🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.26 AU - 1.72 AU

Year: 685 Days

Day: 12.8 Hours

Environment

Temp: -39 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.91

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.43 AU - 2.95 AU

Year: 1662 Days

Day: 30.7 Hours

Environment

Temp: -99 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.01 AU - 4.25 AU

Year: 3162 Days

Day: 22.1 Hours

Environment

Temp: -140 °C

Axial Tilt: 12.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,186,374 km

• M1: 368,160 km (0.06 R)
• M2: 1,955,244 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.1

Radius: 8.9

Gravity: 6.7 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.32 AU - 5.78 AU

Year: 4275 Days

Day: 8.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 64,186,374 km

• M1: 116,986 km (0.109 R)
• M2: 175,777 km (0.097 R)
• M3: 259,852 km (0.12 R)
• M4: 364,121 km (0.108 R)
• M5: 458,218 km (0.032 R)
• M6: 571,464 km (0.045 R)
• M7: 631,901 km (0.088 R)
• M8: 749,186 km (0.119 R)
• M9: 969,245 km (0.106 R)
• M10: 1,303,895 km (0.104 R)
• M11: 1,527,245 km (0.095 R)
• M12: 1,628,971 km (0.082 R)
• M13: 1,688,062 km (0.084 R)
• M14: 2,286,155 km (0.093 R)
• M15: 2,453,854 km (0.066 R)
• M16: 2,625,592 km (0.1 R)
• M17: 2,908,931 km (0.043 R)
• M18: 3,581,822 km (0.087 R)
• M19: 3,640,015 km (0.098 R)
• M20: 3,777,197 km (0.118 R)
• M21: 3,836,437 km (0.1 R)
• M22: 4,076,841 km (0.117 R)
• M23: 4,158,073 km (0.114 R)
• M24: 4,404,909 km (0.059 R)
• M25: 4,635,440 km (0.077 R)
• M26: 5,043,094 km (0.112 R)
• M27: 5,108,618 km (0.101 R)
• M28: 6,357,610 km (0.084 R)
• M29: 7,297,983 km (0.056 R)
• M30: 7,570,999 km (0.12 R)
• M31: 7,771,759 km (0.118 R)
• M32: 8,307,020 km (0.117 R)
• M33: 8,801,591 km (0.108 R)
• M34: 9,172,145 km (0.087 R)
• M35: 9,737,475 km (0.093 R)
• M36: 9,819,305 km (0.085 R)
• M37: 10,732,899 km (0.036 R)
• M38: 10,958,493 km (0.077 R)
• M39: 11,529,508 km (0.12 R)
• M40: 12,051,455 km (0.042 R)
• M41: 12,256,554 km (0.034 R)
• M42: 12,374,287 km (0.083 R)
• M43: 12,492,469 km (0.1 R)
• M44: 12,551,710 km (0.088 R)
• M45: 13,846,929 km (0.061 R)
• M46: 14,401,637 km (0.117 R)
• M47: 14,650,568 km (0.079 R)
• M48: 14,838,164 km (0.062 R)
• M49: 15,089,488 km (0.12 R)
• M50: 15,247,314 km (0.084 R)
• M51: 15,564,611 km (0.061 R)
• M52: 15,820,124 km (0.081 R)
• M53: 15,916,166 km (0.079 R)
• M54: 15,980,493 km (0.03 R)
• M55: 16,692,430 km (0.106 R)
• M56: 16,790,267 km (0.057 R)
• M57: 16,888,403 km (0.117 R)
• M58: 17,150,947 km (0.029 R)
• M59: 18,013,229 km (0.072 R)
• M60: 18,483,565 km (0.106 R)
• M61: 18,551,034 km (0.041 R)
• M62: 18,821,806 km (0.113 R)
• M63: 19,059,966 km (0.038 R)
• M64: 19,196,399 km (0.118 R)
• M65: 19,299,023 km (0.078 R)
• M66: 19,745,573 km (0.115 R)
• M67: 20,719,155 km (0.118 R)
• M68: 21,424,061 km (0.083 R)
• M69: 21,494,970 km (0.116 R)
• M70: 21,601,484 km (0.1 R)
• M71: 21,886,468 km (0.088 R)
• M72: 21,993,729 km (0.11 R)
• M73: 22,065,237 km (0.055 R)
• M74: 22,496,229 km (0.108 R)
• M75: 22,893,710 km (0.087 R)
• M76: 24,063,117 km (0.117 R)
• M77: 24,766,675 km (0.092 R)
• M78: 24,990,324 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.3

Radius: 10.8

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 9.77 AU - 11.21 AU

Year: 12799 Days

Day: 6.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 64,186,374 km

• M1: 287,677 km (0.1 R)
• M2: 395,088 km (0.101 R)
• M3: 704,456 km (0.106 R)
• M4: 833,559 km (0.108 R)
• M5: 921,074 km (0.068 R)
• M6: 1,063,940 km (0.085 R)
• M7: 1,203,515 km (0.074 R)
• M8: 1,349,522 km (0.116 R)
• M9: 1,784,703 km (0.11 R)
• M10: 2,098,709 km (0.114 R)
• M11: 2,262,369 km (0.104 R)
• M12: 2,587,894 km (0.027 R)
• M13: 2,868,240 km (0.117 R)
• M14: 3,065,859 km (0.102 R)
• M15: 3,220,992 km (0.104 R)
• M16: 3,426,539 km (0.117 R)
• M17: 3,539,037 km (0.098 R)
• M18: 3,685,493 km (0.099 R)
• M19: 3,800,833 km (0.063 R)
• M20: 3,967,784 km (0.091 R)
• M21: 4,343,574 km (0.117 R)
• M22: 6,016,826 km (0.073 R)
• M23: 6,211,902 km (0.115 R)
• M24: 6,668,325 km (0.093 R)
• M25: 6,931,169 km (0.083 R)
• M26: 7,053,689 km (0.081 R)
• M27: 7,218,097 km (0.06 R)
• M28: 7,467,028 km (0.103 R)
• M29: 7,613,634 km (0.077 R)
• M30: 8,123,464 km (0.083 R)
• M31: 8,382,567 km (0.097 R)
• M32: 8,688,345 km (0.109 R)
• M33: 8,975,573 km (0.12 R)
• M34: 9,855,957 km (0.084 R)
• M35: 9,924,772 km (0.046 R)
• M36: 10,201,827 km (0.094 R)
• M37: 10,387,927 km (0.047 R)
• M38: 11,263,523 km (0.09 R)
• M39: 12,187,290 km (0.073 R)
• M40: 12,409,742 km (0.115 R)
• M41: 12,908,651 km (0.115 R)
• M42: 13,312,565 km (0.08 R)
• M43: 13,439,574 km (0.118 R)
• M44: 13,771,980 km (0.029 R)
• M45: 14,732,548 km (0.116 R)
• M46: 15,741,586 km (0.058 R)
• M47: 15,983,784 km (0.097 R)
• M48: 16,335,938 km (0.063 R)
• M49: 16,444,696 km (0.093 R)
• M50: 17,407,507 km (0.108 R)
• M51: 18,106,429 km (0.08 R)
• M52: 18,388,570 km (0.096 R)
• M53: 18,672,208 km (0.073 R)
• M54: 18,957,192 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209

Radius: 3.3

Gravity: 19.19 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 15.54 AU - 19.86 AU

Year: 28053 Days

Day: 20.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 64,186,374 km

• M1: 208,988 km (0.113 R)
• M2: 236,215 km (0.057 R)
• M3: 408,253 km (0.116 R)
• M4: 633,098 km (0.108 R)
• M5: 801,695 km (0.112 R)
• M6: 937,081 km (0.077 R)
• M7: 1,007,392 km (0.087 R)
• M8: 1,079,648 km (0.079 R)
• M9: 2,192,357 km (0.11 R)
• M10: 3,329,450 km (0.088 R)
• M11: 3,546,218 km (0.113 R)
• M12: 3,955,368 km (0.076 R)
• M13: 4,576,947 km (0.116 R)
• M14: 4,656,683 km (0.101 R)
• M15: 5,228,146 km (0.104 R)
• M16: 5,437,583 km (0.12 R)
• M17: 5,735,433 km (0.112 R)
• M18: 5,864,685 km (0.12 R)
• M19: 5,951,302 km (0.099 R)
• M20: 6,795,932 km (0.112 R)
• M21: 7,255,347 km (0.109 R)
• M22: 7,301,872 km (0.035 R)
• M23: 7,963,244 km (0.085 R)
• M24: 9,392,652 km (0.063 R)
• M25: 10,006,901 km (0.075 R)
• M26: 10,371,022 km (0.113 R)
• M27: 10,845,846 km (0.116 R)
• M28: 11,005,616 km (0.078 R)
• M29: 12,758,006 km (0.037 R)
• M30: 13,437,180 km (0.065 R)
• M31: 13,838,701 km (0.093 R)
• M32: 14,244,260 km (0.079 R)
• M33: 14,712,502 km (0.039 R)
• M34: 15,724,083 km (0.112 R)
• M35: 15,784,221 km (0.107 R)
• M36: 16,025,821 km (0.111 R)
• M37: 16,512,763 km (0.081 R)
• M38: 16,573,948 km (0.104 R)
• M39: 16,757,953 km (0.099 R)
• M40: 17,750,835 km (0.045 R)
• M41: 17,939,178 km (0.113 R)
• M42: 18,890,471 km (0.086 R)
• M43: 19,923,145 km (0.091 R)
• M44: 19,988,370 km (0.06 R)
• M45: 20,053,595 km (0.119 R)
• M46: 21,573,060 km (0.086 R)
• M47: 22,177,735 km (0.072 R)
• M48: 22,583,893 km (0.108 R)
• M49: 23,334,874 km (0.101 R)
• M50: 24,581,473 km (0.119 R)
• M51: 25,142,316 km (0.106 R)
• M52: 26,850,125 km (0.115 R)
• M53: 28,009,359 km (0.111 R)
• M54: 29,407,052 km (0.087 R)
• M55: 30,076,951 km (0.083 R)
• M56: 31,964,128 km (0.066 R)
• M57: 34,044,735 km (0.112 R)
• M58: 34,200,616 km (0.115 R)
• M59: 34,513,126 km (0.117 R)
• M60: 34,591,366 km (0.071 R)
• M61: 34,747,995 km (0.109 R)
• M62: 34,904,923 km (0.087 R)
• M63: 35,930,716 km (0.072 R)
• M64: 36,168,876 km (0.105 R)
• M65: 39,311,628 km (0.102 R)
• M66: 39,393,458 km (0.119 R)
• M67: 41,788,071 km (0.085 R)
• M68: 42,456,773 km (0.108 R)
• M69: 43,129,216 km (0.104 R)
• M70: 44,484,423 km (0.073 R)
• M71: 44,654,815 km (0.067 R)
• M72: 46,716,423 km (0.108 R)
• M73: 47,063,041 km (0.065 R)
• M74: 47,497,474 km (0.076 R)
• M75: 48,545,556 km (0.042 R)
• M76: 49,954,768 km (0.12 R)
• M77: 50,131,892 km (0.077 R)
• M78: 50,575,599 km (0.089 R)
• M79: 51,109,813 km (0.101 R)
• M80: 51,735,282 km (0.054 R)
• M81: 53,084,206 km (0.117 R)
• M82: 53,174,414 km (0.097 R)
• M83: 53,899,066 km (0.082 R)
• M84: 54,080,677 km (0.07 R)
• M85: 54,626,859 km (0.091 R)
• M86: 55,174,836 km (0.092 R)
• M87: 55,724,608 km (0.109 R)
• M88: 56,092,170 km (0.1 R)
• M89: 56,184,173 km (0.076 R)
• M90: 57,292,245 km (0.055 R)
• M91: 57,941,948 km (0.107 R)
• M92: 59,436,132 km (0.119 R)
• M93: 61,416,359 km (0.063 R)
• M94: 63,801,846 km (0.029 R)
• M95: 64,186,313 km (0.095 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 363 - 16,723 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit