🌌 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: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.48 AU - 0.58 AU

Year: 245 Days

Day: 47.4 Hours

Environment

Temp: -126 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.5 AU - 0.56 AU

Year: 245 Days

Day: 34.2 Hours

Environment

Temp: -119 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,394,411 km

• M1: 613,202 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.52 AU - 0.74 AU

Year: 318 Days

Day: 19.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.8

Radius: 14.3

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.79 AU - 1.05 AU

Year: 561 Days

Day: 14.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 55,394,411 km

• M1: 178,021 km (0.04 R)
• M2: 285,134 km (0.12 R)
• M3: 381,774 km (0.096 R)
• M4: 487,539 km (0.105 R)
• M5: 578,645 km (0.105 R)
• M6: 700,118 km (0.077 R)
• M7: 799,002 km (0.103 R)
• M8: 903,422 km (0.063 R)
• M9: 1,049,429 km (0.038 R)
• M10: 1,267,094 km (0.074 R)
• M11: 1,361,640 km (0.097 R)
• M12: 1,453,493 km (0.099 R)
• M13: 1,547,740 km (0.082 R)
• M14: 1,638,845 km (0.097 R)
• M15: 1,742,815 km (0.063 R)
• M16: 1,975,141 km (0.054 R)
• M17: 2,151,965 km (0.113 R)
• M18: 2,458,491 km (0.07 R)
• M19: 2,636,513 km (0.097 R)
• M20: 2,799,126 km (0.05 R)
• M21: 2,891,727 km (0.038 R)
• M22: 3,012,303 km (0.102 R)
• M23: 3,162,050 km (0.067 R)
• M24: 3,426,689 km (0.047 R)
• M25: 3,698,807 km (0.116 R)
• M26: 4,022,687 km (0.118 R)
• M27: 4,120,225 km (0.063 R)
• M28: 4,279,546 km (0.092 R)
• M29: 4,643,368 km (0.072 R)
• M30: 4,849,215 km (0.11 R)
• M31: 4,985,349 km (0.082 R)
• M32: 5,090,367 km (0.091 R)
• M33: 5,526,145 km (0.101 R)
• M34: 5,626,526 km (0.107 R)
• M35: 5,846,135 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.6

Radius: 10.6

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.78 AU - 1.28 AU

Year: 665 Days

Day: 6.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 55,394,411 km

• M1: 133,292 km (0.106 R)
• M2: 221,405 km (0.082 R)
• M3: 306,676 km (0.072 R)
• M4: 563,535 km (0.067 R)
• M5: 651,349 km (0.084 R)
• M6: 728,542 km (0.108 R)
• M7: 842,386 km (0.08 R)
• M8: 916,137 km (0.11 R)
• M9: 1,279,959 km (0.09 R)
• M10: 1,352,814 km (0.099 R)
• M11: 1,433,896 km (0.04 R)
• M12: 1,509,742 km (0.078 R)
• M13: 1,694,495 km (0.074 R)
• M14: 2,039,917 km (0.077 R)
• M15: 2,133,864 km (0.061 R)
• M16: 2,205,222 km (0.111 R)
• M17: 2,325,948 km (0.106 R)
• M18: 2,415,856 km (0.098 R)
• M19: 2,482,128 km (0.081 R)
• M20: 2,607,940 km (0.114 R)
• M21: 2,684,534 km (0.094 R)
• M22: 2,770,403 km (0.109 R)
• M23: 2,839,816 km (0.081 R)
• M24: 2,945,133 km (0.064 R)
• M25: 3,195,859 km (0.108 R)
• M26: 3,519,290 km (0.11 R)
• M27: 3,960,304 km (0.104 R)
• M28: 4,137,728 km (0.109 R)
• M29: 4,207,440 km (0.078 R)
• M30: 4,459,812 km (0.104 R)
• M31: 4,603,276 km (0.101 R)
• M32: 4,706,648 km (0.114 R)
• M33: 4,979,216 km (0.094 R)
• M34: 5,085,430 km (0.114 R)
• M35: 5,376,099 km (0.086 R)
• M36: 5,627,872 km (0.1 R)
• M37: 5,749,794 km (0.094 R)
• M38: 5,962,373 km (0.055 R)
• M39: 6,029,991 km (0.04 R)
• M40: 6,120,647 km (0.089 R)
• M41: 6,200,233 km (0.081 R)
• M42: 6,383,640 km (0.106 R)
• M43: 6,545,655 km (0.113 R)
• M44: 6,861,905 km (0.093 R)
• M45: 7,039,777 km (0.098 R)
• M46: 7,123,402 km (0.078 R)
• M47: 7,570,400 km (0.118 R)
• M48: 7,668,237 km (0.048 R)
• M49: 7,865,407 km (0.114 R)
• M50: 7,964,441 km (0.046 R)
• M51: 8,051,507 km (0.055 R)
• M52: 8,352,648 km (0.091 R)
• M53: 8,453,776 km (0.082 R)
• M54: 8,631,797 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.9

Radius: 12

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.27 AU - 2.49 AU

Year: 2335 Days

Day: 8.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 55,394,411 km

• M1: 172,337 km (0.082 R)
• M2: 264,339 km (0.09 R)
• M3: 488,736 km (0.065 R)
• M4: 569,369 km (0.095 R)
• M5: 671,844 km (0.066 R)
• M6: 781,499 km (0.049 R)
• M7: 1,011,132 km (0.102 R)
• M8: 1,129,314 km (0.12 R)
• M9: 1,210,995 km (0.107 R)
• M10: 1,535,921 km (0.032 R)
• M11: 1,615,807 km (0.116 R)
• M12: 1,815,969 km (0.084 R)
• M13: 1,962,275 km (0.079 R)
• M14: 2,150,769 km (0.03 R)
• M15: 2,505,465 km (0.093 R)
• M16: 2,710,713 km (0.101 R)
• M17: 2,850,587 km (0.096 R)
• M18: 2,935,709 km (0.104 R)
• M19: 3,137,815 km (0.092 R)
• M20: 3,255,399 km (0.083 R)
• M21: 3,834,193 km (0.096 R)
• M22: 3,912,732 km (0.095 R)
• M23: 4,119,477 km (0.09 R)
• M24: 4,644,116 km (0.084 R)
• M25: 5,259,712 km (0.115 R)
• M26: 5,756,376 km (0.038 R)
• M27: 5,864,685 km (0.111 R)
• M28: 6,083,697 km (0.064 R)
• M29: 6,268,151 km (0.089 R)
• M30: 6,398,301 km (0.074 R)
• M31: 6,928,476 km (0.11 R)
• M32: 7,101,860 km (0.107 R)
• M33: 7,198,799 km (0.116 R)
• M34: 7,276,740 km (0.084 R)
• M35: 7,492,310 km (0.12 R)
• M36: 7,889,941 km (0.055 R)
• M37: 8,030,713 km (0.059 R)
• M38: 8,335,294 km (0.096 R)
• M39: 9,399,085 km (0.074 R)
• M40: 9,612,710 km (0.119 R)
• M41: 9,849,524 km (0.119 R)
• M42: 10,549,642 km (0.038 R)
• M43: 10,749,355 km (0.052 R)
• M44: 10,950,415 km (0.058 R)
• M45: 11,107,642 km (0.094 R)
• M46: 11,424,490 km (0.044 R)
• M47: 11,629,589 km (0.077 R)
• M48: 11,905,148 km (0.084 R)
• M49: 12,579,984 km (0.085 R)
• M50: 12,673,932 km (0.043 R)
• M51: 14,039,611 km (0.09 R)
• M52: 14,259,519 km (0.054 R)
• M53: 14,480,475 km (0.091 R)
• M54: 14,801,812 km (0.098 R)
• M55: 14,950,961 km (0.111 R)
• M56: 15,426,383 km (0.075 R)
• M57: 15,628,041 km (0.041 R)
• M58: 15,830,596 km (0.109 R)
• M59: 15,957,605 km (0.067 R)
• M60: 16,136,075 km (0.06 R)
• M61: 16,263,981 km (0.087 R)
• M62: 16,417,768 km (0.046 R)
• M63: 16,830,508 km (0.096 R)
• M64: 16,986,240 km (0.113 R)
• M65: 17,298,899 km (0.079 R)
• M66: 17,560,995 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.7

Radius: 12.6

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 2.82 AU - 3.06 AU

Year: 3205 Days

Day: 11.4 Hours

Environment

Temp: -192 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 55,394,411 km

• M1: 157,227 km (0.046 R)
• M2: 246,088 km (0.087 R)
• M3: 370,105 km (0.059 R)
• M4: 533,167 km (0.115 R)
• M5: 655,089 km (0.119 R)
• M6: 733,478 km (0.106 R)
• M7: 824,883 km (0.081 R)
• M8: 980,165 km (0.113 R)
• M9: 1,114,205 km (0.098 R)
• M10: 1,299,258 km (0.055 R)
• M11: 1,401,433 km (0.077 R)
• M12: 1,626,727 km (0.112 R)
• M13: 1,838,707 km (0.114 R)
• M14: 2,007,005 km (0.116 R)
• M15: 2,113,220 km (0.093 R)
• M16: 2,248,755 km (0.064 R)
• M17: 2,359,308 km (0.104 R)
• M18: 2,457,594 km (0.049 R)
• M19: 2,600,460 km (0.038 R)
• M20: 2,716,847 km (0.116 R)
• M21: 2,805,259 km (0.029 R)
• M22: 3,184,490 km (0.109 R)
• M23: 3,372,385 km (0.12 R)
• M24: 3,596,183 km (0.109 R)
• M25: 3,693,721 km (0.108 R)
• M26: 3,792,156 km (0.105 R)
• M27: 3,891,489 km (0.032 R)
• M28: 4,418,523 km (0.076 R)
• M29: 4,540,595 km (0.1 R)
• M30: 4,877,938 km (0.08 R)
• M31: 5,150,206 km (0.113 R)
• M32: 5,297,410 km (0.069 R)
• M33: 5,709,552 km (0.094 R)
• M34: 5,919,588 km (0.104 R)
• M35: 6,327,541 km (0.106 R)
• M36: 6,744,919 km (0.055 R)
• M37: 6,946,727 km (0.094 R)
• M38: 7,068,799 km (0.105 R)
• M39: 7,356,475 km (0.044 R)
• M40: 7,439,502 km (0.082 R)
• M41: 7,879,918 km (0.082 R)
• M42: 8,114,039 km (0.118 R)
• M43: 8,372,095 km (0.058 R)
• M44: 8,589,311 km (0.066 R)
• M45: 8,896,436 km (0.088 R)
• M46: 9,341,489 km (0.117 R)
• M47: 10,137,949 km (0.067 R)
• M48: 10,276,626 km (0.088 R)
• M49: 10,509,250 km (0.114 R)
• M50: 10,743,670 km (0.06 R)
• M51: 10,861,553 km (0.028 R)
• M52: 11,003,522 km (0.107 R)
• M53: 11,265,468 km (0.049 R)
• M54: 11,625,999 km (0.039 R)
• M55: 12,137,174 km (0.071 R)
• M56: 12,556,348 km (0.05 R)
• M57: 12,830,112 km (0.09 R)
• M58: 12,930,193 km (0.118 R)
• M59: 13,231,932 km (0.105 R)
• M60: 13,944,915 km (0.062 R)
• M61: 14,151,061 km (0.101 R)
• M62: 14,280,314 km (0.094 R)
• M63: 14,540,165 km (0.109 R)
• M64: 14,670,614 km (0.106 R)
• M65: 15,038,027 km (0.102 R)
• M66: 15,169,972 km (0.071 R)
• M67: 15,675,014 km (0.052 R)
• M68: 15,942,944 km (0.106 R)
• M69: 16,023,727 km (0.104 R)
• M70: 16,212,520 km (0.089 R)
• M71: 16,565,271 km (0.063 R)
• M72: 16,646,952 km (0.064 R)
• M73: 16,728,782 km (0.061 R)
• M74: 16,865,664 km (0.077 R)
• M75: 17,610,661 km (0.055 R)
• M76: 17,749,787 km (0.083 R)
• M77: 18,141,285 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 775.7

Radius: 6.4

Gravity: 18.94 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 6.57 AU - 7.35 AU

Year: 11675 Days

Day: 19.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 121.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 55,394,411 km

• M1: 152,291 km (0.076 R)
• M2: 396,285 km (0.091 R)
• M3: 505,641 km (0.048 R)
• M4: 735,573 km (0.112 R)
• M5: 1,126,023 km (0.086 R)
• M6: 2,015,682 km (0.049 R)
• M7: 2,180,688 km (0.119 R)
• M8: 2,293,335 km (0.085 R)
• M9: 2,436,650 km (0.118 R)
• M10: 2,702,336 km (0.087 R)
• M11: 2,946,180 km (0.119 R)
• M12: 3,197,206 km (0.073 R)
• M13: 3,753,261 km (0.092 R)
• M14: 3,922,606 km (0.12 R)
• M15: 4,233,620 km (0.084 R)
• M16: 4,552,712 km (0.116 R)
• M17: 4,806,131 km (0.117 R)
• M18: 5,440,875 km (0.112 R)
• M19: 5,555,616 km (0.116 R)
• M20: 5,709,852 km (0.055 R)
• M21: 6,101,648 km (0.103 R)
• M22: 6,502,122 km (0.073 R)
• M23: 6,952,561 km (0.101 R)
• M24: 7,077,026 km (0.081 R)
• M25: 7,497,696 km (0.087 R)
• M26: 7,926,443 km (0.116 R)
• M27: 8,100,126 km (0.094 R)
• M28: 8,143,809 km (0.057 R)
• M29: 8,187,491 km (0.098 R)
• M30: 9,078,048 km (0.057 R)
• M31: 9,396,990 km (0.109 R)
• M32: 9,765,899 km (0.093 R)
• M33: 10,328,237 km (0.107 R)
• M34: 10,470,505 km (0.028 R)
• M35: 10,804,856 km (0.058 R)
• M36: 11,337,424 km (0.114 R)
• M37: 12,177,267 km (0.065 R)
• M38: 12,227,232 km (0.052 R)
• M39: 12,528,822 km (0.04 R)
• M40: 12,832,954 km (0.098 R)
• M41: 12,883,817 km (0.041 R)
• M42: 12,934,830 km (0.109 R)
• M43: 13,396,639 km (0.105 R)
• M44: 14,125,779 km (0.061 R)
• M45: 15,135,864 km (0.06 R)
• M46: 15,622,356 km (0.065 R)
• M47: 15,840,171 km (0.12 R)
• M48: 17,280,798 km (0.086 R)
• M49: 17,619,188 km (0.098 R)
• M50: 17,732,584 km (0.097 R)
• M51: 18,245,256 km (0.079 R)
• M52: 18,589,779 km (0.102 R)
• M53: 18,820,759 km (0.067 R)
• M54: 19,227,066 km (0.032 R)
• M55: 20,285,172 km (0.103 R)
• M56: 21,121,275 km (0.103 R)
• M57: 21,181,413 km (0.09 R)
• M58: 21,301,839 km (0.091 R)
• M59: 21,362,277 km (0.106 R)
• M60: 21,786,088 km (0.096 R)
• M61: 22,950,408 km (0.096 R)
• M62: 24,071,943 km (0.053 R)
• M63: 24,639,517 km (0.099 R)
• M64: 25,083,823 km (0.061 R)
• M65: 25,275,159 km (0.115 R)
• M66: 25,339,037 km (0.093 R)
• M67: 26,174,242 km (0.099 R)
• M68: 28,135,620 km (0.098 R)
• M69: 28,866,704 km (0.095 R)
• M70: 29,201,056 km (0.084 R)
• M71: 29,402,265 km (0.109 R)
• M72: 29,671,242 km (0.116 R)
• M73: 29,738,710 km (0.101 R)
• M74: 30,687,310 km (0.12 R)
• M75: 30,755,527 km (0.028 R)
• M76: 33,662,662 km (0.051 R)
• M77: 34,864,083 km (0.058 R)
• M78: 35,077,559 km (0.092 R)
• M79: 36,007,609 km (0.078 R)
• M80: 36,079,566 km (0.091 R)
• M81: 37,090,847 km (0.096 R)
• M82: 39,585,392 km (0.107 R)
• M83: 42,209,488 km (0.12 R)
• M84: 44,271,844 km (0.079 R)
• M85: 45,976,362 km (0.077 R)
• M86: 48,335,222 km (0.095 R)
• M87: 49,050,449 km (0.117 R)
• M88: 50,170,040 km (0.116 R)
• M89: 50,411,042 km (0.119 R)
• M90: 50,652,493 km (0.061 R)
• M91: 51,136,442 km (0.065 R)
• M92: 51,298,157 km (0.059 R)
• M93: 51,865,283 km (0.102 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: 211 - 17,546 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit