117 R)
• M25: 8,610,853 km (0.085 R)
• M26: 8,701,659 km (0.105 R)
• M27: 9,754,380 km (0.077 R)
• M28: 9,849,225 km (0.082 R)
• M29: 10,554,130 km (0.055 R)
• M30: 10,847,192 km (0.098 R)
• M31: 11,642,005 km (0.086 R)
• M32: 14,496,782 km (0.108 R)
• M33: 14,641,443 km (0.106 R)
• M34: 15,005,115 km (0.114 R)
• M35: 15,187,924 km (0.099 R)
• M36: 16,001,736 km (0.119 R)
• M37: 16,715,916 km (0.076 R)
• M38: 16,829,611 km (0.116 R)
• M39: 17,363,675 km (0.102 R)
• M40: 18,136,498 km (0.119 R)
• M41: 20,278,590 km (0.111 R)
• M42: 20,602,768 km (0.085 R)
• M43: 21,215,222 km (0.071 R)
• M44: 21,833,660 km (0.083 R)
• M45: 22,124,179 km (0.103 R)
• M46: 22,709,406 km (0.097 R)
• M47: 23,088,187 km (0.119 R)
• M48: 23,384,242 km (0.106 R)
• M49: 24,323,118 km (0.109 R)
• M50: 25,579,590 km (0.053 R)
• M51: 26,325,934 km (0.071 R)
• M52: 30,952,099 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.8

Radius: 8

Gravity: 9.72 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 9.94 AU - 15.6 AU

Year: 16504 Days

Day: 19.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 96,575,463 km

• M1: 101,577 km (0.042 R)
• M2: 487,390 km (0.117 R)
• M3: 801,396 km (0.115 R)
• M4: 889,060 km (0.029 R)
• M5: 1,455,438 km (0.114 R)
• M6: 1,591,422 km (0.059 R)
• M7: 2,301,414 km (0.063 R)
• M8: 2,364,544 km (0.106 R)
• M9: 2,623,199 km (0.12 R)
• M10: 3,381,061 km (0.107 R)
• M11: 3,784,078 km (0.089 R)
• M12: 4,280,145 km (0.1 R)
• M13: 4,397,579 km (0.055 R)
• M14: 5,290,828 km (0.074 R)
• M15: 6,282,811 km (0.101 R)
• M16: 6,371,822 km (0.104 R)
• M17: 7,377,868 km (0.096 R)
• M18: 8,140,368 km (0.083 R)
• M19: 9,483,009 km (0.036 R)
• M20: 11,000,231 km (0.083 R)
• M21: 12,145,103 km (0.1 R)
• M22: 12,200,604 km (0.099 R)
• M23: 12,703,552 km (0.113 R)
• M24: 13,672,198 km (0.053 R)
• M25: 14,136,251 km (0.056 R)
• M26: 14,311,579 km (0.111 R)
• M27: 14,605,390 km (0.118 R)
• M28: 15,020,075 km (0.05 R)
• M29: 15,679,652 km (0.096 R)
• M30: 17,089,014 km (0.108 R)
• M31: 17,151,097 km (0.042 R)
• M32: 17,651,502 km (0.088 R)
• M33: 17,777,313 km (0.119 R)
• M34: 18,730,401 km (0.108 R)
• M35: 20,885,060 km (0.101 R)
• M36: 21,151,643 km (0.054 R)
• M37: 21,352,254 km (0.091 R)
• M38: 22,774,032 km (0.099 R)
• M39: 22,842,548 km (0.116 R)
• M40: 23,738,789 km (0.077 R)
• M41: 24,436,064 km (0.075 R)
• M42: 24,576,387 km (0.106 R)
• M43: 25,069,462 km (0.115 R)
• M44: 25,140,221 km (0.045 R)
• M45: 25,565,827 km (0.06 R)
• M46: 26,568,133 km (0.112 R)
• M47: 26,929,262 km (0.048 R)
• M48: 27,437,446 km (0.1 R)
• M49: 27,583,304 km (0.106 R)
• M50: 28,907,096 km (0.117 R)
• M51: 29,427,397 km (0.059 R)
• M52: 29,576,696 km (0.083 R)
• M53: 29,950,990 km (0.118 R)
• M54: 30,025,938 km (0.086 R)
• M55: 30,855,458 km (0.056 R)
• M56: 33,155,825 km (0.106 R)
• M57: 35,193,797 km (0.091 R)
• M58: 35,352,221 km (0.091 R)
• M59: 35,510,944 km (0.12 R)
• M60: 36,548,106 km (0.109 R)
• M61: 38,570,520 km (0.106 R)
• M62: 39,225,310 km (0.082 R)
• M63: 39,471,847 km (0.113 R)
• M64: 39,554,126 km (0.063 R)
• M65: 40,795,190 km (0.115 R)
• M66: 41,462,247 km (0.028 R)
• M67: 41,881,121 km (0.103 R)
• M68: 42,385,415 km (0.045 R)
• M69: 43,315,465 km (0.108 R)
• M70: 44,594,377 km (0.119 R)
• M71: 44,937,555 km (0.102 R)
• M72: 45,799,239 km (0.117 R)
• M73: 46,492,475 km (0.047 R)
• M74: 47,364,032 km (0.083 R)
• M75: 48,505,015 km (0.077 R)
• M76: 49,300,277 km (0.112 R)
• M77: 49,654,974 km (0.062 R)
• M78: 51,172,495 km (0.108 R)
• M79: 52,252,741 km (0.117 R)
• M80: 52,343,098 km (0.072 R)
• M81: 52,704,975 km (0.073 R)
• M82: 54,894,191 km (0.044 R)
• M83: 55,354,055 km (0.105 R)
• M84: 57,299,126 km (0.034 R)
• M85: 57,485,525 km (0.086 R)
• M86: 58,327,013 km (0.064 R)
• M87: 59,172,391 km (0.056 R)
• M88: 62,211,172 km (0.107 R)
• M89: 62,690,484 km (0.081 R)
• M90: 62,978,759 km (0.095 R)
• M91: 64,039,258 km (0.08 R)
• M92: 64,136,048 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 555.2

Radius: 7.7

Gravity: 9.36 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 18.02 AU - 21.5 AU

Year: 31767 Days

Day: 18.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 108.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 96,575,463 km

• M1: 98,884 km (0.098 R)
• M2: 454,478 km (0.088 R)
• M3: 782,397 km (0.114 R)
• M4: 1,174,493 km (0.09 R)
• M5: 1,340,247 km (0.117 R)
• M6: 1,768,995 km (0.11 R)
• M7: 2,157,201 km (0.105 R)
• M8: 2,614,372 km (0.117 R)
• M9: 3,010,508 km (0.094 R)
• M10: 3,146,642 km (0.07 R)
• M11: 5,422,773 km (0.069 R)
• M12: 8,403,660 km (0.051 R)
• M13: 9,713,988 km (0.097 R)
• M14: 10,461,529 km (0.087 R)
• M15: 11,939,256 km (0.115 R)
• M16: 13,857,700 km (0.09 R)
• M17: 14,085,238 km (0.102 R)
• M18: 15,475,750 km (0.113 R)
• M19: 16,028,365 km (0.058 R)
• M20: 16,990,578 km (0.086 R)
• M21: 17,642,376 km (0.09 R)
• M22: 19,476,745 km (0.106 R)
• M23: 19,987,622 km (0.077 R)
• M24: 22,874,562 km (0.11 R)
• M25: 22,964,021 km (0.069 R)
• M26: 23,143,389 km (0.055 R)
• M27: 23,956,304 km (0.059 R)
• M28: 24,411,979 km (0.109 R)
• M29: 25,702,859 km (0.086 R)
• M30: 26,169,305 km (0.071 R)
• M31: 26,921,483 km (0.087 R)
• M32: 27,205,270 km (0.104 R)
• M33: 27,680,543 km (0.036 R)
• M34: 28,832,596 km (0.109 R)
• M35: 29,122,965 km (0.089 R)
• M36: 29,511,770 km (0.078 R)
• M37: 30,196,181 km (0.098 R)
• M38: 30,294,466 km (0.059 R)
• M39: 31,381,744 km (0.095 R)
• M40: 31,880,054 km (0.069 R)
• M41: 32,582,267 km (0.055 R)
• M42: 33,391,142 km (0.117 R)
• M43: 33,899,925 km (0.101 R)
• M44: 35,752,994 km (0.108 R)
• M45: 37,744,291 km (0.11 R)
• M46: 38,380,531 km (0.1 R)
• M47: 39,986,763 km (0.09 R)
• M48: 40,310,642 km (0.093 R)
• M49: 41,287,516 km (0.077 R)
• M50: 41,943,054 km (0.104 R)
• M51: 45,047,659 km (0.055 R)
• M52: 46,740,957 km (0.119 R)
• M53: 47,995,934 km (0.065 R)
• M54: 48,225,267 km (0.026 R)
• M55: 48,340,158 km (0.114 R)
• M56: 48,685,131 km (0.114 R)
• M57: 49,609,197 km (0.111 R)
• M58: 50,422,411 km (0.114 R)
• M59: 50,655,634 km (0.051 R)
• M60: 51,357,248 km (0.116 R)
• M61: 51,591,967 km (0.109 R)
• M62: 51,826,836 km (0.114 R)
• M63: 53,481,538 km (0.045 R)
• M64: 56,721,379 km (0.101 R)
• M65: 58,793,609 km (0.111 R)
• M66: 60,395,054 km (0.034 R)
• M67: 60,766,655 km (0.094 R)
• M68: 62,886,607 km (0.083 R)
• M69: 64,523,955 km (0.068 R)
• M70: 64,777,075 km (0.059 R)
• M71: 65,411,519 km (0.07 R)
• M72: 68,613,961 km (0.108 R)
• M73: 71,343,225 km (0.049 R)
• M74: 71,735,919 km (0.11 R)
• M75: 75,703,105 km (0.09 R)
• M76: 77,444,274 km (0.042 R)
• M77: 78,252,402 km (0.108 R)
• M78: 78,387,339 km (0.091 R)
• M79: 78,927,837 km (0.03 R)
• M80: 82,059,967 km (0.064 R)
• M81: 84,816,607 km (0.104 R)
• M82: 84,955,135 km (0.085 R)
• M83: 85,093,812 km (0.057 R)
• M84: 85,788,545 km (0.113 R)
• M85: 86,624,497 km (0.052 R)
• M86: 88,445,104 km (0.116 R)
• M87: 89,007,891 km (0.101 R)
• M88: 89,712,945 km (0.091 R)
• M89: 95,419,955 km (0.06 R)

Kuiper Belt

Range: 30.3 - 46.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 19,393 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit