🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.71 AU - 1.09 AU

Year: 304 Days

Day: 43.9 Hours

Environment

Temp: 95 °C

Axial Tilt: 31.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.27 AU - 1.31 AU

Year: 522 Days

Day: 19.7 Hours

Environment

Temp: 13 °C

Axial Tilt: 44.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 67,185,479 km

• M1: 167,250 km (0.08 R)

Asteroid Belt

Center: 5.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.5

Radius: 14.8

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.4 AU - 11.9 AU

Year: 10685 Days

Day: 13.5 Hours

Environment

Temp: -163 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 67,185,479 km

• M1: 205,547 km (0.1 R)
• M2: 436,377 km (0.066 R)
• M3: 1,229,994 km (0.099 R)
• M4: 1,432,100 km (0.094 R)
• M5: 1,667,717 km (0.067 R)
• M6: 1,893,460 km (0.108 R)
• M7: 2,325,798 km (0.054 R)
• M8: 2,657,457 km (0.111 R)
• M9: 3,568,059 km (0.042 R)
• M10: 4,164,356 km (0.074 R)
• M11: 4,728,041 km (0.102 R)
• M12: 4,889,008 km (0.086 R)
• M13: 5,962,074 km (0.084 R)
• M14: 6,347,587 km (0.119 R)
• M15: 7,216,900 km (0.102 R)
• M16: 7,440,250 km (0.105 R)
• M17: 7,552,748 km (0.032 R)
• M18: 8,239,701 km (0.07 R)
• M19: 8,708,840 km (0.113 R)
• M20: 9,227,047 km (0.086 R)
• M21: 9,632,607 km (0.077 R)
• M22: 9,837,556 km (0.115 R)
• M23: 10,251,792 km (0.072 R)
• M24: 10,671,863 km (0.052 R)
• M25: 11,790,257 km (0.107 R)
• M26: 12,631,296 km (0.062 R)
• M27: 12,765,785 km (0.111 R)
• M28: 14,044,697 km (0.052 R)
• M29: 14,464,469 km (0.072 R)
• M30: 14,841,156 km (0.114 R)
• M31: 15,078,119 km (0.083 R)
• M32: 15,604,105 km (0.09 R)
• M33: 16,331,001 km (0.087 R)
• M34: 16,969,934 km (0.118 R)
• M35: 17,118,634 km (0.051 R)
• M36: 17,517,013 km (0.045 R)
• M37: 18,730,701 km (0.041 R)
• M38: 20,391,087 km (0.119 R)
• M39: 20,549,063 km (0.104 R)
• M40: 21,345,671 km (0.037 R)
• M41: 22,260,462 km (0.045 R)
• M42: 22,369,070 km (0.1 R)
• M43: 22,477,678 km (0.069 R)
• M44: 22,641,039 km (0.076 R)
• M45: 23,023,561 km (0.101 R)
• M46: 23,353,275 km (0.083 R)
• M47: 23,961,839 km (0.05 R)
• M48: 24,912,384 km (0.05 R)
• M49: 25,137,977 km (0.076 R)
• M50: 25,989,488 km (0.05 R)
• M51: 27,081,852 km (0.088 R)
• M52: 27,721,084 km (0.112 R)
• M53: 28,896,175 km (0.119 R)
• M54: 32,087,995 km (0.084 R)
• M55: 32,517,940 km (0.052 R)
• M56: 34,319,098 km (0.085 R)
• M57: 34,821,747 km (0.1 R)
• M58: 35,010,838 km (0.064 R)
• M59: 36,792,250 km (0.107 R)
• M60: 37,629,400 km (0.074 R)
• M61: 38,017,905 km (0.113 R)
• M62: 38,342,533 km (0.099 R)
• M63: 38,537,907 km (0.099 R)
• M64: 38,798,806 km (0.099 R)
• M65: 38,994,929 km (0.073 R)
• M66: 39,519,270 km (0.113 R)
• M67: 39,980,181 km (0.104 R)
• M68: 40,310,493 km (0.12 R)
• M69: 40,707,974 km (0.053 R)
• M70: 40,840,667 km (0.105 R)
• M71: 41,975,218 km (0.037 R)
• M72: 42,647,511 km (0.108 R)
• M73: 43,323,394 km (0.109 R)
• M74: 43,526,697 km (0.114 R)
• M75: 45,234,357 km (0.095 R)
• M76: 45,440,802 km (0.1 R)
• M77: 45,716,511 km (0.068 R)

Planet 4 - Ice Giant

Semi-Major Axis: 15.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 380

Radius: 5.7

Gravity: 11.7 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 12.74 AU - 18.76 AU

Year: 22280 Days

Day: 23.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 67,185,479 km

• M1: 102,026 km (0.117 R)
• M2: 232,924 km (0.115 R)
• M3: 368,609 km (0.109 R)
• M4: 491,579 km (0.062 R)
• M5: 587,770 km (0.04 R)
• M6: 754,721 km (0.118 R)
• M7: 1,287,290 km (0.111 R)
• M8: 1,589,477 km (0.108 R)
• M9: 1,763,460 km (0.119 R)
• M10: 1,974,393 km (0.11 R)
• M11: 2,098,409 km (0.1 R)
• M12: 2,688,274 km (0.093 R)
• M13: 3,326,159 km (0.1 R)
• M14: 3,362,960 km (0.116 R)
• M15: 4,528,328 km (0.109 R)
• M16: 4,692,436 km (0.072 R)
• M17: 4,733,725 km (0.08 R)
• M18: 5,717,182 km (0.118 R)
• M19: 6,118,852 km (0.108 R)
• M20: 6,483,572 km (0.12 R)
• M21: 6,761,674 km (0.092 R)
• M22: 6,902,147 km (0.115 R)
• M23: 7,570,699 km (0.119 R)
• M24: 7,667,788 km (0.095 R)
• M25: 7,863,462 km (0.049 R)
• M26: 8,110,299 km (0.076 R)
• M27: 10,068,086 km (0.093 R)
• M28: 11,043,913 km (0.114 R)
• M29: 11,936,265 km (0.045 R)
• M30: 12,391,192 km (0.04 R)
• M31: 12,563,229 km (0.062 R)
• M32: 12,620,675 km (0.091 R)
• M33: 13,200,815 km (0.104 R)
• M34: 13,612,060 km (0.091 R)
• M35: 14,628,129 km (0.062 R)
• M36: 15,359,961 km (0.091 R)
• M37: 16,103,612 km (0.11 R)
• M38: 16,417,020 km (0.107 R)
• M39: 17,819,500 km (0.116 R)
• M40: 17,948,753 km (0.085 R)
• M41: 18,404,128 km (0.093 R)
• M42: 19,592,384 km (0.054 R)
• M43: 19,792,845 km (0.116 R)
• M44: 21,146,557 km (0.119 R)
• M45: 21,627,215 km (0.112 R)
• M46: 21,765,293 km (0.088 R)
• M47: 21,903,671 km (0.107 R)
• M48: 22,950,408 km (0.116 R)
• M49: 23,728,317 km (0.081 R)
• M50: 24,443,095 km (0.082 R)
• M51: 24,586,859 km (0.118 R)
• M52: 28,271,604 km (0.1 R)
• M53: 29,257,604 km (0.063 R)
• M54: 29,486,638 km (0.069 R)
• M55: 29,946,651 km (0.083 R)
• M56: 30,254,673 km (0.114 R)
• M57: 31,185,023 km (0.07 R)
• M58: 31,497,233 km (0.112 R)
• M59: 34,272,573 km (0.108 R)
• M60: 35,160,885 km (0.08 R)
• M61: 36,056,827 km (0.082 R)
• M62: 36,548,705 km (0.093 R)
• M63: 37,125,255 km (0.116 R)
• M64: 37,290,560 km (0.064 R)
• M65: 38,621,682 km (0.032 R)
• M66: 38,873,007 km (0.096 R)
• M67: 39,545,898 km (0.119 R)
• M68: 39,799,317 km (0.071 R)
• M69: 42,017,105 km (0.067 R)
• M70: 42,967,500 km (0.105 R)
• M71: 44,012,292 km (0.099 R)
• M72: 45,065,461 km (0.089 R)
• M73: 45,153,574 km (0.119 R)
• M74: 47,554,919 km (0.107 R)
• M75: 47,824,345 km (0.075 R)
• M76: 49,724,088 km (0.078 R)
• M77: 49,997,404 km (0.107 R)
• M78: 52,110,025 km (0.11 R)
• M79: 52,480,429 km (0.096 R)
• M80: 52,758,831 km (0.11 R)
• M81: 52,851,731 km (0.037 R)
• M82: 53,223,930 km (0.091 R)
• M83: 55,286,137 km (0.116 R)
• M84: 55,947,659 km (0.094 R)
• M85: 56,042,504 km (0.083 R)
• M86: 56,421,884 km (0.109 R)
• M87: 58,236,057 km (0.076 R)
• M88: 59,005,589 km (0.083 R)
• M89: 61,725,428 km (0.117 R)
• M90: 62,411,633 km (0.096 R)
• M91: 63,297,851 km (0.076 R)
• M92: 66,883,712 km (0.049 R)

Kuiper Belt

Range: 30.8 - 59.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 15,257 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit