🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.51 AU - 0.81 AU

Year: 188 Days

Day: 19.4 Hours

Environment

Temp: 236 °C

Axial Tilt: 35.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.64 AU - 0.96 AU

Year: 251 Days

Day: 16.4 Hours

Environment

Temp: 165 °C

Axial Tilt: 3.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.24 AU - 1.68 AU

Year: 620 Days

Day: 14.8 Hours

Environment

Temp: 6 °C

Axial Tilt: 32.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.97 AU - 2.97 AU

Year: 1364 Days

Day: 25 Hours

Environment

Temp: -66 °C

Axial Tilt: 44.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 48,979,493 km

• M1: 589,715 km (0.118 R)
• M2: 1,003,652 km (0.099 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.71

Radius: 0.87

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.63 AU - 4.15 AU

Year: 2194 Days

Day: 39.6 Hours

Environment

Temp: -109 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.44 AU - 6.14 AU

Year: 4276 Days

Day: 30.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,979,493 km

• M1: 864,376 km (0.093 R)

Planet 7 - Terrestrial

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 4.13 AU - 6.61 AU

Year: 4374 Days

Day: 31.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 0.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.5

Radius: 11.8

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.31 AU - 6.93 AU

Year: 5321 Days

Day: 10 Hours

Environment

Temp: -138 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 48,979,493 km

• M1: 199,863 km (0.111 R)
• M2: 289,472 km (0.069 R)
• M3: 450,738 km (0.104 R)
• M4: 540,048 km (0.068 R)
• M5: 966,402 km (0.096 R)
• M6: 1,060,799 km (0.118 R)
• M7: 1,548,637 km (0.08 R)
• M8: 1,693,298 km (0.046 R)
• M9: 1,775,727 km (0.058 R)
• M10: 2,013,887 km (0.086 R)
• M11: 2,353,922 km (0.12 R)
• M12: 2,635,466 km (0.118 R)
• M13: 2,790,299 km (0.055 R)
• M14: 2,868,838 km (0.088 R)
• M15: 3,048,206 km (0.101 R)
• M16: 3,129,139 km (0.098 R)
• M17: 3,397,368 km (0.12 R)
• M18: 3,481,442 km (0.098 R)
• M19: 3,824,769 km (0.044 R)
• M20: 3,978,555 km (0.086 R)
• M21: 4,428,995 km (0.072 R)
• M22: 4,754,220 km (0.074 R)
• M23: 4,943,462 km (0.092 R)
• M24: 5,039,055 km (0.111 R)
• M25: 5,902,085 km (0.065 R)
• M26: 6,651,570 km (0.109 R)
• M27: 6,863,700 km (0.098 R)
• M28: 7,294,691 km (0.108 R)
• M29: 7,376,521 km (0.037 R)
• M30: 7,568,455 km (0.104 R)
• M31: 7,762,185 km (0.089 R)
• M32: 8,239,552 km (0.095 R)
• M33: 8,611,153 km (0.109 R)
• M34: 8,784,387 km (0.088 R)
• M35: 9,878,845 km (0.094 R)
• M36: 10,121,044 km (0.104 R)
• M37: 10,797,526 km (0.107 R)
• M38: 10,922,141 km (0.117 R)
• M39: 11,047,204 km (0.118 R)
• M40: 11,172,717 km (0.07 R)
• M41: 11,361,809 km (0.115 R)
• M42: 11,552,097 km (0.066 R)
• M43: 11,743,433 km (0.095 R)
• M44: 12,356,335 km (0.109 R)
• M45: 13,012,621 km (0.116 R)
• M46: 13,345,028 km (0.117 R)
• M47: 13,579,448 km (0.106 R)
• M48: 14,944,827 km (0.104 R)
• M49: 15,188,223 km (0.033 R)
• M50: 15,327,947 km (0.116 R)
• M51: 15,784,969 km (0.107 R)
• M52: 15,961,943 km (0.092 R)
• M53: 16,068,457 km (0.103 R)
• M54: 16,353,590 km (0.048 R)
• M55: 16,568,563 km (0.1 R)
• M56: 17,767,739 km (0.111 R)
• M57: 17,951,894 km (0.089 R)
• M58: 18,099,547 km (0.083 R)
• M59: 18,173,598 km (0.072 R)
• M60: 18,507,949 km (0.105 R)
• M61: 18,657,248 km (0.103 R)
• M62: 19,523,420 km (0.063 R)
• M63: 22,557,115 km (0.087 R)
• M64: 22,876,506 km (0.117 R)
• M65: 23,560,169 km (0.036 R)
• M66: 23,803,116 km (0.084 R)
• M67: 24,087,501 km (0.1 R)
• M68: 24,169,032 km (0.1 R)
• M69: 25,942,964 km (0.091 R)
• M70: 26,361,538 km (0.081 R)
• M71: 26,824,394 km (0.086 R)
• M72: 27,886,689 km (0.068 R)
• M73: 28,143,698 km (0.039 R)
• M74: 28,315,436 km (0.091 R)
• M75: 28,530,558 km (0.115 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.9

Radius: 12

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 9.53 AU - 15.25 AU

Year: 15328 Days

Day: 14.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 48,979,493 km

• M1: 700,417 km (0.03 R)
• M2: 883,375 km (0.112 R)
• M3: 1,135,448 km (0.107 R)
• M4: 1,606,980 km (0.092 R)
• M5: 1,960,929 km (0.1 R)
• M6: 2,113,968 km (0.056 R)
• M7: 2,316,673 km (0.091 R)
• M8: 2,478,986 km (0.074 R)
• M9: 2,597,169 km (0.12 R)
• M10: 3,038,632 km (0.112 R)
• M11: 3,717,956 km (0.104 R)
• M12: 3,854,090 km (0.113 R)
• M13: 5,001,356 km (0.104 R)
• M14: 5,800,508 km (0.058 R)
• M15: 6,377,208 km (0.082 R)
• M16: 9,228,693 km (0.091 R)
• M17: 9,488,245 km (0.082 R)
• M18: 9,825,588 km (0.075 R)
• M19: 10,128,823 km (0.075 R)
• M20: 11,372,131 km (0.117 R)
• M21: 12,951,884 km (0.032 R)
• M22: 13,034,762 km (0.097 R)
• M23: 13,284,441 km (0.117 R)
• M24: 13,577,652 km (0.067 R)
• M25: 13,915,444 km (0.082 R)
• M26: 14,772,191 km (0.114 R)
• M27: 15,955,660 km (0.054 R)
• M28: 16,044,521 km (0.071 R)
• M29: 16,178,112 km (0.066 R)
• M30: 16,897,229 km (0.108 R)
• M31: 17,672,595 km (0.054 R)
• M32: 17,995,128 km (0.081 R)
• M33: 18,552,829 km (0.101 R)
• M34: 18,693,152 km (0.063 R)
• M35: 19,021,968 km (0.097 R)
• M36: 19,163,338 km (0.109 R)
• M37: 20,019,636 km (0.059 R)
• M38: 20,791,262 km (0.12 R)
• M39: 22,463,167 km (0.118 R)
• M40: 23,113,769 km (0.06 R)
• M41: 23,973,956 km (0.093 R)
• M42: 26,196,083 km (0.038 R)
• M43: 26,564,094 km (0.064 R)
• M44: 27,411,566 km (0.119 R)
• M45: 27,678,299 km (0.112 R)
• M46: 28,753,608 km (0.085 R)
• M47: 30,006,939 km (0.042 R)
• M48: 30,171,796 km (0.102 R)
• M49: 30,502,258 km (0.077 R)
• M50: 32,962,694 km (0.039 R)
• M51: 33,530,717 km (0.096 R)
• M52: 34,446,256 km (0.069 R)
• M53: 35,660,392 km (0.114 R)
• M54: 36,068,196 km (0.119 R)
• M55: 36,360,510 km (0.098 R)
• M56: 38,428,252 km (0.028 R)

Planet 10 - Gas Giant

Semi-Major Axis: 12.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.9

Radius: 11.9

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 10.97 AU - 14.17 AU

Year: 15663 Days

Day: 8.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 48,979,493 km

• M1: 204,351 km (0.062 R)
• M2: 329,564 km (0.047 R)
• M3: 427,551 km (0.1 R)
• M4: 614,099 km (0.116 R)
• M5: 883,675 km (0.058 R)
• M6: 1,071,869 km (0.116 R)
• M7: 1,358,049 km (0.075 R)
• M8: 2,228,859 km (0.078 R)
• M9: 2,489,907 km (0.118 R)
• M10: 2,570,091 km (0.12 R)
• M11: 2,678,550 km (0.084 R)
• M12: 2,956,503 km (0.094 R)
• M13: 3,692,225 km (0.118 R)
• M14: 3,908,244 km (0.074 R)
• M15: 4,096,738 km (0.09 R)
• M16: 4,982,207 km (0.087 R)
• M17: 5,221,265 km (0.1 R)
• M18: 5,394,350 km (0.083 R)
• M19: 5,569,529 km (0.115 R)
• M20: 6,033,581 km (0.065 R)
• M21: 7,421,700 km (0.102 R)
• M22: 8,091,749 km (0.044 R)
• M23: 8,171,784 km (0.119 R)
• M24: 8,332,901 km (0.108 R)
• M25: 8,413,683 km (0.11 R)
• M26: 8,617,137 km (0.077 R)
• M27: 8,946,102 km (0.076 R)
• M28: 10,520,321 km (0.113 R)
• M29: 10,607,835 km (0.093 R)
• M30: 11,093,580 km (0.118 R)
• M31: 11,182,740 km (0.087 R)
• M32: 11,316,780 km (0.081 R)
• M33: 12,086,910 km (0.064 R)
• M34: 12,594,196 km (0.064 R)
• M35: 14,109,622 km (0.059 R)
• M36: 14,692,605 km (0.086 R)
• M37: 15,781,977 km (0.063 R)
• M38: 15,932,472 km (0.059 R)
• M39: 20,666,497 km (0.098 R)
• M40: 21,494,820 km (0.12 R)
• M41: 22,277,816 km (0.111 R)
• M42: 22,842,847 km (0.11 R)
• M43: 22,956,392 km (0.076 R)
• M44: 23,527,108 km (0.113 R)
• M45: 23,756,591 km (0.057 R)
• M46: 24,857,332 km (0.074 R)
• M47: 25,149,646 km (0.094 R)
• M48: 25,738,014 km (0.119 R)
• M49: 27,348,884 km (0.068 R)
• M50: 27,590,335 km (0.04 R)
• M51: 28,440,949 km (0.113 R)
• M52: 28,563,021 km (0.055 R)
• M53: 29,053,702 km (0.1 R)
• M54: 29,423,508 km (0.109 R)
• M55: 29,732,876 km (0.076 R)
• M56: 31,169,764 km (0.069 R)
• M57: 31,358,855 km (0.117 R)
• M58: 31,485,116 km (0.119 R)
• M59: 31,991,953 km (0.058 R)
• M60: 32,182,691 km (0.108 R)
• M61: 34,045,932 km (0.063 R)
• M62: 34,175,783 km (0.083 R)
• M63: 34,501,009 km (0.076 R)
• M64: 34,631,309 km (0.114 R)
• M65: 36,473,756 km (0.114 R)
• M66: 36,673,020 km (0.089 R)
• M67: 37,006,025 km (0.093 R)
• M68: 37,273,057 km (0.096 R)
• M69: 37,473,818 km (0.12 R)
• M70: 38,821,246 km (0.064 R)
• M71: 39,569,086 km (0.073 R)
• M72: 41,494,111 km (0.111 R)
• M73: 42,258,706 km (0.086 R)
• M74: 43,308,733 km (0.112 R)
• M75: 43,731,198 km (0.09 R)
• M76: 44,084,398 km (0.077 R)
• M77: 45,078,027 km (0.089 R)
• M78: 45,291,952 km (0.057 R)
• M79: 45,577,684 km (0.039 R)
• M80: 45,792,357 km (0.088 R)
• M81: 47,015,170 km (0.065 R)
• M82: 47,449,453 km (0.071 R)
• M83: 48,979,540 km (0.104 R)

Kuiper Belt

Range: 31.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 11,084 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit