🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.45 AU - 0.63 AU

Year: 252 Days

Day: 34.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 48.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 15,068,870 km

• M1: 106,214 km (0.064 R)
• M2: 178,470 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.45 AU - 0.75 AU

Year: 296 Days

Day: 30.8 Hours

Environment

Temp: -126 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.8

Radius: 11.2

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 0.63 AU - 0.85 AU

Year: 405 Days

Day: 12 Hours

Environment

Temp: -133 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 15,068,870 km

• M1: 174,431 km (0.11 R)
• M2: 247,136 km (0.051 R)
• M3: 420,968 km (0.074 R)
• M4: 495,319 km (0.034 R)
• M5: 618,886 km (0.099 R)
• M6: 699,370 km (0.115 R)
• M7: 795,262 km (0.112 R)
• M8: 872,305 km (0.06 R)
• M9: 1,018,163 km (0.105 R)
• M10: 1,150,557 km (0.032 R)
• M11: 1,243,757 km (0.105 R)
• M12: 1,316,611 km (0.076 R)
• M13: 1,553,873 km (0.071 R)
• M14: 1,667,867 km (0.11 R)
• M15: 1,805,198 km (0.114 R)
• M16: 1,994,588 km (0.111 R)
• M17: 2,124,439 km (0.086 R)
• M18: 2,257,282 km (0.081 R)
• M19: 2,336,120 km (0.116 R)
• M20: 2,444,429 km (0.076 R)
• M21: 2,519,677 km (0.074 R)
• M22: 2,642,796 km (0.117 R)
• M23: 2,714,154 km (0.062 R)
• M24: 2,950,369 km (0.111 R)
• M25: 3,024,570 km (0.081 R)
• M26: 3,199,898 km (0.094 R)
• M27: 3,295,192 km (0.08 R)
• M28: 3,449,727 km (0.076 R)
• M29: 3,527,967 km (0.048 R)
• M30: 3,686,241 km (0.117 R)
• M31: 3,826,564 km (0.081 R)
• M32: 3,948,337 km (0.099 R)
• M33: 4,230,628 km (0.098 R)
• M34: 4,307,521 km (0.119 R)
• M35: 4,412,988 km (0.082 R)
• M36: 4,526,682 km (0.105 R)
• M37: 4,605,221 km (0.087 R)
• M38: 4,917,282 km (0.042 R)
• M39: 5,027,685 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.2

Radius: 10

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.79 AU - 0.85 AU

Year: 472 Days

Day: 14 Hours

Environment

Temp: -140 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 15,068,870 km

• M1: 128,505 km (0.111 R)
• M2: 198,217 km (0.076 R)
• M3: 288,724 km (0.117 R)
• M4: 370,255 km (0.117 R)
• M5: 455,825 km (0.079 R)
• M6: 566,078 km (0.104 R)
• M7: 630,106 km (0.106 R)
• M8: 707,897 km (0.057 R)
• M9: 835,055 km (0.102 R)
• M10: 909,705 km (0.036 R)
• M11: 1,100,292 km (0.098 R)
• M12: 1,222,963 km (0.079 R)
• M13: 1,554,920 km (0.092 R)
• M14: 1,618,649 km (0.062 R)
• M15: 1,805,497 km (0.101 R)
• M16: 1,883,288 km (0.057 R)
• M17: 1,983,518 km (0.119 R)
• M18: 2,107,236 km (0.047 R)
• M19: 2,385,188 km (0.11 R)
• M20: 2,453,704 km (0.092 R)
• M21: 2,546,156 km (0.1 R)
• M22: 2,616,168 km (0.092 R)
• M23: 2,692,911 km (0.11 R)
• M24: 2,764,269 km (0.073 R)
• M25: 2,951,865 km (0.113 R)
• M26: 3,257,045 km (0.098 R)
• M27: 3,358,921 km (0.092 R)
• M28: 3,507,172 km (0.068 R)
• M29: 3,605,159 km (0.068 R)
• M30: 3,710,626 km (0.117 R)
• M31: 3,931,432 km (0.112 R)
• M32: 4,074,298 km (0.1 R)
• M33: 4,302,136 km (0.098 R)
• M34: 4,633,944 km (0.099 R)
• M35: 4,712,931 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.4

Radius: 14.7

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.79 AU - 0.89 AU

Year: 489 Days

Day: 10.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 15,068,870 km

• M1: 183,257 km (0.101 R)
• M2: 293,661 km (0.104 R)
• M3: 418,575 km (0.098 R)
• M4: 520,750 km (0.119 R)
• M5: 686,654 km (0.098 R)
• M6: 807,529 km (0.032 R)
• M7: 904,768 km (0.1 R)
• M8: 1,048,531 km (0.119 R)
• M9: 1,152,053 km (0.057 R)
• M10: 1,268,440 km (0.12 R)
• M11: 1,365,529 km (0.094 R)
• M12: 1,475,185 km (0.102 R)
• M13: 1,573,022 km (0.112 R)
• M14: 1,708,856 km (0.057 R)
• M15: 1,896,452 km (0.048 R)
• M16: 2,009,249 km (0.076 R)
• M17: 2,146,430 km (0.051 R)
• M18: 2,241,724 km (0.05 R)
• M19: 2,344,199 km (0.061 R)
• M20: 2,500,977 km (0.079 R)
• M21: 2,601,507 km (0.104 R)
• M22: 2,992,705 km (0.033 R)
• M23: 3,093,385 km (0.105 R)
• M24: 3,311,498 km (0.055 R)
• M25: 3,508,220 km (0.11 R)
• M26: 3,628,197 km (0.099 R)
• M27: 3,763,134 km (0.111 R)
• M28: 4,045,126 km (0.1 R)
• M29: 4,164,057 km (0.115 R)
• M30: 4,291,365 km (0.074 R)
• M31: 4,455,922 km (0.101 R)
• M32: 4,622,574 km (0.108 R)
• M33: 4,769,330 km (0.065 R)
• M34: 5,014,820 km (0.066 R)
• M35: 5,150,505 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.3

Radius: 9.8

Gravity: 9.52 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.83 AU - 1.11 AU

Year: 607 Days

Day: 9.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 15,068,870 km

• M1: 131,197 km (0.073 R)
• M2: 317,447 km (0.065 R)
• M3: 379,679 km (0.037 R)
• M4: 451,636 km (0.117 R)
• M5: 524,789 km (0.105 R)
• M6: 602,580 km (0.113 R)
• M7: 740,509 km (0.1 R)
• M8: 818,899 km (0.058 R)
• M9: 1,150,258 km (0.095 R)
• M10: 1,324,839 km (0.115 R)
• M11: 1,395,898 km (0.085 R)
• M12: 1,501,663 km (0.116 R)
• M13: 1,569,282 km (0.116 R)
• M14: 1,749,697 km (0.113 R)
• M15: 1,821,055 km (0.085 R)
• M16: 1,893,311 km (0.086 R)
• M17: 2,033,484 km (0.103 R)
• M18: 2,108,582 km (0.084 R)
• M19: 2,177,098 km (0.115 R)
• M20: 2,347,639 km (0.066 R)
• M21: 2,474,498 km (0.115 R)
• M22: 2,554,982 km (0.09 R)
• M23: 2,628,135 km (0.111 R)
• M24: 2,718,493 km (0.096 R)
• M25: 2,987,619 km (0.08 R)
• M26: 3,134,075 km (0.12 R)
• M27: 3,221,441 km (0.081 R)
• M28: 3,283,075 km (0.114 R)
• M29: 3,345,008 km (0.067 R)
• M30: 3,443,294 km (0.112 R)
• M31: 3,533,502 km (0.079 R)
• M32: 3,688,635 km (0.082 R)
• M33: 3,771,662 km (0.109 R)
• M34: 3,864,711 km (0.102 R)
• M35: 4,119,776 km (0.108 R)
• M36: 4,205,944 km (0.109 R)
• M37: 4,370,502 km (0.058 R)
• M38: 4,488,086 km (0.071 R)
• M39: 4,706,199 km (0.088 R)
• M40: 4,776,211 km (0.12 R)
• M41: 4,998,962 km (0.081 R)
• M42: 5,287,537 km (0.102 R)
• M43: 5,570,875 km (0.105 R)
• M44: 5,709,104 km (0.112 R)
• M45: 5,773,281 km (0.072 R)
• M46: 5,837,608 km (0.079 R)
• M47: 6,021,464 km (0.11 R)
• M48: 6,185,274 km (0.07 R)
• M49: 6,506,311 km (0.062 R)
• M50: 6,595,770 km (0.067 R)
• M51: 6,719,488 km (0.109 R)
• M52: 6,809,994 km (0.054 R)
• M53: 7,060,870 km (0.089 R)
• M54: 7,199,098 km (0.117 R)
• M55: 7,513,254 km (0.082 R)
• M56: 7,595,383 km (0.099 R)
• M57: 7,701,598 km (0.111 R)
• M58: 7,772,507 km (0.119 R)
• M59: 7,867,651 km (0.115 R)
• M60: 8,082,923 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.4

Radius: 12.6

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.96 AU - 1.18 AU

Year: 704 Days

Day: 11.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 15,068,870 km

• M1: 166,353 km (0.111 R)
• M2: 246,088 km (0.078 R)
• M3: 344,524 km (0.068 R)
• M4: 434,881 km (0.04 R)
• M5: 540,198 km (0.115 R)
• M6: 629,657 km (0.07 R)
• M7: 725,250 km (0.096 R)
• M8: 886,667 km (0.102 R)
• M9: 980,165 km (0.039 R)
• M10: 1,116,299 km (0.116 R)
• M11: 1,218,475 km (0.046 R)
• M12: 1,359,845 km (0.108 R)
• M13: 1,457,382 km (0.119 R)
• M14: 1,589,178 km (0.06 R)
• M15: 1,698,983 km (0.082 R)
• M16: 1,946,867 km (0.098 R)
• M17: 2,078,962 km (0.086 R)
• M18: 2,271,943 km (0.104 R)
• M19: 2,637,560 km (0.04 R)
• M20: 2,800,023 km (0.099 R)
• M21: 2,934,063 km (0.097 R)
• M22: 3,118,966 km (0.107 R)
• M23: 3,216,953 km (0.086 R)
• M24: 3,424,594 km (0.054 R)
• M25: 3,517,345 km (0.096 R)
• M26: 3,696,713 km (0.072 R)
• M27: 3,835,540 km (0.07 R)
• M28: 4,172,285 km (0.078 R)
• M29: 4,289,719 km (0.101 R)
• M30: 4,435,876 km (0.092 R)
• M31: 4,565,129 km (0.104 R)
• M32: 4,798,950 km (0.025 R)
• M33: 4,922,069 km (0.069 R)
• M34: 5,075,257 km (0.103 R)
• M35: 5,229,942 km (0.078 R)
• M36: 5,464,960 km (0.116 R)
• M37: 5,884,731 km (0.079 R)
• M38: 5,996,331 km (0.119 R)
• M39: 6,149,819 km (0.069 R)
• M40: 6,418,945 km (0.081 R)
• M41: 6,691,962 km (0.112 R)
• M42: 6,829,891 km (0.101 R)
• M43: 6,958,096 km (0.089 R)
• M44: 7,216,900 km (0.088 R)
• M45: 7,325,658 km (0.086 R)

Planet 8 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.6

Radius: 13.9

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.75 AU - 2.19 AU

Year: 1758 Days

Day: 8.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 15,068,870 km

• M1: 175,329 km (0.107 R)
• M2: 262,095 km (0.111 R)
• M3: 522,695 km (0.1 R)
• M4: 672,442 km (0.044 R)
• M5: 839,094 km (0.076 R)
• M6: 928,255 km (0.028 R)
• M7: 1,099,544 km (0.07 R)
• M8: 1,198,578 km (0.101 R)
• M9: 1,367,773 km (0.112 R)
• M10: 1,465,461 km (0.098 R)
• M11: 1,762,712 km (0.116 R)
• M12: 1,957,189 km (0.119 R)
• M13: 2,102,299 km (0.086 R)
• M14: 2,262,668 km (0.074 R)
• M15: 2,559,620 km (0.119 R)
• M16: 3,112,982 km (0.102 R)
• M17: 3,217,701 km (0.112 R)
• M18: 3,689,831 km (0.119 R)
• M19: 3,828,808 km (0.103 R)
• M20: 4,155,230 km (0.104 R)
• M21: 4,343,873 km (0.108 R)
• M22: 4,594,749 km (0.072 R)
• M23: 4,774,865 km (0.085 R)
• M24: 4,957,225 km (0.115 R)
• M25: 5,204,211 km (0.101 R)
• M26: 5,329,125 km (0.101 R)
• M27: 5,855,410 km (0.092 R)
• M28: 5,952,948 km (0.116 R)
• M29: 6,315,274 km (0.107 R)
• M30: 6,532,640 km (0.093 R)
• M31: 6,633,918 km (0.073 R)
• M32: 6,940,743 km (0.107 R)
• M33: 7,061,319 km (0.029 R)
• M34: 7,817,536 km (0.083 R)
• M35: 7,961,000 km (0.106 R)
• M36: 8,105,512 km (0.053 R)
• M37: 8,360,427 km (0.114 R)
• M38: 8,971,833 km (0.106 R)
• M39: 9,084,480 km (0.033 R)
• M40: 9,368,417 km (0.09 R)
• M41: 9,578,452 km (0.068 R)
• M42: 10,042,206 km (0.077 R)
• M43: 10,139,744 km (0.086 R)
• M44: 10,711,956 km (0.107 R)
• M45: 10,851,530 km (0.039 R)
• M46: 12,032,157 km (0.085 R)
• M47: 12,198,210 km (0.064 R)
• M48: 12,344,218 km (0.057 R)
• M49: 12,448,787 km (0.1 R)
• M50: 12,658,822 km (0.103 R)
• M51: 12,997,362 km (0.107 R)
• M52: 13,317,651 km (0.102 R)
• M53: 13,424,913 km (0.057 R)
• M54: 13,813,568 km (0.09 R)
• M55: 14,031,083 km (0.039 R)
• M56: 14,118,449 km (0.041 R)
• M57: 14,381,591 km (0.062 R)
• M58: 14,624,239 km (0.084 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 15,100 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit