🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.46 AU - 0.62 AU

Year: 143 Days

Day: 20.3 Hours

Environment

Temp: 221 °C

Axial Tilt: 120 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.8 AU - 1.14 AU

Year: 344 Days

Day: 14.2 Hours

Environment

Temp: 142 °C

Axial Tilt: 12.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 51,962,851 km

• M1: 448,046 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.25 AU - 1.31 AU

Year: 521 Days

Day: 32.3 Hours

Environment

Temp: -2 °C

Axial Tilt: 37.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 51,962,851 km

• M1: 83,027 km (0.074 R)
• M2: 439,668 km (0.067 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.76 AU - 2.44 AU

Year: 1095 Days

Day: 21.6 Hours

Environment

Temp: -57 °C

Axial Tilt: 49.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.66 AU - 4.68 AU

Year: 3632 Days

Day: 30.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.64 AU - 5.16 AU

Year: 3904 Days

Day: 38.1 Hours

Environment

Temp: -129 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.3

Radius: 12.1

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 7.49 AU - 8.47 AU

Year: 8113 Days

Day: 14.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 51,962,851 km

• M1: 228,137 km (0.052 R)
• M2: 335,997 km (0.112 R)
• M3: 484,398 km (0.076 R)
• M4: 598,391 km (0.111 R)
• M5: 706,850 km (0.099 R)
• M6: 1,056,909 km (0.052 R)
• M7: 1,272,330 km (0.103 R)
• M8: 1,375,253 km (0.082 R)
• M9: 1,611,917 km (0.088 R)
• M10: 1,701,377 km (0.112 R)
• M11: 1,862,045 km (0.028 R)
• M12: 2,174,255 km (0.086 R)
• M13: 2,426,029 km (0.041 R)
• M14: 2,767,710 km (0.096 R)
• M15: 3,266,320 km (0.092 R)
• M16: 3,673,825 km (0.097 R)
• M17: 4,190,386 km (0.104 R)
• M18: 4,441,561 km (0.115 R)
• M19: 4,697,672 km (0.115 R)
• M20: 5,632,210 km (0.111 R)
• M21: 5,735,732 km (0.034 R)
• M22: 6,623,147 km (0.108 R)
• M23: 7,027,210 km (0.075 R)
• M24: 7,401,654 km (0.117 R)
• M25: 7,820,977 km (0.105 R)
• M26: 8,326,617 km (0.1 R)
• M27: 9,451,593 km (0.089 R)
• M28: 9,906,670 km (0.095 R)
• M29: 10,326,591 km (0.104 R)
• M30: 10,881,151 km (0.074 R)
• M31: 11,097,020 km (0.066 R)
• M32: 11,489,266 km (0.091 R)
• M33: 12,966,246 km (0.068 R)
• M34: 13,195,131 km (0.026 R)
• M35: 13,750,288 km (0.099 R)
• M36: 14,124,433 km (0.115 R)
• M37: 14,644,584 km (0.102 R)
• M38: 15,074,977 km (0.047 R)
• M39: 15,267,510 km (0.039 R)
• M40: 15,947,881 km (0.074 R)
• M41: 16,837,390 km (0.077 R)
• M42: 17,187,599 km (0.042 R)
• M43: 17,439,222 km (0.074 R)
• M44: 17,742,906 km (0.117 R)
• M45: 18,099,248 km (0.086 R)
• M46: 18,201,573 km (0.073 R)
• M47: 18,922,784 km (0.119 R)
• M48: 19,758,588 km (0.086 R)
• M49: 20,287,117 km (0.108 R)
• M50: 20,820,284 km (0.03 R)
• M51: 21,142,517 km (0.088 R)
• M52: 21,466,247 km (0.091 R)
• M53: 21,628,711 km (0.099 R)
• M54: 21,737,319 km (0.034 R)
• M55: 21,846,076 km (0.072 R)
• M56: 22,392,557 km (0.092 R)
• M57: 24,396,870 km (0.027 R)
• M58: 25,764,942 km (0.053 R)
• M59: 26,226,452 km (0.093 R)
• M60: 26,690,654 km (0.112 R)
• M61: 27,745,169 km (0.045 R)
• M62: 28,277,438 km (0.087 R)
• M63: 30,197,527 km (0.087 R)
• M64: 32,035,636 km (0.057 R)
• M65: 33,093,293 km (0.112 R)
• M66: 33,469,232 km (0.094 R)
• M67: 34,732,886 km (0.107 R)
• M68: 35,178,837 km (0.082 R)
• M69: 36,140,751 km (0.106 R)
• M70: 36,528,060 km (0.077 R)
• M71: 39,807,993 km (0.099 R)
• M72: 40,007,856 km (0.061 R)
• M73: 41,011,658 km (0.09 R)
• M74: 41,618,128 km (0.094 R)
• M75: 42,023,987 km (0.115 R)
• M76: 43,044,394 km (0.087 R)
• M77: 43,729,253 km (0.091 R)
• M78: 44,901,651 km (0.093 R)
• M79: 47,066,332 km (0.032 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.5

Radius: 8.2

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 9.02 AU - 12.7 AU

Year: 12880 Days

Day: 11.8 Hours

Environment

Temp: -172 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 51,962,851 km

• M1: 126,859 km (0.106 R)
• M2: 181,163 km (0.047 R)
• M3: 513,869 km (0.069 R)
• M4: 629,508 km (0.118 R)
• M5: 791,672 km (0.09 R)
• M6: 988,094 km (0.116 R)
• M7: 1,071,121 km (0.065 R)
• M8: 1,427,014 km (0.097 R)
• M9: 1,618,499 km (0.106 R)
• M10: 1,818,362 km (0.109 R)
• M11: 2,026,154 km (0.114 R)
• M12: 2,993,453 km (0.107 R)
• M13: 3,054,340 km (0.039 R)
• M14: 4,050,063 km (0.119 R)
• M15: 4,117,532 km (0.106 R)
• M16: 4,185,449 km (0.058 R)
• M17: 4,920,573 km (0.096 R)
• M18: 5,028,732 km (0.09 R)
• M19: 5,174,441 km (0.082 R)
• M20: 5,358,446 km (0.106 R)
• M21: 5,808,736 km (0.085 R)
• M22: 5,885,031 km (0.091 R)
• M23: 5,961,625 km (0.054 R)
• M24: 6,038,518 km (0.116 R)
• M25: 6,906,485 km (0.042 R)
• M26: 6,987,417 km (0.104 R)
• M27: 7,897,421 km (0.038 R)
• M28: 8,713,029 km (0.063 R)
• M29: 8,844,226 km (0.045 R)
• M30: 10,238,478 km (0.061 R)
• M31: 10,377,006 km (0.099 R)
• M32: 11,173,914 km (0.117 R)
• M33: 11,603,708 km (0.082 R)
• M34: 12,381,019 km (0.044 R)
• M35: 12,479,454 km (0.104 R)
• M36: 12,578,039 km (0.066 R)
• M37: 13,275,764 km (0.118 R)
• M38: 13,527,836 km (0.112 R)
• M39: 15,074,229 km (0.103 R)
• M40: 15,231,906 km (0.094 R)
• M41: 17,717,624 km (0.082 R)
• M42: 18,386,476 km (0.091 R)
• M43: 19,006,858 km (0.057 R)
• M44: 19,806,459 km (0.112 R)
• M45: 20,094,584 km (0.101 R)
• M46: 21,202,506 km (0.111 R)
• M47: 21,971,888 km (0.116 R)
• M48: 22,270,186 km (0.104 R)
• M49: 23,173,309 km (0.092 R)
• M50: 23,538,028 km (0.035 R)
• M51: 24,519,540 km (0.078 R)
• M52: 24,766,975 km (0.06 R)
• M53: 25,202,005 km (0.026 R)
• M54: 25,389,302 km (0.075 R)
• M55: 25,451,834 km (0.116 R)
• M56: 25,702,410 km (0.097 R)
• M57: 25,953,735 km (0.106 R)
• M58: 26,522,356 km (0.103 R)
• M59: 26,649,365 km (0.102 R)
• M60: 27,672,016 km (0.075 R)
• M61: 28,123,353 km (0.081 R)
• M62: 28,188,128 km (0.09 R)
• M63: 28,382,456 km (0.036 R)
• M64: 30,549,680 km (0.117 R)
• M65: 32,905,847 km (0.113 R)
• M66: 33,795,805 km (0.115 R)
• M67: 34,485,750 km (0.074 R)
• M68: 35,319,908 km (0.107 R)
• M69: 35,809,542 km (0.103 R)
• M70: 36,654,021 km (0.089 R)
• M71: 36,937,061 km (0.12 R)
• M72: 37,149,789 km (0.105 R)
• M73: 38,147,756 km (0.111 R)
• M74: 38,219,414 km (0.113 R)
• M75: 38,291,071 km (0.052 R)
• M76: 38,434,535 km (0.119 R)
• M77: 39,010,338 km (0.074 R)
• M78: 39,226,955 km (0.047 R)
• M79: 39,371,616 km (0.111 R)
• M80: 40,024,611 km (0.104 R)
• M81: 40,900,955 km (0.089 R)
• M82: 43,717,435 km (0.104 R)
• M83: 45,149,086 km (0.072 R)
• M84: 45,908,744 km (0.098 R)
• M85: 47,132,904 km (0.095 R)
• M86: 47,440,626 km (0.104 R)
• M87: 48,445,326 km (0.062 R)
• M88: 49,926,345 km (0.071 R)
• M89: 50,318,590 km (0.062 R)
• M90: 51,977,032 km (0.106 R)
• M91: 52,294,928 km (0.109 R)
• M92: 52,374,514 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 93

Radius: 3.2

Gravity: 9.08 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 14.57 AU - 24.13 AU

Year: 30633 Days

Day: 21 Hours

Environment

Temp: -206 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 51,962,851 km

• M1: 424,409 km (0.119 R)
• M2: 1,106,276 km (0.057 R)
• M3: 1,281,455 km (0.075 R)
• M4: 1,303,895 km (0.115 R)
• M5: 2,279,572 km (0.11 R)
• M6: 2,847,595 km (0.083 R)
• M7: 3,026,066 km (0.108 R)
• M8: 3,519,888 km (0.112 R)
• M9: 4,442,309 km (0.059 R)
• M10: 6,725,920 km (0.064 R)
• M11: 8,106,709 km (0.112 R)
• M12: 9,219,418 km (0.079 R)
• M13: 10,062,402 km (0.108 R)
• M14: 10,242,966 km (0.118 R)
• M15: 10,288,294 km (0.111 R)
• M16: 10,379,100 km (0.065 R)
• M17: 10,653,164 km (0.054 R)
• M18: 11,022,371 km (0.113 R)
• M19: 11,161,796 km (0.061 R)
• M20: 11,536,689 km (0.096 R)
• M21: 12,202,698 km (0.075 R)
• M22: 13,027,880 km (0.115 R)
• M23: 13,224,751 km (0.107 R)
• M24: 13,274,118 km (0.11 R)
• M25: 13,770,933 km (0.11 R)
• M26: 15,349,490 km (0.095 R)
• M27: 15,609,341 km (0.105 R)
• M28: 15,713,760 km (0.096 R)
• M29: 18,013,229 km (0.111 R)
• M30: 18,839,757 km (0.092 R)
• M31: 19,173,809 km (0.095 R)
• M32: 19,734,802 km (0.055 R)
• M33: 21,276,557 km (0.113 R)
• M34: 21,566,179 km (0.046 R)
• M35: 21,624,372 km (0.068 R)
• M36: 21,740,759 km (0.116 R)
• M37: 23,870,435 km (0.073 R)
• M38: 24,473,763 km (0.047 R)
• M39: 27,564,455 km (0.113 R)
• M40: 30,644,825 km (0.11 R)
• M41: 35,465,018 km (0.103 R)
• M42: 35,533,683 km (0.056 R)
• M43: 37,053,747 km (0.112 R)
• M44: 37,332,298 km (0.117 R)
• M45: 37,751,621 km (0.117 R)
• M46: 38,735,975 km (0.115 R)
• M47: 40,156,856 km (0.065 R)
• M48: 42,392,596 km (0.113 R)
• M49: 44,298,622 km (0.112 R)
• M50: 45,559,882 km (0.073 R)
• M51: 46,457,320 km (0.025 R)
• M52: 46,532,418 km (0.074 R)
• M53: 47,738,625 km (0.106 R)
• M54: 48,041,860 km (0.11 R)
• M55: 48,802,565 km (0.085 R)
• M56: 49,184,339 km (0.113 R)
• M57: 50,876,291 km (0.114 R)

Kuiper Belt

Range: 30.5 - 47.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 10,653 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit