🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.55 AU - 0.61 AU

Year: 290 Days

Day: 38.4 Hours

Environment

Temp: -131 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.52 AU - 0.7 AU

Year: 313 Days

Day: 33.2 Hours

Environment

Temp: -128 °C

Axial Tilt: 4.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.4

Radius: 13

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.65 AU - 0.99 AU

Year: 487 Days

Day: 6.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 40,350,704 km

• M1: 163,959 km (0.082 R)
• M2: 266,135 km (0.061 R)
• M3: 357,389 km (0.031 R)
• M4: 486,642 km (0.098 R)
• M5: 599,289 km (0.067 R)
• M6: 680,371 km (0.067 R)
• M7: 773,271 km (0.055 R)
• M8: 973,583 km (0.096 R)
• M9: 1,063,940 km (0.092 R)
• M10: 1,183,319 km (0.098 R)
• M11: 1,267,244 km (0.06 R)
• M12: 1,431,951 km (0.12 R)
• M13: 1,536,370 km (0.104 R)
• M14: 1,688,062 km (0.09 R)
• M15: 1,829,432 km (0.103 R)
• M16: 2,012,091 km (0.093 R)
• M17: 2,119,203 km (0.093 R)
• M18: 2,250,401 km (0.117 R)
• M19: 2,412,714 km (0.061 R)
• M20: 2,602,255 km (0.091 R)
• M21: 2,695,903 km (0.116 R)
• M22: 2,796,732 km (0.069 R)
• M23: 2,905,041 km (0.045 R)
• M24: 3,063,764 km (0.064 R)
• M25: 3,225,629 km (0.119 R)
• M26: 3,396,620 km (0.12 R)
• M27: 3,642,708 km (0.089 R)
• M28: 3,761,190 km (0.052 R)
• M29: 3,901,213 km (0.078 R)
• M30: 4,056,645 km (0.114 R)
• M31: 4,234,817 km (0.086 R)
• M32: 4,345,818 km (0.118 R)
• M33: 4,443,655 km (0.077 R)
• M34: 4,563,483 km (0.073 R)
• M35: 4,871,655 km (0.099 R)
• M36: 5,010,033 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.7

Radius: 14.4

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.19 AU - 1.39 AU

Year: 961 Days

Day: 14.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 40,350,704 km

• M1: 209,886 km (0.039 R)
• M2: 338,989 km (0.086 R)
• M3: 440,715 km (0.092 R)
• M4: 540,348 km (0.109 R)
• M5: 640,728 km (0.073 R)
• M6: 753,973 km (0.096 R)
• M7: 869,762 km (0.03 R)
• M8: 1,027,139 km (0.066 R)
• M9: 1,151,904 km (0.074 R)
• M10: 1,257,071 km (0.115 R)
• M11: 1,391,859 km (0.074 R)
• M12: 1,518,269 km (0.081 R)
• M13: 1,662,780 km (0.073 R)
• M14: 1,936,544 km (0.081 R)
• M15: 2,186,522 km (0.099 R)
• M16: 2,447,272 km (0.114 R)
• M17: 2,676,755 km (0.105 R)
• M18: 2,853,729 km (0.101 R)
• M19: 2,965,179 km (0.112 R)
• M20: 3,453,317 km (0.085 R)
• M21: 3,637,173 km (0.072 R)
• M22: 3,900,316 km (0.118 R)
• M23: 4,024,632 km (0.115 R)
• M24: 4,198,913 km (0.054 R)
• M25: 4,465,197 km (0.04 R)
• M26: 4,676,280 km (0.099 R)
• M27: 4,777,857 km (0.089 R)
• M28: 4,880,331 km (0.064 R)
• M29: 5,192,093 km (0.094 R)
• M30: 5,339,746 km (0.043 R)
• M31: 5,499,667 km (0.079 R)
• M32: 5,617,998 km (0.104 R)
• M33: 5,715,387 km (0.057 R)
• M34: 5,944,870 km (0.117 R)
• M35: 6,088,484 km (0.086 R)
• M36: 6,266,954 km (0.105 R)
• M37: 6,390,522 km (0.069 R)
• M38: 6,560,465 km (0.077 R)
• M39: 7,091,238 km (0.119 R)
• M40: 7,349,893 km (0.119 R)
• M41: 7,695,763 km (0.076 R)
• M42: 7,888,894 km (0.051 R)
• M43: 8,059,286 km (0.111 R)
• M44: 8,169,390 km (0.097 R)
• M45: 8,280,093 km (0.057 R)
• M46: 8,391,244 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.9

Radius: 12.5

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.4 AU - 2.78 AU

Year: 2734 Days

Day: 9.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 40,350,704 km

• M1: 156,031 km (0.049 R)
• M2: 306,376 km (0.119 R)
• M3: 429,346 km (0.085 R)
• M4: 638,185 km (0.088 R)
• M5: 892,351 km (0.117 R)
• M6: 1,190,649 km (0.117 R)
• M7: 1,362,986 km (0.054 R)
• M8: 1,452,446 km (0.117 R)
• M9: 1,720,974 km (0.068 R)
• M10: 1,855,313 km (0.065 R)
• M11: 1,955,394 km (0.098 R)
• M12: 2,057,270 km (0.095 R)
• M13: 2,400,896 km (0.12 R)
• M14: 2,706,225 km (0.093 R)
• M15: 3,098,172 km (0.072 R)
• M16: 3,415,768 km (0.038 R)
• M17: 3,839,729 km (0.116 R)
• M18: 4,148,199 km (0.029 R)
• M19: 4,230,777 km (0.118 R)
• M20: 4,347,314 km (0.103 R)
• M21: 4,549,570 km (0.093 R)
• M22: 5,016,166 km (0.111 R)
• M23: 5,680,381 km (0.087 R)
• M24: 6,069,934 km (0.053 R)
• M25: 6,163,881 km (0.113 R)
• M26: 6,334,423 km (0.095 R)
• M27: 6,855,322 km (0.116 R)
• M28: 6,992,653 km (0.107 R)
• M29: 7,190,422 km (0.071 R)
• M30: 7,510,860 km (0.063 R)
• M31: 7,632,184 km (0.072 R)
• M32: 7,835,936 km (0.078 R)
• M33: 8,186,295 km (0.115 R)
• M34: 9,225,252 km (0.105 R)
• M35: 9,420,627 km (0.112 R)
• M36: 9,529,833 km (0.05 R)
• M37: 9,727,302 km (0.112 R)
• M38: 9,837,556 km (0.106 R)
• M39: 10,081,700 km (0.103 R)
• M40: 10,803,509 km (0.118 R)
• M41: 11,472,062 km (0.063 R)
• M42: 11,893,779 km (0.049 R)
• M43: 12,416,025 km (0.081 R)
• M44: 13,828,977 km (0.095 R)
• M45: 14,604,941 km (0.086 R)
• M46: 15,011,099 km (0.047 R)
• M47: 15,808,306 km (0.12 R)
• M48: 15,886,247 km (0.081 R)
• M49: 16,645,905 km (0.099 R)
• M50: 16,990,279 km (0.055 R)
• M51: 17,551,570 km (0.093 R)
• M52: 17,686,059 km (0.048 R)
• M53: 18,091,768 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.3

Radius: 9.7

Gravity: 1.61 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 4.21 AU - 5.09 AU

Year: 6578 Days

Day: 12.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 40,350,704 km

• M1: 152,889 km (0.119 R)
• M2: 245,341 km (0.107 R)
• M3: 432,936 km (0.105 R)
• M4: 541,694 km (0.056 R)
• M5: 670,348 km (0.105 R)
• M6: 809,773 km (0.087 R)
• M7: 904,918 km (0.04 R)
• M8: 1,015,321 km (0.091 R)
• M9: 1,142,180 km (0.117 R)
• M10: 1,262,307 km (0.067 R)
• M11: 1,361,490 km (0.116 R)
• M12: 1,502,411 km (0.115 R)
• M13: 1,757,326 km (0.078 R)
• M14: 1,826,740 km (0.096 R)
• M15: 1,911,412 km (0.094 R)
• M16: 2,384,889 km (0.098 R)
• M17: 3,195,261 km (0.111 R)
• M18: 3,332,442 km (0.087 R)
• M19: 3,489,071 km (0.104 R)
• M20: 3,900,615 km (0.092 R)
• M21: 4,214,770 km (0.096 R)
• M22: 4,327,567 km (0.1 R)
• M23: 4,594,749 km (0.04 R)
• M24: 4,808,674 km (0.052 R)
• M25: 5,105,476 km (0.109 R)
• M26: 5,469,597 km (0.095 R)
• M27: 5,717,182 km (0.064 R)
• M28: 5,800,508 km (0.052 R)
• M29: 6,095,365 km (0.085 R)
• M30: 6,180,486 km (0.12 R)
• M31: 6,308,991 km (0.1 R)
• M32: 6,373,468 km (0.1 R)
• M33: 6,525,010 km (0.115 R)
• M34: 6,699,741 km (0.111 R)
• M35: 6,964,529 km (0.119 R)
• M36: 7,756,799 km (0.066 R)
• M37: 8,128,550 km (0.092 R)
• M38: 8,198,861 km (0.12 R)
• M39: 10,249,698 km (0.119 R)
• M40: 10,863,498 km (0.045 R)
• M41: 11,174,961 km (0.044 R)
• M42: 11,305,560 km (0.056 R)
• M43: 11,621,062 km (0.112 R)
• M44: 11,700,349 km (0.097 R)
• M45: 11,912,927 km (0.107 R)
• M46: 12,233,964 km (0.115 R)
• M47: 13,574,660 km (0.091 R)
• M48: 13,966,158 km (0.104 R)
• M49: 14,078,805 km (0.052 R)
• M50: 15,250,007 km (0.082 R)
• M51: 16,126,650 km (0.056 R)
• M52: 16,481,796 km (0.116 R)
• M53: 16,630,646 km (0.076 R)
• M54: 17,109,658 km (0.119 R)
• M55: 17,471,984 km (0.074 R)
• M56: 17,654,194 km (0.118 R)
• M57: 17,775,967 km (0.107 R)
• M58: 17,836,853 km (0.045 R)
• M59: 18,050,928 km (0.06 R)
• M60: 18,884,338 km (0.077 R)
• M61: 19,133,717 km (0.116 R)
• M62: 19,384,144 km (0.113 R)
• M63: 20,173,722 km (0.057 R)
• M64: 20,716,762 km (0.051 R)
• M65: 21,882,279 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350.6

Radius: 4.3

Gravity: 18.96 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 5.93 AU - 7.01 AU

Year: 10796 Days

Day: 23.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 40,350,704 km

• M1: 87,814 km (0.102 R)
• M2: 295,007 km (0.094 R)
• M3: 363,822 km (0.104 R)
• M4: 559,197 km (0.08 R)
• M5: 660,624 km (0.107 R)
• M6: 931,247 km (0.1 R)
• M7: 1,214,884 km (0.054 R)
• M8: 1,308,682 km (0.083 R)
• M9: 1,483,712 km (0.104 R)
• M10: 1,770,640 km (0.11 R)
• M11: 1,942,229 km (0.116 R)
• M12: 1,986,061 km (0.079 R)
• M13: 2,052,333 km (0.056 R)
• M14: 2,164,382 km (0.095 R)
• M15: 2,608,388 km (0.058 R)
• M16: 3,003,476 km (0.094 R)
• M17: 3,054,190 km (0.057 R)
• M18: 3,182,246 km (0.116 R)
• M19: 3,443,743 km (0.117 R)
• M20: 3,496,850 km (0.108 R)
• M21: 3,766,426 km (0.105 R)
• M22: 3,821,178 km (0.031 R)
• M23: 4,183,355 km (0.068 R)
• M24: 4,585,624 km (0.113 R)
• M25: 4,614,945 km (0.092 R)
• M26: 4,673,437 km (0.083 R)
• M27: 5,395,846 km (0.072 R)
• M28: 5,550,679 km (0.109 R)
• M29: 5,675,594 km (0.078 R)
• M30: 6,120,198 km (0.106 R)
• M31: 6,510,200 km (0.101 R)
• M32: 6,575,874 km (0.115 R)
• M33: 6,908,130 km (0.084 R)
• M34: 6,975,150 km (0.1 R)
• M35: 7,143,897 km (0.115 R)
• M36: 7,831,897 km (0.099 R)
• M37: 8,254,960 km (0.11 R)
• M38: 8,685,204 km (0.101 R)
• M39: 9,049,474 km (0.077 R)
• M40: 9,307,381 km (0.086 R)
• M41: 9,493,032 km (0.095 R)
• M42: 9,642,480 km (0.113 R)
• M43: 10,171,608 km (0.071 R)
• M44: 10,247,903 km (0.054 R)
• M45: 10,401,241 km (0.109 R)
• M46: 11,694,664 km (0.117 R)
• M47: 11,975,459 km (0.1 R)
• M48: 12,543,781 km (0.073 R)
• M49: 12,913,737 km (0.12 R)
• M50: 13,162,369 km (0.089 R)
• M51: 13,203,957 km (0.1 R)
• M52: 13,917,688 km (0.115 R)
• M53: 14,130,117 km (0.107 R)
• M54: 14,386,229 km (0.105 R)
• M55: 15,734,255 km (0.114 R)
• M56: 17,167,403 km (0.058 R)
• M57: 17,991,687 km (0.12 R)
• M58: 18,037,763 km (0.063 R)
• M59: 18,130,215 km (0.061 R)
• M60: 18,362,091 km (0.03 R)
• M61: 19,964,584 km (0.112 R)
• M62: 20,782,435 km (0.105 R)
• M63: 21,073,702 km (0.047 R)
• M64: 21,955,582 km (0.119 R)
• M65: 22,699,682 km (0.032 R)
• M66: 23,300,916 km (0.118 R)
• M67: 23,552,988 km (0.059 R)
• M68: 23,755,244 km (0.114 R)
• M69: 23,907,385 km (0.113 R)
• M70: 24,416,616 km (0.12 R)
• M71: 25,705,552 km (0.105 R)
• M72: 25,757,612 km (0.07 R)
• M73: 25,913,792 km (0.108 R)
• M74: 28,134,273 km (0.116 R)
• M75: 28,241,535 km (0.091 R)
• M76: 28,833,793 km (0.103 R)
• M77: 28,941,952 km (0.038 R)
• M78: 29,212,874 km (0.119 R)
• M79: 30,085,329 km (0.078 R)
• M80: 31,299,016 km (0.091 R)
• M81: 31,911,919 km (0.078 R)
• M82: 32,023,818 km (0.106 R)
• M83: 33,945,103 km (0.107 R)
• M84: 34,059,246 km (0.109 R)
• M85: 34,804,543 km (0.081 R)
• M86: 35,613,120 km (0.098 R)
• M87: 35,903,339 km (0.093 R)
• M88: 36,019,727 km (0.031 R)
• M89: 36,954,863 km (0.11 R)
• M90: 37,602,472 km (0.086 R)
• M91: 37,661,414 km (0.111 R)
• M92: 38,075,650 km (0.114 R)
• M93: 39,207,657 km (0.074 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 304 - 14,360 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit