🌌 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: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.44 AU - 0.62 AU

Year: 253 Days

Day: 21.6 Hours

Environment

Temp: -113 °C

Axial Tilt: 24.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.53 AU - 0.77 AU

Year: 344 Days

Day: 33.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 3.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.3

Radius: 10.2

Gravity: 6.05 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.68 AU - 0.72 AU

Year: 384 Days

Day: 8.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 31,388,550 km

• M1: 137,331 km (0.066 R)
• M2: 206,744 km (0.077 R)
• M3: 271,371 km (0.114 R)
• M4: 336,745 km (0.06 R)
• M5: 409,898 km (0.11 R)
• M6: 545,583 km (0.049 R)
• M7: 635,941 km (0.048 R)
• M8: 829,371 km (0.089 R)
• M9: 1,046,736 km (0.072 R)
• M10: 1,113,008 km (0.077 R)
• M11: 1,185,414 km (0.038 R)
• M12: 1,388,119 km (0.052 R)
• M13: 1,486,404 km (0.08 R)
• M14: 1,617,751 km (0.097 R)
• M15: 1,758,373 km (0.104 R)
• M16: 1,974,243 km (0.098 R)
• M17: 2,051,884 km (0.104 R)
• M18: 2,153,312 km (0.074 R)
• M19: 2,244,866 km (0.104 R)
• M20: 2,314,578 km (0.065 R)
• M21: 2,390,724 km (0.114 R)
• M22: 2,467,766 km (0.116 R)
• M23: 2,624,545 km (0.031 R)
• M24: 3,024,271 km (0.102 R)
• M25: 3,153,224 km (0.07 R)
• M26: 3,251,211 km (0.056 R)
• M27: 3,330,348 km (0.106 R)
• M28: 3,423,398 km (0.078 R)
• M29: 3,666,943 km (0.114 R)
• M30: 3,902,111 km (0.056 R)
• M31: 4,028,671 km (0.116 R)
• M32: 4,128,004 km (0.101 R)
• M33: 4,249,776 km (0.087 R)
• M34: 4,322,032 km (0.037 R)
• M35: 4,482,251 km (0.066 R)
• M36: 4,644,565 km (0.072 R)
• M37: 4,756,464 km (0.032 R)
• M38: 4,838,893 km (0.091 R)
• M39: 4,906,810 km (0.105 R)
• M40: 5,020,804 km (0.117 R)
• M41: 5,173,992 km (0.118 R)
• M42: 5,258,964 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.3

Radius: 14.3

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.43 AU - 2.89 AU

Year: 2846 Days

Day: 6.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 62.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 31,388,550 km

• M1: 192,682 km (0.114 R)
• M2: 287,078 km (0.112 R)
• M3: 500,704 km (0.079 R)
• M4: 594,652 km (0.118 R)
• M5: 796,459 km (0.086 R)
• M6: 939,026 km (0.035 R)
• M7: 1,100,741 km (0.099 R)
• M8: 1,324,988 km (0.07 R)
• M9: 1,443,021 km (0.083 R)
• M10: 1,564,794 km (0.071 R)
• M11: 1,760,318 km (0.072 R)
• M12: 1,927,718 km (0.04 R)
• M13: 2,075,521 km (0.067 R)
• M14: 2,691,565 km (0.106 R)
• M15: 2,829,943 km (0.091 R)
• M16: 3,056,434 km (0.043 R)
• M17: 3,171,924 km (0.101 R)
• M18: 3,274,249 km (0.041 R)
• M19: 3,880,419 km (0.112 R)
• M20: 4,554,507 km (0.069 R)
• M21: 4,787,581 km (0.058 R)
• M22: 4,990,435 km (0.113 R)
• M23: 5,144,372 km (0.094 R)
• M24: 5,248,043 km (0.054 R)
• M25: 5,387,169 km (0.107 R)
• M26: 5,598,401 km (0.077 R)
• M27: 5,794,374 km (0.104 R)
• M28: 6,010,842 km (0.119 R)
• M29: 6,156,700 km (0.075 R)
• M30: 6,248,404 km (0.098 R)
• M31: 6,377,656 km (0.108 R)
• M32: 7,133,275 km (0.075 R)
• M33: 7,249,064 km (0.111 R)
• M34: 7,385,048 km (0.108 R)
• M35: 7,541,378 km (0.112 R)
• M36: 8,319,586 km (0.099 R)
• M37: 8,708,092 km (0.09 R)
• M38: 9,060,694 km (0.09 R)
• M39: 9,481,663 km (0.044 R)
• M40: 9,866,129 km (0.042 R)
• M41: 9,973,690 km (0.062 R)
• M42: 10,146,924 km (0.118 R)
• M43: 11,341,463 km (0.117 R)
• M44: 11,499,588 km (0.088 R)
• M45: 11,772,455 km (0.115 R)
• M46: 11,932,674 km (0.066 R)
• M47: 12,139,568 km (0.058 R)
• M48: 12,627,107 km (0.074 R)
• M49: 13,358,641 km (0.037 R)
• M50: 13,862,038 km (0.078 R)
• M51: 14,201,027 km (0.074 R)
• M52: 14,396,102 km (0.115 R)
• M53: 14,591,926 km (0.1 R)
• M54: 14,714,895 km (0.105 R)
• M55: 15,085,599 km (0.119 R)
• M56: 15,434,312 km (0.046 R)
• M57: 15,584,657 km (0.117 R)
• M58: 15,810,999 km (0.094 R)
• M59: 16,038,537 km (0.08 R)
• M60: 16,241,691 km (0.047 R)
• M61: 16,599,230 km (0.107 R)
• M62: 17,140,475 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.7

Radius: 9

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.9 AU - 5.42 AU

Year: 6599 Days

Day: 13.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 31,388,550 km

• M1: 117,135 km (0.05 R)
• M2: 175,179 km (0.116 R)
• M3: 290,968 km (0.099 R)
• M4: 548,875 km (0.042 R)
• M5: 691,142 km (0.097 R)
• M6: 754,272 km (0.051 R)
• M7: 873,352 km (0.111 R)
• M8: 1,315,863 km (0.098 R)
• M9: 1,910,814 km (0.063 R)
• M10: 2,057,569 km (0.117 R)
• M11: 2,208,214 km (0.062 R)
• M12: 2,284,808 km (0.036 R)
• M13: 2,460,735 km (0.087 R)
• M14: 2,600,609 km (0.1 R)
• M15: 2,661,496 km (0.079 R)
• M16: 3,036,238 km (0.095 R)
• M17: 3,229,968 km (0.049 R)
• M18: 3,317,333 km (0.057 R)
• M19: 3,974,666 km (0.116 R)
• M20: 4,044,977 km (0.091 R)
• M21: 4,163,159 km (0.082 R)
• M22: 4,378,580 km (0.118 R)
• M23: 4,996,419 km (0.091 R)
• M24: 5,276,915 km (0.078 R)
• M25: 5,747,101 km (0.058 R)
• M26: 5,826,687 km (0.064 R)
• M27: 6,067,989 km (0.091 R)
• M28: 6,477,438 km (0.115 R)
• M29: 7,670,930 km (0.066 R)
• M30: 7,729,572 km (0.052 R)
• M31: 8,383,016 km (0.077 R)
• M32: 8,777,655 km (0.085 R)
• M33: 9,147,162 km (0.027 R)
• M34: 9,365,126 km (0.094 R)
• M35: 9,553,320 km (0.108 R)
• M36: 9,806,290 km (0.058 R)
• M37: 9,997,327 km (0.06 R)
• M38: 10,513,140 km (0.109 R)
• M39: 11,169,875 km (0.088 R)
• M40: 11,806,114 km (0.092 R)
• M41: 12,111,593 km (0.04 R)
• M42: 12,626,659 km (0.067 R)
• M43: 12,834,600 km (0.054 R)
• M44: 13,008,732 km (0.11 R)
• M45: 13,113,749 km (0.029 R)
• M46: 13,430,149 km (0.092 R)
• M47: 13,536,064 km (0.077 R)
• M48: 14,214,042 km (0.119 R)
• M49: 14,394,307 km (0.105 R)
• M50: 15,343,954 km (0.026 R)
• M51: 15,751,758 km (0.047 R)
• M52: 16,238,250 km (0.082 R)
• M53: 16,313,648 km (0.112 R)
• M54: 17,034,710 km (0.057 R)
• M55: 17,341,535 km (0.073 R)
• M56: 17,418,428 km (0.111 R)
• M57: 17,572,663 km (0.098 R)
• M58: 17,999,317 km (0.056 R)
• M59: 18,194,392 km (0.1 R)
• M60: 19,061,013 km (0.078 R)
• M61: 19,820,371 km (0.099 R)
• M62: 19,981,339 km (0.086 R)
• M63: 20,386,001 km (0.108 R)
• M64: 20,508,073 km (0.117 R)
• M65: 21,616,294 km (0.044 R)
• M66: 21,823,637 km (0.099 R)
• M67: 21,989,989 km (0.082 R)
• M68: 22,282,154 km (0.113 R)
• M69: 22,828,186 km (0.031 R)
• M70: 23,293,585 km (0.111 R)
• M71: 25,012,465 km (0.099 R)
• M72: 25,975,277 km (0.073 R)
• M73: 27,711,510 km (0.056 R)
• M74: 28,434,516 km (0.111 R)
• M75: 29,163,806 km (0.096 R)
• M76: 30,640,935 km (0.115 R)
• M77: 31,294,827 km (0.066 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 18,550 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit