🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.53 AU - 0.67 AU

Year: 300 Days

Day: 35.2 Hours

Environment

Temp: -124 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.9

Radius: 11.1

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.59 AU - 0.91 AU

Year: 419 Days

Day: 8.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,849,033 km

• M1: 143,165 km (0.119 R)
• M2: 300,393 km (0.059 R)
• M3: 405,709 km (0.051 R)
• M4: 489,783 km (0.036 R)
• M5: 568,173 km (0.053 R)
• M6: 654,491 km (0.12 R)
• M7: 734,077 km (0.071 R)
• M8: 814,411 km (0.059 R)
• M9: 914,043 km (0.116 R)
• M10: 994,826 km (0.052 R)
• M11: 1,095,356 km (0.032 R)
• M12: 1,245,701 km (0.056 R)
• M13: 1,317,957 km (0.08 R)
• M14: 1,399,338 km (0.086 R)
• M15: 1,478,775 km (0.096 R)
• M16: 1,563,597 km (0.089 R)
• M17: 1,646,175 km (0.073 R)
• M18: 1,742,366 km (0.107 R)
• M19: 1,844,691 km (0.099 R)
• M20: 1,949,111 km (0.037 R)
• M21: 2,155,406 km (0.112 R)
• M22: 2,305,752 km (0.068 R)
• M23: 2,446,075 km (0.064 R)
• M24: 2,524,314 km (0.119 R)
• M25: 2,645,489 km (0.087 R)
• M26: 2,797,480 km (0.092 R)
• M27: 2,996,445 km (0.05 R)
• M28: 3,280,981 km (0.096 R)
• M29: 3,491,016 km (0.086 R)
• M30: 3,563,870 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.3

Radius: 14.9

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.83 AU - 0.99 AU

Year: 561 Days

Day: 7.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 49,849,033 km

• M1: 190,737 km (0.092 R)
• M2: 299,645 km (0.077 R)
• M3: 412,142 km (0.09 R)
• M4: 529,876 km (0.079 R)
• M5: 662,719 km (0.077 R)
• M6: 862,731 km (0.114 R)
• M7: 1,002,007 km (0.104 R)
• M8: 1,294,620 km (0.111 R)
• M9: 1,474,137 km (0.064 R)
• M10: 1,627,326 km (0.05 R)
• M11: 1,786,348 km (0.044 R)
• M12: 1,956,890 km (0.051 R)
• M13: 2,101,252 km (0.105 R)
• M14: 2,216,891 km (0.081 R)
• M15: 2,374,417 km (0.069 R)
• M16: 2,563,210 km (0.092 R)
• M17: 2,659,551 km (0.113 R)
• M18: 3,006,468 km (0.075 R)
• M19: 3,115,675 km (0.038 R)
• M20: 3,405,895 km (0.115 R)
• M21: 3,619,969 km (0.074 R)
• M22: 3,744,285 km (0.11 R)
• M23: 3,854,240 km (0.091 R)
• M24: 3,997,255 km (0.075 R)
• M25: 4,280,593 km (0.096 R)
• M26: 4,437,073 km (0.068 R)
• M27: 4,545,382 km (0.115 R)
• M28: 4,849,963 km (0.038 R)
• M29: 4,952,886 km (0.112 R)
• M30: 5,169,953 km (0.068 R)
• M31: 5,319,401 km (0.114 R)
• M32: 5,550,679 km (0.067 R)
• M33: 5,703,718 km (0.093 R)
• M34: 5,913,155 km (0.072 R)
• M35: 6,041,809 km (0.102 R)
• M36: 6,180,786 km (0.118 R)
• M37: 6,339,659 km (0.087 R)
• M38: 6,480,879 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.2

Radius: 13.3

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.79 AU - 5.87 AU

Year: 7945 Days

Day: 9.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 49,849,033 km

• M1: 170,392 km (0.105 R)
• M2: 257,009 km (0.111 R)
• M3: 388,356 km (0.109 R)
• M4: 618,886 km (0.071 R)
• M5: 746,942 km (0.111 R)
• M6: 978,071 km (0.119 R)
• M7: 1,074,711 km (0.097 R)
• M8: 1,233,734 km (0.115 R)
• M9: 1,324,091 km (0.083 R)
• M10: 1,463,965 km (0.082 R)
• M11: 2,426,029 km (0.088 R)
• M12: 2,658,354 km (0.107 R)
• M13: 2,757,388 km (0.1 R)
• M14: 2,939,000 km (0.044 R)
• M15: 3,124,501 km (0.094 R)
• M16: 3,208,276 km (0.042 R)
• M17: 3,726,782 km (0.074 R)
• M18: 3,950,730 km (0.117 R)
• M19: 4,087,163 km (0.057 R)
• M20: 4,411,940 km (0.115 R)
• M21: 4,769,479 km (0.119 R)
• M22: 4,915,038 km (0.085 R)
• M23: 5,013,025 km (0.033 R)
• M24: 5,285,742 km (0.117 R)
• M25: 5,512,532 km (0.097 R)
• M26: 5,665,571 km (0.064 R)
• M27: 6,185,872 km (0.062 R)
• M28: 6,478,635 km (0.089 R)
• M29: 6,613,273 km (0.101 R)
• M30: 7,666,592 km (0.065 R)
• M31: 7,866,305 km (0.113 R)
• M32: 8,096,835 km (0.062 R)
• M33: 9,343,135 km (0.107 R)
• M34: 9,957,533 km (0.117 R)
• M35: 10,175,797 km (0.101 R)
• M36: 10,521,817 km (0.101 R)
• M37: 11,128,735 km (0.06 R)
• M38: 11,648,737 km (0.088 R)
• M39: 11,779,935 km (0.119 R)
• M40: 12,678,719 km (0.11 R)
• M41: 13,017,109 km (0.076 R)
• M42: 13,668,458 km (0.116 R)
• M43: 13,772,279 km (0.05 R)
• M44: 13,945,962 km (0.106 R)
• M45: 14,050,531 km (0.07 R)
• M46: 14,824,999 km (0.077 R)
• M47: 15,110,133 km (0.081 R)
• M48: 15,397,062 km (0.109 R)
• M49: 16,489,126 km (0.103 R)
• M50: 16,970,233 km (0.093 R)
• M51: 17,343,330 km (0.065 R)
• M52: 18,059,754 km (0.083 R)
• M53: 18,632,265 km (0.096 R)
• M54: 19,327,147 km (0.062 R)
• M55: 19,795,089 km (0.111 R)
• M56: 20,069,901 km (0.049 R)
• M57: 20,306,415 km (0.075 R)
• M58: 21,301,690 km (0.092 R)
• M59: 21,987,596 km (0.042 R)
• M60: 22,190,750 km (0.108 R)
• M61: 22,394,502 km (0.087 R)
• M62: 22,517,023 km (0.069 R)
• M63: 22,927,070 km (0.045 R)
• M64: 23,050,638 km (0.113 R)
• M65: 23,256,934 km (0.095 R)
• M66: 24,256,098 km (0.06 R)
• M67: 25,226,689 km (0.12 R)
• M68: 26,771,287 km (0.098 R)
• M69: 27,642,545 km (0.05 R)
• M70: 28,081,764 km (0.072 R)
• M71: 29,056,095 km (0.036 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355.6

Radius: 7.4

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.87 AU - 9.21 AU

Year: 14720 Days

Day: 22.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 49,849,033 km

• M1: 254,466 km (0.095 R)
• M2: 417,827 km (0.068 R)
• M3: 490,083 km (0.099 R)
• M4: 566,976 km (0.099 R)
• M5: 699,071 km (0.079 R)
• M6: 916,586 km (0.111 R)
• M7: 1,217,876 km (0.066 R)
• M8: 1,571,974 km (0.103 R)
• M9: 2,397,455 km (0.106 R)
• M10: 2,560,068 km (0.112 R)
• M11: 3,987,232 km (0.114 R)
• M12: 4,083,423 km (0.119 R)
• M13: 4,575,900 km (0.096 R)
• M14: 5,121,782 km (0.087 R)
• M15: 5,367,123 km (0.07 R)
• M16: 5,473,337 km (0.092 R)
• M17: 5,544,695 km (0.097 R)
• M18: 5,616,203 km (0.081 R)
• M19: 5,688,160 km (0.084 R)
• M20: 6,237,184 km (0.081 R)
• M21: 6,726,668 km (0.096 R)
• M22: 7,424,692 km (0.094 R)
• M23: 7,702,346 km (0.098 R)
• M24: 8,597,090 km (0.034 R)
• M25: 9,696,485 km (0.057 R)
• M26: 10,043,702 km (0.085 R)
• M27: 10,439,089 km (0.075 R)
• M28: 10,616,362 km (0.073 R)
• M29: 11,109,287 km (0.082 R)
• M30: 12,257,302 km (0.085 R)
• M31: 14,416,747 km (0.075 R)
• M32: 15,162,193 km (0.116 R)
• M33: 15,666,188 km (0.115 R)
• M34: 16,022,231 km (0.083 R)
• M35: 16,073,394 km (0.113 R)
• M36: 16,175,719 km (0.086 R)
• M37: 16,898,127 km (0.075 R)
• M38: 17,683,815 km (0.113 R)
• M39: 18,214,139 km (0.07 R)
• M40: 18,267,546 km (0.038 R)
• M41: 18,427,765 km (0.06 R)
• M42: 18,911,415 km (0.082 R)
• M43: 19,781,626 km (0.038 R)
• M44: 20,831,803 km (0.073 R)
• M45: 21,055,302 km (0.096 R)
• M46: 21,111,252 km (0.07 R)
• M47: 22,070,473 km (0.095 R)
• M48: 22,469,451 km (0.104 R)
• M49: 22,526,747 km (0.088 R)
• M50: 23,216,991 km (0.106 R)
• M51: 23,681,044 km (0.045 R)
• M52: 24,441,599 km (0.114 R)
• M53: 24,500,391 km (0.076 R)
• M54: 24,795,398 km (0.074 R)
• M55: 26,589,376 km (0.111 R)
• M56: 28,548,659 km (0.082 R)
• M57: 30,111,359 km (0.119 R)
• M58: 31,317,566 km (0.109 R)
• M59: 32,152,023 km (0.044 R)
• M60: 32,733,809 km (0.112 R)
• M61: 32,798,735 km (0.076 R)
• M62: 33,384,560 km (0.099 R)
• M63: 34,105,173 km (0.039 R)
• M64: 35,029,837 km (0.032 R)
• M65: 36,903,551 km (0.071 R)
• M66: 37,241,642 km (0.116 R)
• M67: 37,377,178 km (0.109 R)
• M68: 37,580,631 km (0.087 R)
• M69: 40,051,988 km (0.06 R)
• M70: 40,260,228 km (0.061 R)
• M71: 40,538,629 km (0.096 R)
• M72: 40,747,767 km (0.114 R)
• M73: 41,027,216 km (0.072 R)
• M74: 41,587,909 km (0.098 R)
• M75: 42,151,145 km (0.088 R)
• M76: 44,214,249 km (0.072 R)
• M77: 44,861,110 km (0.083 R)
• M78: 45,294,047 km (0.114 R)
• M79: 46,164,257 km (0.079 R)
• M80: 46,237,111 km (0.046 R)
• M81: 46,674,386 km (0.077 R)
• M82: 46,966,850 km (0.113 R)
• M83: 47,333,065 km (0.117 R)
• M84: 47,553,423 km (0.063 R)
• M85: 47,994,886 km (0.106 R)
• M86: 48,142,390 km (0.052 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 17,141 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit