🌌 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: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.55 AU - 0.59 AU

Year: 282 Days

Day: 22.1 Hours

Environment

Temp: -133 °C

Axial Tilt: 42.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,105,597 km

• M1: 239,207 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.4

Radius: 13.1

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.62 AU - 0.8 AU

Year: 392 Days

Day: 8.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,105,597 km

• M1: 179,817 km (0.055 R)
• M2: 270,623 km (0.088 R)
• M3: 352,901 km (0.111 R)
• M4: 480,508 km (0.094 R)
• M5: 580,440 km (0.111 R)
• M6: 664,813 km (0.103 R)
• M7: 782,247 km (0.08 R)
• M8: 885,171 km (0.076 R)
• M9: 967,749 km (0.117 R)
• M10: 1,066,483 km (0.084 R)
• M11: 1,152,502 km (0.087 R)
• M12: 1,238,222 km (0.092 R)
• M13: 1,410,858 km (0.11 R)
• M14: 1,506,451 km (0.085 R)
• M15: 1,657,096 km (0.114 R)
• M16: 1,790,537 km (0.033 R)
• M17: 1,881,492 km (0.076 R)
• M18: 2,034,681 km (0.03 R)
• M19: 2,140,147 km (0.114 R)
• M20: 2,307,398 km (0.115 R)
• M21: 2,410,620 km (0.08 R)
• M22: 2,508,158 km (0.102 R)
• M23: 2,610,782 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.7

Radius: 14

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 2.75 AU - 3.41 AU

Year: 3546 Days

Day: 10.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 39,105,597 km

• M1: 178,470 km (0.101 R)
• M2: 466,147 km (0.063 R)
• M3: 647,460 km (0.091 R)
• M4: 1,192,594 km (0.08 R)
• M5: 1,300,604 km (0.076 R)
• M6: 1,660,985 km (0.082 R)
• M7: 1,829,732 km (0.11 R)
• M8: 1,972,298 km (0.04 R)
• M9: 2,135,210 km (0.053 R)
• M10: 2,302,760 km (0.1 R)
• M11: 2,422,738 km (0.111 R)
• M12: 2,687,227 km (0.064 R)
• M13: 3,168,034 km (0.114 R)
• M14: 3,282,925 km (0.114 R)
• M15: 3,596,333 km (0.102 R)
• M16: 3,776,897 km (0.098 R)
• M17: 4,189,189 km (0.118 R)
• M18: 4,486,590 km (0.042 R)
• M19: 5,034,866 km (0.065 R)
• M20: 5,328,527 km (0.059 R)
• M21: 5,956,389 km (0.077 R)
• M22: 7,004,771 km (0.085 R)
• M23: 7,744,083 km (0.071 R)
• M24: 7,847,904 km (0.106 R)
• M25: 8,454,673 km (0.051 R)
• M26: 8,642,269 km (0.085 R)
• M27: 9,158,830 km (0.108 R)
• M28: 9,685,265 km (0.114 R)
• M29: 10,193,300 km (0.118 R)
• M30: 11,117,665 km (0.098 R)
• M31: 11,709,175 km (0.08 R)
• M32: 11,888,692 km (0.12 R)
• M33: 12,189,833 km (0.115 R)
• M34: 12,676,924 km (0.112 R)
• M35: 12,922,862 km (0.116 R)
• M36: 13,701,669 km (0.04 R)
• M37: 14,463,721 km (0.113 R)
• M38: 14,849,833 km (0.086 R)
• M39: 15,599,617 km (0.096 R)
• M40: 16,095,235 km (0.063 R)
• M41: 16,228,227 km (0.092 R)
• M42: 16,663,108 km (0.116 R)
• M43: 16,797,747 km (0.047 R)
• M44: 17,135,838 km (0.079 R)
• M45: 17,647,313 km (0.072 R)
• M46: 17,853,309 km (0.097 R)
• M47: 17,956,532 km (0.029 R)
• M48: 18,336,959 km (0.104 R)
• M49: 18,754,935 km (0.034 R)
• M50: 18,895,109 km (0.105 R)
• M51: 19,035,431 km (0.071 R)
• M52: 19,211,508 km (0.096 R)
• M53: 19,742,730 km (0.092 R)
• M54: 19,992,259 km (0.114 R)
• M55: 20,566,715 km (0.093 R)
• M56: 21,401,920 km (0.116 R)
• M57: 21,658,331 km (0.053 R)
• M58: 22,211,245 km (0.084 R)
• M59: 22,545,297 km (0.069 R)
• M60: 23,708,420 km (0.077 R)
• M61: 23,859,963 km (0.071 R)
• M62: 24,316,386 km (0.036 R)
• M63: 24,545,719 km (0.071 R)
• M64: 25,392,743 km (0.118 R)
• M65: 25,508,980 km (0.074 R)
• M66: 25,625,367 km (0.026 R)
• M67: 26,014,771 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.4

Radius: 14.7

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.33 AU - 5.01 AU

Year: 6620 Days

Day: 9 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 39,105,597 km

• M1: 189,391 km (0.092 R)
• M2: 299,196 km (0.1 R)
• M3: 433,235 km (0.096 R)
• M4: 568,322 km (0.078 R)
• M5: 721,511 km (0.107 R)
• M6: 821,292 km (0.099 R)
• M7: 914,641 km (0.09 R)
• M8: 1,314,217 km (0.101 R)
• M9: 1,412,054 km (0.1 R)
• M10: 1,512,734 km (0.091 R)
• M11: 1,630,916 km (0.118 R)
• M12: 1,861,297 km (0.114 R)
• M13: 2,475,994 km (0.064 R)
• M14: 2,635,017 km (0.025 R)
• M15: 3,382,857 km (0.119 R)
• M16: 3,480,843 km (0.092 R)
• M17: 3,780,937 km (0.074 R)
• M18: 4,321,134 km (0.116 R)
• M19: 4,427,798 km (0.06 R)
• M20: 4,753,472 km (0.045 R)
• M21: 5,019,607 km (0.057 R)
• M22: 5,451,346 km (0.028 R)
• M23: 6,326,344 km (0.102 R)
• M24: 7,118,465 km (0.114 R)
• M25: 7,629,641 km (0.087 R)
• M26: 8,126,306 km (0.109 R)
• M27: 8,285,328 km (0.104 R)
• M28: 8,391,992 km (0.088 R)
• M29: 8,525,882 km (0.079 R)
• M30: 8,660,520 km (0.082 R)
• M31: 8,822,983 km (0.066 R)
• M32: 9,013,870 km (0.085 R)
• M33: 9,372,007 km (0.05 R)
• M34: 10,245,061 km (0.084 R)
• M35: 10,851,381 km (0.074 R)
• M36: 11,173,615 km (0.102 R)
• M37: 11,647,989 km (0.054 R)
• M38: 12,068,509 km (0.083 R)
• M39: 12,800,940 km (0.118 R)
• M40: 12,893,541 km (0.051 R)
• M41: 13,516,616 km (0.045 R)
• M42: 14,889,326 km (0.092 R)
• M43: 15,084,402 km (0.103 R)
• M44: 15,608,743 km (0.112 R)
• M45: 15,740,688 km (0.118 R)
• M46: 16,675,375 km (0.08 R)
• M47: 16,911,890 km (0.077 R)
• M48: 17,525,091 km (0.112 R)
• M49: 17,731,237 km (0.031 R)
• M50: 17,834,460 km (0.07 R)
• M51: 18,215,037 km (0.119 R)
• M52: 18,389,019 km (0.084 R)
• M53: 18,843,647 km (0.094 R)
• M54: 19,125,340 km (0.086 R)
• M55: 19,835,630 km (0.064 R)
• M56: 20,158,163 km (0.092 R)
• M57: 20,482,342 km (0.091 R)
• M58: 21,907,262 km (0.092 R)
• M59: 22,799,912 km (0.098 R)
• M60: 22,987,358 km (0.094 R)
• M61: 24,008,663 km (0.083 R)
• M62: 24,161,253 km (0.043 R)
• M63: 24,697,860 km (0.083 R)
• M64: 24,813,350 km (0.065 R)
• M65: 25,199,612 km (0.104 R)
• M66: 25,548,923 km (0.107 R)
• M67: 25,704,654 km (0.119 R)
• M68: 26,252,332 km (0.116 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.1

Radius: 5.3

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 10.26 AU - 10.34 AU

Year: 21685 Days

Day: 19.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 39,105,597 km

• M1: 84,074 km (0.105 R)
• M2: 239,057 km (0.054 R)
• M3: 438,621 km (0.115 R)
• M4: 528,828 km (0.074 R)
• M5: 773,571 km (0.11 R)
• M6: 916,287 km (0.093 R)
• M7: 1,085,033 km (0.047 R)
• M8: 1,191,098 km (0.103 R)
• M9: 1,432,250 km (0.059 R)
• M10: 1,548,787 km (0.104 R)
• M11: 1,608,327 km (0.052 R)
• M12: 1,811,929 km (0.096 R)
• M13: 1,895,854 km (0.095 R)
• M14: 2,089,134 km (0.033 R)
• M15: 2,311,287 km (0.098 R)
• M16: 2,658,803 km (0.089 R)
• M17: 2,850,737 km (0.097 R)
• M18: 2,923,890 km (0.081 R)
• M19: 3,903,607 km (0.065 R)
• M20: 4,800,147 km (0.115 R)
• M21: 5,331,369 km (0.072 R)
• M22: 5,665,122 km (0.087 R)
• M23: 5,788,241 km (0.085 R)
• M24: 6,545,056 km (0.069 R)
• M25: 6,836,772 km (0.106 R)
• M26: 7,033,643 km (0.109 R)
• M27: 7,771,460 km (0.098 R)
• M28: 8,184,200 km (0.06 R)
• M29: 8,358,332 km (0.113 R)
• M30: 8,639,427 km (0.087 R)
• M31: 9,102,731 km (0.075 R)
• M32: 9,355,701 km (0.073 R)
• M33: 9,464,758 km (0.117 R)
• M34: 10,128,075 km (0.067 R)
• M35: 10,692,209 km (0.1 R)
• M36: 10,768,204 km (0.093 R)
• M37: 12,685,301 km (0.049 R)
• M38: 13,129,906 km (0.066 R)
• M39: 13,333,808 km (0.068 R)
• M40: 13,374,648 km (0.073 R)
• M41: 14,034,524 km (0.104 R)
• M42: 14,159,438 km (0.081 R)
• M43: 15,428,627 km (0.07 R)
• M44: 16,294,798 km (0.079 R)
• M45: 16,469,978 km (0.081 R)
• M46: 16,910,543 km (0.113 R)
• M47: 17,087,817 km (0.113 R)
• M48: 17,310,269 km (0.089 R)
• M49: 17,578,647 km (0.091 R)
• M50: 18,619,699 km (0.079 R)
• M51: 18,756,880 km (0.048 R)
• M52: 18,894,510 km (0.081 R)
• M53: 18,940,437 km (0.047 R)
• M54: 19,078,516 km (0.075 R)
• M55: 19,170,818 km (0.063 R)
• M56: 19,634,122 km (0.075 R)
• M57: 19,913,870 km (0.116 R)
• M58: 20,430,132 km (0.026 R)
• M59: 20,808,465 km (0.098 R)
• M60: 21,236,764 km (0.111 R)
• M61: 21,332,357 km (0.086 R)
• M62: 23,077,117 km (0.094 R)
• M63: 23,323,056 km (0.104 R)
• M64: 26,804,498 km (0.09 R)
• M65: 28,789,811 km (0.088 R)
• M66: 29,107,557 km (0.09 R)
• M67: 29,160,664 km (0.074 R)
• M68: 29,746,639 km (0.108 R)
• M69: 30,875,953 km (0.117 R)
• M70: 31,364,390 km (0.063 R)
• M71: 32,019,479 km (0.075 R)
• M72: 32,568,803 km (0.113 R)
• M73: 33,176,619 km (0.074 R)
• M74: 33,398,622 km (0.1 R)
• M75: 33,899,775 km (0.097 R)
• M76: 34,347,522 km (0.108 R)
• M77: 35,588,436 km (0.078 R)
• M78: 36,100,509 km (0.105 R)
• M79: 36,844,160 km (0.103 R)
• M80: 37,246,728 km (0.049 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: 509 - 14,939 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit