🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.76 AU - 0.84 AU

Year: 260 Days

Day: 30.1 Hours

Environment

Temp: 191 °C

Axial Tilt: 3.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.03 AU - 1.47 AU

Year: 508 Days

Day: 20.2 Hours

Environment

Temp: -4 °C

Axial Tilt: 13.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 69,378,027 km

• M1: 220,358 km (0.117 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.41 AU - 1.51 AU

Year: 641 Days

Day: 27.2 Hours

Environment

Temp: -31 °C

Axial Tilt: 43 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,378,027 km

• M1: 162,613 km (0.11 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.84 AU - 2.94 AU

Year: 1786 Days

Day: 22.4 Hours

Environment

Temp: -88 °C

Axial Tilt: 9.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,378,027 km

• M1: 869,912 km (0.107 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.67 AU - 3.99 AU

Year: 2208 Days

Day: 30.3 Hours

Environment

Temp: -107 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.6

Radius: 12.7

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.34 AU - 8.22 AU

Year: 7139 Days

Day: 12.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 69,378,027 km

• M1: 218,114 km (0.081 R)
• M2: 340,485 km (0.059 R)
• M3: 539,899 km (0.061 R)
• M4: 630,705 km (0.05 R)
• M5: 889,060 km (0.067 R)
• M6: 1,171,501 km (0.075 R)
• M7: 1,860,399 km (0.075 R)
• M8: 2,629,332 km (0.084 R)
• M9: 3,055,836 km (0.056 R)
• M10: 3,197,804 km (0.091 R)
• M11: 3,358,023 km (0.101 R)
• M12: 3,736,805 km (0.087 R)
• M13: 4,199,212 km (0.066 R)
• M14: 4,304,529 km (0.08 R)
• M15: 4,825,878 km (0.046 R)
• M16: 6,609,832 km (0.074 R)
• M17: 6,877,164 km (0.095 R)
• M18: 7,635,775 km (0.114 R)
• M19: 7,916,271 km (0.074 R)
• M20: 8,090,702 km (0.043 R)
• M21: 8,621,325 km (0.11 R)
• M22: 10,470,953 km (0.101 R)
• M23: 10,782,865 km (0.112 R)
• M24: 11,049,149 km (0.114 R)
• M25: 11,637,817 km (0.107 R)
• M26: 12,463,896 km (0.118 R)
• M27: 12,769,076 km (0.072 R)
• M28: 13,699,126 km (0.037 R)
• M29: 13,935,042 km (0.031 R)
• M30: 15,624,151 km (0.082 R)
• M31: 15,980,793 km (0.118 R)
• M32: 16,173,923 km (0.072 R)
• M33: 16,284,626 km (0.116 R)
• M34: 16,451,128 km (0.047 R)
• M35: 16,729,979 km (0.068 R)
• M36: 17,038,599 km (0.112 R)
• M37: 17,632,802 km (0.085 R)
• M38: 17,746,795 km (0.106 R)
• M39: 18,176,291 km (0.116 R)
• M40: 18,580,355 km (0.119 R)
• M41: 18,783,509 km (0.07 R)
• M42: 19,074,925 km (0.059 R)
• M43: 19,780,728 km (0.054 R)
• M44: 19,899,060 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 448.7

Radius: 6.9

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 11.95 AU - 19.79 AU

Year: 22977 Days

Day: 17.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 69,378,027 km

• M1: 338,390 km (0.111 R)
• M2: 425,008 km (0.115 R)
• M3: 580,290 km (0.112 R)
• M4: 686,804 km (0.099 R)
• M5: 753,973 km (0.099 R)
• M6: 1,123,330 km (0.115 R)
• M7: 1,257,968 km (0.091 R)
• M8: 2,444,280 km (0.04 R)
• M9: 2,909,230 km (0.063 R)
• M10: 3,323,915 km (0.066 R)
• M11: 3,557,886 km (0.087 R)
• M12: 3,837,784 km (0.045 R)
• M13: 4,041,985 km (0.097 R)
• M14: 4,208,039 km (0.078 R)
• M15: 4,291,813 km (0.071 R)
• M16: 4,376,187 km (0.052 R)
• M17: 6,658,751 km (0.104 R)
• M18: 7,202,988 km (0.07 R)
• M19: 7,303,518 km (0.08 R)
• M20: 8,280,990 km (0.063 R)
• M21: 8,598,287 km (0.107 R)
• M22: 8,704,950 km (0.113 R)
• M23: 9,518,464 km (0.117 R)
• M24: 10,583,750 km (0.089 R)
• M25: 11,275,640 km (0.063 R)
• M26: 11,863,560 km (0.114 R)
• M27: 12,101,421 km (0.094 R)
• M28: 12,582,079 km (0.093 R)
• M29: 13,007,684 km (0.108 R)
• M30: 13,376,294 km (0.078 R)
• M31: 13,624,028 km (0.086 R)
• M32: 13,686,111 km (0.084 R)
• M33: 14,948,866 km (0.109 R)
• M34: 16,711,728 km (0.117 R)
• M35: 17,381,178 km (0.111 R)
• M36: 17,448,497 km (0.083 R)
• M37: 18,884,637 km (0.042 R)
• M38: 19,092,727 km (0.065 R)
• M39: 20,287,117 km (0.03 R)
• M40: 20,358,176 km (0.077 R)
• M41: 20,429,235 km (0.115 R)
• M42: 20,929,191 km (0.111 R)
• M43: 22,086,929 km (0.107 R)
• M44: 22,673,652 km (0.093 R)
• M45: 23,117,060 km (0.088 R)
• M46: 23,339,811 km (0.117 R)
• M47: 23,712,609 km (0.058 R)
• M48: 24,087,501 km (0.079 R)
• M49: 24,615,432 km (0.105 R)
• M50: 25,299,992 km (0.106 R)
• M51: 25,529,625 km (0.108 R)
• M52: 25,606,219 km (0.117 R)
• M53: 25,759,856 km (0.03 R)
• M54: 26,299,754 km (0.054 R)
• M55: 26,921,483 km (0.084 R)
• M56: 28,100,015 km (0.115 R)
• M57: 28,895,128 km (0.095 R)
• M58: 29,375,786 km (0.12 R)
• M59: 30,833,318 km (0.116 R)
• M60: 32,065,855 km (0.092 R)
• M61: 35,516,180 km (0.117 R)
• M62: 37,328,409 km (0.116 R)
• M63: 39,259,119 km (0.107 R)
• M64: 40,147,281 km (0.074 R)
• M65: 41,311,901 km (0.091 R)
• M66: 41,401,959 km (0.1 R)
• M67: 41,492,166 km (0.084 R)
• M68: 43,216,581 km (0.111 R)
• M69: 44,502,225 km (0.116 R)
• M70: 45,521,136 km (0.028 R)
• M71: 47,865,335 km (0.1 R)
• M72: 47,959,881 km (0.104 R)
• M73: 48,149,271 km (0.063 R)
• M74: 49,768,668 km (0.047 R)
• M75: 52,377,356 km (0.113 R)
• M76: 52,474,744 km (0.091 R)
• M77: 52,767,507 km (0.089 R)
• M78: 53,944,095 km (0.065 R)
• M79: 54,042,530 km (0.106 R)
• M80: 55,030,026 km (0.108 R)
• M81: 55,426,759 km (0.094 R)
• M82: 57,726,228 km (0.037 R)
• M83: 59,344,129 km (0.081 R)
• M84: 60,976,990 km (0.074 R)
• M85: 62,520,989 km (0.065 R)
• M86: 64,599,801 km (0.109 R)
• M87: 65,227,813 km (0.086 R)
• M88: 65,437,699 km (0.046 R)
• M89: 67,547,927 km (0.091 R)
• M90: 69,145,333 km (0.087 R)
• M91: 69,680,444 km (0.075 R)
• M92: 70,324,463 km (0.036 R)
• M93: 70,539,585 km (0.117 R)
• M94: 70,755,006 km (0.104 R)
• M95: 71,618,634 km (0.1 R)
• M96: 72,485,703 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389

Radius: 4.4

Gravity: 20.09 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 14.72 AU - 17.14 AU

Year: 23108 Days

Day: 19.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 69,378,027 km

• M1: 195,076 km (0.095 R)
• M2: 250,726 km (0.103 R)
• M3: 379,530 km (0.096 R)
• M4: 716,424 km (0.117 R)
• M5: 900,579 km (0.103 R)
• M6: 1,048,232 km (0.095 R)
• M7: 1,450,202 km (0.104 R)
• M8: 1,593,965 km (0.101 R)
• M9: 1,957,787 km (0.089 R)
• M10: 2,116,660 km (0.059 R)
• M11: 2,214,048 km (0.088 R)
• M12: 2,583,854 km (0.043 R)
• M13: 2,618,412 km (0.097 R)
• M14: 2,722,980 km (0.116 R)
• M15: 3,192,269 km (0.052 R)
• M16: 4,082,077 km (0.106 R)
• M17: 4,162,860 km (0.097 R)
• M18: 4,533,115 km (0.075 R)
• M19: 5,526,145 km (0.102 R)
• M20: 5,660,634 km (0.062 R)
• M21: 6,070,083 km (0.104 R)
• M22: 6,116,159 km (0.119 R)
• M23: 8,103,717 km (0.094 R)
• M24: 8,564,628 km (0.062 R)
• M25: 9,192,191 km (0.03 R)
• M26: 10,215,889 km (0.111 R)
• M27: 11,105,697 km (0.081 R)
• M28: 11,962,145 km (0.04 R)
• M29: 12,369,051 km (0.119 R)
• M30: 12,486,186 km (0.068 R)
• M31: 13,077,098 km (0.104 R)
• M32: 13,375,994 km (0.065 R)
• M33: 14,163,627 km (0.075 R)
• M34: 14,224,813 km (0.099 R)
• M35: 16,357,630 km (0.11 R)
• M36: 16,809,116 km (0.093 R)
• M37: 17,068,818 km (0.098 R)
• M38: 18,991,300 km (0.026 R)
• M39: 19,261,923 km (0.044 R)
• M40: 20,149,786 km (0.086 R)
• M41: 20,841,975 km (0.057 R)
• M42: 20,981,251 km (0.118 R)
• M43: 22,320,601 km (0.088 R)
• M44: 23,759,882 km (0.093 R)
• M45: 27,182,232 km (0.072 R)
• M46: 27,486,963 km (0.034 R)
• M47: 27,639,852 km (0.058 R)
• M48: 28,640,064 km (0.088 R)
• M49: 28,950,180 km (0.09 R)
• M50: 30,517,666 km (0.111 R)
• M51: 30,913,802 km (0.111 R)
• M52: 32,353,831 km (0.071 R)
• M53: 33,244,686 km (0.109 R)
• M54: 34,225,599 km (0.059 R)
• M55: 34,802,149 km (0.118 R)
• M56: 34,967,605 km (0.103 R)
• M57: 35,133,060 km (0.076 R)
• M58: 36,467,174 km (0.072 R)
• M59: 36,971,767 km (0.06 R)
• M60: 37,732,921 km (0.102 R)
• M61: 38,413,891 km (0.115 R)
• M62: 39,184,769 km (0.105 R)
• M63: 39,701,480 km (0.061 R)
• M64: 40,133,818 km (0.045 R)
• M65: 40,480,885 km (0.076 R)
• M66: 41,966,691 km (0.059 R)
• M67: 42,230,731 km (0.109 R)
• M68: 42,318,844 km (0.118 R)
• M69: 43,115,004 km (0.056 R)
• M70: 46,985,849 km (0.113 R)
• M71: 50,310,961 km (0.074 R)
• M72: 51,059,997 km (0.109 R)
• M73: 51,907,320 km (0.089 R)
• M74: 52,474,595 km (0.081 R)
• M75: 54,380,771 km (0.099 R)
• M76: 55,921,778 km (0.092 R)
• M77: 56,018,568 km (0.065 R)
• M78: 56,406,326 km (0.118 R)
• M79: 58,162,156 km (0.115 R)
• M80: 58,260,292 km (0.047 R)
• M81: 60,134,006 km (0.116 R)
• M82: 60,630,371 km (0.058 R)
• M83: 61,128,233 km (0.084 R)
• M84: 63,032,016 km (0.064 R)
• M85: 63,132,695 km (0.065 R)
• M86: 63,233,524 km (0.111 R)
• M87: 63,637,139 km (0.06 R)
• M88: 63,839,395 km (0.037 R)
• M89: 64,041,652 km (0.054 R)
• M90: 65,668,529 km (0.076 R)
• M91: 66,384,504 km (0.088 R)
• M92: 67,205,796 km (0.094 R)
• M93: 68,133,901 km (0.12 R)

Kuiper Belt

Range: 30.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 18,444 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit