🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.83 AU - 0.95 AU

Year: 301 Days

Day: 20.6 Hours

Environment

Temp: 121 °C

Axial Tilt: 20.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.31

Radius: 1.4

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.81 AU - 1.05 AU

Year: 321 Days

Day: 23 Hours

Environment

Temp: 90 °C

Axial Tilt: 31.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.45 AU - 2.23 AU

Year: 894 Days

Day: 20.6 Hours

Environment

Temp: -46 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.85 AU - 3.81 AU

Year: 2176 Days

Day: 36.1 Hours

Environment

Temp: -111 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.39 AU - 4.51 AU

Year: 2812 Days

Day: 41.4 Hours

Environment

Temp: -113 °C

Axial Tilt: 3.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.9

Radius: 13

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 4.05 AU - 6.61 AU

Year: 4407 Days

Day: 11.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 44,813,692 km

• M1: 165,605 km (0.112 R)
• M2: 254,616 km (0.071 R)
• M3: 473,328 km (0.102 R)
• M4: 597,195 km (0.087 R)
• M5: 703,708 km (0.081 R)
• M6: 828,473 km (0.105 R)
• M7: 984,653 km (0.039 R)
• M8: 1,610,421 km (0.056 R)
• M9: 2,002,367 km (0.066 R)
• M10: 2,093,622 km (0.113 R)
• M11: 2,217,489 km (0.097 R)
• M12: 2,621,104 km (0.089 R)
• M13: 2,755,144 km (0.058 R)
• M14: 2,857,319 km (0.107 R)
• M15: 2,960,841 km (0.107 R)
• M16: 3,171,624 km (0.113 R)
• M17: 3,278,886 km (0.118 R)
• M18: 4,220,006 km (0.057 R)
• M19: 4,578,443 km (0.095 R)
• M20: 4,720,710 km (0.04 R)
• M21: 4,884,969 km (0.105 R)
• M22: 5,071,966 km (0.11 R)
• M23: 5,198,077 km (0.111 R)
• M24: 5,389,263 km (0.083 R)
• M25: 5,822,349 km (0.088 R)
• M26: 5,998,725 km (0.111 R)
• M27: 6,221,775 km (0.096 R)
• M28: 6,311,833 km (0.111 R)
• M29: 6,424,929 km (0.12 R)
• M30: 6,538,773 km (0.082 R)
• M31: 7,070,893 km (0.06 R)
• M32: 7,449,525 km (0.078 R)
• M33: 7,641,310 km (0.093 R)
• M34: 7,737,800 km (0.111 R)
• M35: 7,834,740 km (0.096 R)
• M36: 8,424,754 km (0.119 R)
• M37: 8,574,501 km (0.09 R)
• M38: 8,700,014 km (0.066 R)
• M39: 9,388,314 km (0.079 R)
• M40: 9,543,746 km (0.047 R)
• M41: 9,962,171 km (0.085 R)
• M42: 10,173,702 km (0.056 R)
• M43: 11,308,552 km (0.077 R)
• M44: 11,446,331 km (0.108 R)
• M45: 11,612,385 km (0.074 R)
• M46: 11,751,511 km (0.101 R)
• M47: 12,228,280 km (0.076 R)
• M48: 12,426,497 km (0.039 R)
• M49: 12,912,241 km (0.038 R)
• M50: 13,085,326 km (0.074 R)
• M51: 13,229,987 km (0.092 R)
• M52: 13,667,411 km (0.086 R)
• M53: 13,961,520 km (0.067 R)
• M54: 14,406,873 km (0.031 R)
• M55: 15,617,120 km (0.075 R)
• M56: 16,452,475 km (0.077 R)
• M57: 17,017,356 km (0.093 R)
• M58: 17,397,634 km (0.098 R)
• M59: 17,844,782 km (0.052 R)
• M60: 18,166,417 km (0.113 R)
• M61: 18,263,357 km (0.095 R)
• M62: 18,685,223 km (0.033 R)
• M63: 18,880,897 km (0.102 R)
• M64: 19,637,712 km (0.069 R)
• M65: 20,270,511 km (0.106 R)
• M66: 20,371,041 km (0.072 R)
• M67: 20,707,188 km (0.116 R)
• M68: 20,808,465 km (0.096 R)
• M69: 21,590,114 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 79.2

Radius: 9.4

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 11.3 AU - 12.98 AU

Year: 15150 Days

Day: 6.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 44,813,692 km

• M1: 138,827 km (0.091 R)
• M2: 223,948 km (0.099 R)
• M3: 317,895 km (0.035 R)
• M4: 602,131 km (0.052 R)
• M5: 863,928 km (0.066 R)
• M6: 1,043,894 km (0.079 R)
• M7: 1,116,449 km (0.063 R)
• M8: 1,298,061 km (0.092 R)
• M9: 1,456,784 km (0.113 R)
• M10: 2,248,755 km (0.117 R)
• M11: 2,558,572 km (0.046 R)
• M12: 2,618,262 km (0.103 R)
• M13: 2,902,797 km (0.11 R)
• M14: 3,133,327 km (0.099 R)
• M15: 3,657,219 km (0.102 R)
• M16: 3,998,601 km (0.077 R)
• M17: 4,114,689 km (0.117 R)
• M18: 4,231,974 km (0.07 R)
• M19: 4,785,636 km (0.072 R)
• M20: 4,958,721 km (0.12 R)
• M21: 5,033,520 km (0.044 R)
• M22: 5,108,618 km (0.113 R)
• M23: 5,828,483 km (0.062 R)
• M24: 5,960,428 km (0.074 R)
• M25: 6,066,642 km (0.116 R)
• M26: 7,107,096 km (0.113 R)
• M27: 7,821,575 km (0.091 R)
• M28: 8,350,104 km (0.094 R)
• M29: 8,708,840 km (0.067 R)
• M30: 9,072,812 km (0.025 R)
• M31: 9,256,518 km (0.098 R)
• M32: 10,353,220 km (0.091 R)
• M33: 10,900,748 km (0.107 R)
• M34: 11,391,579 km (0.07 R)
• M35: 12,496,808 km (0.11 R)
• M36: 12,598,983 km (0.112 R)
• M37: 12,769,824 km (0.114 R)
• M38: 14,520,867 km (0.043 R)
• M39: 14,664,182 km (0.054 R)
• M40: 14,736,138 km (0.079 R)
• M41: 15,242,228 km (0.097 R)
• M42: 16,495,110 km (0.071 R)
• M43: 17,399,280 km (0.058 R)
• M44: 18,165,071 km (0.108 R)
• M45: 18,785,603 km (0.092 R)
• M46: 19,531,498 km (0.108 R)
• M47: 19,650,129 km (0.086 R)
• M48: 21,826,778 km (0.098 R)
• M49: 22,279,611 km (0.066 R)
• M50: 22,527,794 km (0.065 R)
• M51: 22,652,259 km (0.087 R)
• M52: 22,860,200 km (0.116 R)
• M53: 22,943,526 km (0.057 R)
• M54: 23,027,002 km (0.086 R)
• M55: 23,110,627 km (0.116 R)
• M56: 23,361,951 km (0.112 R)
• M57: 24,121,161 km (0.115 R)
• M58: 24,888,598 km (0.098 R)
• M59: 25,232,374 km (0.088 R)
• M60: 25,880,880 km (0.097 R)
• M61: 26,228,995 km (0.107 R)
• M62: 26,710,251 km (0.104 R)
• M63: 27,415,455 km (0.081 R)
• M64: 28,260,983 km (0.114 R)
• M65: 28,799,236 km (0.066 R)
• M66: 29,205,244 km (0.108 R)
• M67: 29,476,914 km (0.115 R)
• M68: 30,297,159 km (0.051 R)
• M69: 30,618,047 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59.4

Radius: 4.9

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 16.99 AU - 21.89 AU

Year: 30699 Days

Day: 22.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 44,813,692 km

• M1: 68,217 km (0.104 R)
• M2: 105,616 km (0.093 R)
• M3: 217,067 km (0.085 R)
• M4: 686,056 km (0.065 R)
• M5: 889,808 km (0.093 R)
• M6: 1,229,246 km (0.118 R)
• M7: 1,874,910 km (0.106 R)
• M8: 1,944,623 km (0.046 R)
• M9: 2,015,083 km (0.104 R)
• M10: 2,158,548 km (0.087 R)
• M11: 2,557,525 km (0.084 R)
• M12: 2,634,867 km (0.05 R)
• M13: 2,739,287 km (0.11 R)
• M14: 3,365,354 km (0.113 R)
• M15: 3,593,191 km (0.095 R)
• M16: 4,336,992 km (0.111 R)
• M17: 4,367,659 km (0.067 R)
• M18: 4,553,610 km (0.107 R)
• M19: 4,710,388 km (0.092 R)
• M20: 5,454,787 km (0.098 R)
• M21: 5,521,358 km (0.108 R)
• M22: 6,200,533 km (0.117 R)
• M23: 6,339,509 km (0.092 R)
• M24: 7,341,216 km (0.101 R)
• M25: 7,562,172 km (0.077 R)
• M26: 7,636,223 km (0.102 R)
• M27: 7,860,171 km (0.056 R)
• M28: 8,010,667 km (0.115 R)
• M29: 8,972,431 km (0.08 R)
• M30: 10,420,240 km (0.116 R)
• M31: 11,086,698 km (0.107 R)
• M32: 11,297,781 km (0.115 R)
• M33: 11,809,854 km (0.063 R)
• M34: 12,504,138 km (0.096 R)
• M35: 13,796,215 km (0.1 R)
• M36: 14,114,410 km (0.08 R)
• M37: 14,480,924 km (0.041 R)
• M38: 14,804,355 km (0.058 R)
• M39: 15,036,680 km (0.1 R)
• M40: 15,788,559 km (0.037 R)
• M41: 16,025,971 km (0.099 R)
• M42: 16,360,472 km (0.118 R)
• M43: 16,504,535 km (0.064 R)
• M44: 16,745,537 km (0.062 R)
• M45: 17,036,206 km (0.035 R)
• M46: 17,328,669 km (0.118 R)
• M47: 17,573,561 km (0.105 R)
• M48: 17,622,629 km (0.082 R)
• M49: 18,066,785 km (0.091 R)
• M50: 18,364,934 km (0.115 R)
• M51: 18,414,899 km (0.118 R)
• M52: 19,573,834 km (0.05 R)
• M53: 21,434,682 km (0.044 R)
• M54: 21,645,017 km (0.061 R)
• M55: 21,750,334 km (0.065 R)
• M56: 21,855,950 km (0.079 R)
• M57: 21,961,566 km (0.084 R)
• M58: 22,067,481 km (0.118 R)
• M59: 22,974,343 km (0.11 R)
• M60: 23,243,320 km (0.08 R)
• M61: 23,621,803 km (0.104 R)
• M62: 23,675,957 km (0.037 R)
• M63: 25,266,482 km (0.038 R)
• M64: 25,599,786 km (0.096 R)
• M65: 26,327,131 km (0.099 R)
• M66: 26,383,380 km (0.117 R)
• M67: 26,721,471 km (0.046 R)
• M68: 26,834,567 km (0.055 R)
• M69: 27,459,138 km (0.085 R)
• M70: 27,687,424 km (0.1 R)
• M71: 28,433,918 km (0.073 R)
• M72: 28,549,258 km (0.109 R)
• M73: 30,063,786 km (0.112 R)
• M74: 31,843,552 km (0.046 R)
• M75: 32,323,911 km (0.05 R)
• M76: 32,746,076 km (0.105 R)
• M77: 32,806,663 km (0.11 R)
• M78: 33,109,450 km (0.098 R)
• M79: 33,352,546 km (0.088 R)
• M80: 34,085,127 km (0.083 R)
• M81: 34,268,983 km (0.089 R)
• M82: 35,503,913 km (0.112 R)
• M83: 36,376,966 km (0.12 R)
• M84: 37,509,871 km (0.105 R)
• M85: 38,207,895 km (0.084 R)
• M86: 38,398,931 km (0.032 R)
• M87: 38,846,079 km (0.1 R)
• M88: 40,392,173 km (0.101 R)
• M89: 40,846,951 km (0.074 R)
• M90: 41,761,592 km (0.049 R)
• M91: 41,827,116 km (0.077 R)
• M92: 42,089,810 km (0.103 R)
• M93: 43,013,427 km (0.109 R)
• M94: 43,943,926 km (0.116 R)

Kuiper Belt

Range: 30.6 - 54.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 314 - 17,252 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit