🌌 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: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.73 AU - 0.87 AU

Year: 263 Days

Day: 19.6 Hours

Environment

Temp: 151 °C

Axial Tilt: 27.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 97,460,707 km

• M1: 169,644 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.96 AU - 1.22 AU

Year: 418 Days

Day: 46.1 Hours

Environment

Temp: 8 °C

Axial Tilt: 33.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 97,460,707 km

• M1: 313,557 km (0.087 R)
• M2: 1,070,672 km (0.087 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.61 AU - 2.57 AU

Year: 1109 Days

Day: 25.3 Hours

Environment

Temp: -71 °C

Axial Tilt: 16.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 97,460,707 km

• M1: 417,976 km (0.116 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.46 AU - 3.1 AU

Year: 1702 Days

Day: 25 Hours

Environment

Temp: -91 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 2.72 AU - 3.42 AU

Year: 1975 Days

Day: 28.3 Hours

Environment

Temp: -103 °C

Axial Tilt: 32.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.21 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.2

Radius: 13.1

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.04 AU - 6.64 AU

Year: 4530 Days

Day: 10.3 Hours

Environment

Temp: -135 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 97,460,707 km

• M1: 171,888 km (0.102 R)
• M2: 553,363 km (0.069 R)
• M3: 651,648 km (0.118 R)
• M4: 756,965 km (0.072 R)
• M5: 891,903 km (0.104 R)
• M6: 974,929 km (0.117 R)
• M7: 1,073,215 km (0.044 R)
• M8: 1,254,079 km (0.073 R)
• M9: 1,431,652 km (0.113 R)
• M10: 1,530,835 km (0.098 R)
• M11: 1,647,222 km (0.074 R)
• M12: 2,175,751 km (0.106 R)
• M13: 2,291,091 km (0.119 R)
• M14: 2,528,054 km (0.112 R)
• M15: 2,880,657 km (0.11 R)
• M16: 2,989,713 km (0.12 R)
• M17: 3,401,108 km (0.116 R)
• M18: 3,516,597 km (0.071 R)
• M19: 3,672,478 km (0.096 R)
• M20: 4,011,617 km (0.113 R)
• M21: 4,465,796 km (0.066 R)
• M22: 4,656,383 km (0.113 R)
• M23: 4,785,037 km (0.095 R)
• M24: 5,468,251 km (0.097 R)
• M25: 5,695,341 km (0.115 R)
• M26: 5,948,610 km (0.107 R)
• M27: 7,824,417 km (0.116 R)
• M28: 7,952,174 km (0.083 R)
• M29: 8,158,170 km (0.092 R)
• M30: 8,444,052 km (0.119 R)
• M31: 8,707,045 km (0.116 R)
• M32: 8,892,696 km (0.114 R)
• M33: 8,999,359 km (0.119 R)
• M34: 9,294,965 km (0.092 R)
• M35: 9,950,951 km (0.086 R)
• M36: 10,905,984 km (0.098 R)
• M37: 11,020,127 km (0.065 R)
• M38: 11,394,421 km (0.116 R)
• M39: 11,481,337 km (0.115 R)
• M40: 11,772,754 km (0.08 R)
• M41: 12,066,714 km (0.063 R)
• M42: 12,452,377 km (0.112 R)
• M43: 12,631,895 km (0.111 R)
• M44: 13,114,497 km (0.057 R)
• M45: 13,205,602 km (0.092 R)
• M46: 13,849,771 km (0.064 R)
• M47: 14,410,164 km (0.117 R)
• M48: 14,787,750 km (0.095 R)
• M49: 15,168,775 km (0.085 R)
• M50: 16,167,790 km (0.098 R)
• M51: 16,265,627 km (0.071 R)
• M52: 16,429,137 km (0.105 R)
• M53: 16,724,743 km (0.073 R)
• M54: 16,823,777 km (0.108 R)
• M55: 17,221,408 km (0.113 R)
• M56: 17,454,930 km (0.101 R)
• M57: 18,946,271 km (0.055 R)
• M58: 19,325,502 km (0.081 R)
• M59: 19,811,844 km (0.112 R)
• M60: 20,091,443 km (0.046 R)
• M61: 20,231,766 km (0.11 R)
• M62: 21,009,525 km (0.099 R)
• M63: 21,725,052 km (0.085 R)
• M64: 22,085,882 km (0.098 R)
• M65: 22,230,692 km (0.084 R)
• M66: 22,339,600 km (0.097 R)
• M67: 22,521,361 km (0.094 R)
• M68: 22,776,725 km (0.065 R)
• M69: 22,886,529 km (0.093 R)
• M70: 23,253,643 km (0.038 R)
• M71: 23,364,195 km (0.077 R)
• M72: 23,696,752 km (0.113 R)
• M73: 25,383,168 km (0.091 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 163.3

Radius: 3.2

Gravity: 15.95 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 15.27 AU - 15.37 AU

Year: 22012 Days

Day: 16.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 97,460,707 km

• M1: 63,130 km (0.112 R)
• M2: 314,156 km (0.113 R)
• M3: 341,083 km (0.112 R)
• M4: 601,683 km (0.049 R)
• M5: 652,995 km (0.079 R)
• M6: 723,605 km (0.106 R)
• M7: 1,031,029 km (0.049 R)
• M8: 1,219,821 km (0.116 R)
• M9: 1,285,195 km (0.036 R)
• M10: 1,329,327 km (0.12 R)
• M11: 1,511,238 km (0.101 R)
• M12: 1,557,912 km (0.099 R)
• M13: 1,581,549 km (0.115 R)
• M14: 1,999,525 km (0.112 R)
• M15: 2,504,867 km (0.108 R)
• M16: 3,136,170 km (0.065 R)
• M17: 3,407,989 km (0.113 R)
• M18: 3,909,591 km (0.099 R)
• M19: 4,333,850 km (0.118 R)
• M20: 4,636,038 km (0.077 R)
• M21: 4,738,363 km (0.117 R)
• M22: 5,911,360 km (0.043 R)
• M23: 6,133,961 km (0.117 R)
• M24: 6,246,160 km (0.097 R)
• M25: 6,625,390 km (0.063 R)
• M26: 6,663,688 km (0.072 R)
• M27: 6,702,134 km (0.07 R)
• M28: 7,405,693 km (0.058 R)
• M29: 7,887,847 km (0.111 R)
• M30: 7,969,079 km (0.101 R)
• M31: 8,091,599 km (0.101 R)
• M32: 8,713,478 km (0.108 R)
• M33: 8,839,738 km (0.1 R)
• M34: 9,264,746 km (0.113 R)
• M35: 9,393,549 km (0.106 R)
• M36: 9,522,952 km (0.118 R)
• M37: 10,090,676 km (0.045 R)
• M38: 10,489,952 km (0.104 R)
• M39: 10,579,412 km (0.094 R)
• M40: 11,904,550 km (0.101 R)
• M41: 12,373,389 km (0.1 R)
• M42: 13,280,850 km (0.071 R)
• M43: 13,963,166 km (0.046 R)
• M44: 14,110,819 km (0.079 R)
• M45: 14,160,186 km (0.075 R)
• M46: 14,756,783 km (0.092 R)
• M47: 15,108,637 km (0.08 R)
• M48: 15,666,936 km (0.106 R)
• M49: 16,077,283 km (0.044 R)
• M50: 16,491,220 km (0.057 R)
• M51: 16,751,670 km (0.107 R)
• M52: 16,908,599 km (0.074 R)
• M53: 17,013,467 km (0.112 R)
• M54: 17,329,417 km (0.081 R)
• M55: 17,913,597 km (0.1 R)
• M56: 17,967,003 km (0.079 R)
• M57: 18,774,982 km (0.118 R)
• M58: 19,265,363 km (0.099 R)
• M59: 20,091,892 km (0.117 R)
• M60: 20,147,542 km (0.098 R)
• M61: 20,258,693 km (0.061 R)
• M62: 21,268,628 km (0.096 R)
• M63: 22,640,291 km (0.051 R)
• M64: 24,099,469 km (0.078 R)
• M65: 24,335,684 km (0.1 R)
• M66: 24,691,577 km (0.104 R)
• M67: 25,228,484 km (0.11 R)
• M68: 25,528,428 km (0.119 R)
• M69: 25,708,992 km (0.093 R)
• M70: 25,890,006 km (0.034 R)
• M71: 26,618,248 km (0.105 R)
• M72: 27,353,073 km (0.091 R)
• M73: 27,661,245 km (0.087 R)
• M74: 29,850,310 km (0.074 R)
• M75: 30,805,343 km (0.028 R)
• M76: 31,512,043 km (0.069 R)
• M77: 31,964,577 km (0.091 R)
• M78: 32,484,430 km (0.086 R)
• M79: 33,994,321 km (0.108 R)
• M80: 36,132,823 km (0.109 R)
• M81: 37,218,305 km (0.103 R)
• M82: 37,286,521 km (0.057 R)
• M83: 38,383,373 km (0.081 R)
• M84: 40,118,110 km (0.112 R)
• M85: 40,327,996 km (0.063 R)
• M86: 42,446,900 km (0.062 R)
• M87: 42,732,183 km (0.065 R)
• M88: 42,946,557 km (0.073 R)
• M89: 43,376,351 km (0.075 R)
• M90: 44,095,768 km (0.115 R)
• M91: 48,196,993 km (0.072 R)
• M92: 49,390,934 km (0.089 R)
• M93: 49,540,831 km (0.067 R)
• M94: 49,841,223 km (0.069 R)
• M95: 50,292,859 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723

Radius: 7.2

Gravity: 13.95 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 15.89 AU - 20.27 AU

Year: 28221 Days

Day: 17.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 97,460,707 km

• M1: 324,627 km (0.109 R)
• M2: 782,546 km (0.116 R)
• M3: 868,565 km (0.076 R)
• M4: 1,178,233 km (0.078 R)
• M5: 1,414,597 km (0.109 R)
• M6: 1,629,270 km (0.048 R)
• M7: 2,460,137 km (0.112 R)
• M8: 2,718,493 km (0.072 R)
• M9: 3,497,598 km (0.099 R)
• M10: 4,137,129 km (0.069 R)
• M11: 4,289,869 km (0.071 R)
• M12: 5,027,087 km (0.103 R)
• M13: 5,244,901 km (0.059 R)
• M14: 6,734,747 km (0.117 R)
• M15: 6,974,851 km (0.079 R)
• M16: 7,096,025 km (0.108 R)
• M17: 10,829,988 km (0.115 R)
• M18: 11,825,412 km (0.12 R)
• M19: 12,480,651 km (0.118 R)
• M20: 12,554,253 km (0.09 R)
• M21: 12,775,658 km (0.027 R)
• M22: 13,826,284 km (0.092 R)
• M23: 16,652,487 km (0.107 R)
• M24: 16,733,419 km (0.077 R)
• M25: 16,895,883 km (0.102 R)
• M26: 17,550,673 km (0.049 R)
• M27: 17,633,101 km (0.11 R)
• M28: 18,130,364 km (0.066 R)
• M29: 19,223,476 km (0.066 R)
• M30: 20,685,047 km (0.092 R)
• M31: 22,539,313 km (0.102 R)
• M32: 22,988,555 km (0.074 R)
• M33: 23,169,120 km (0.051 R)
• M34: 23,259,627 km (0.111 R)
• M35: 25,000,347 km (0.071 R)
• M36: 25,185,998 km (0.117 R)
• M37: 26,309,628 km (0.116 R)
• M38: 26,498,570 km (0.072 R)
• M39: 26,972,646 km (0.088 R)
• M40: 28,025,515 km (0.086 R)
• M41: 28,702,595 km (0.071 R)
• M42: 28,799,684 km (0.03 R)
• M43: 29,384,911 km (0.101 R)
• M44: 32,673,222 km (0.087 R)
• M45: 34,206,152 km (0.085 R)
• M46: 36,180,993 km (0.111 R)
• M47: 36,391,028 km (0.096 R)
• M48: 37,023,678 km (0.052 R)
• M49: 37,341,274 km (0.062 R)
• M50: 39,373,860 km (0.074 R)
• M51: 39,914,657 km (0.075 R)
• M52: 40,240,481 km (0.085 R)
• M53: 40,567,053 km (0.083 R)
• M54: 40,785,167 km (0.088 R)
• M55: 42,877,592 km (0.078 R)
• M56: 43,545,547 km (0.032 R)
• M57: 45,343,563 km (0.102 R)
• M58: 46,251,622 km (0.106 R)
• M59: 46,936,631 km (0.119 R)
• M60: 49,593,489 km (0.103 R)
• M61: 50,411,640 km (0.114 R)
• M62: 52,298,668 km (0.105 R)
• M63: 53,848,801 km (0.106 R)
• M64: 54,088,606 km (0.07 R)
• M65: 55,051,418 km (0.112 R)
• M66: 56,141,388 km (0.114 R)
• M67: 56,749,952 km (0.089 R)
• M68: 58,465,541 km (0.1 R)
• M69: 59,577,502 km (0.107 R)
• M70: 60,322,649 km (0.113 R)
• M71: 61,947,730 km (0.112 R)
• M72: 62,073,243 km (0.093 R)
• M73: 64,348,626 km (0.06 R)
• M74: 67,166,302 km (0.085 R)
• M75: 67,812,266 km (0.077 R)
• M76: 68,330,623 km (0.105 R)
• M77: 69,632,124 km (0.052 R)
• M78: 70,547,962 km (0.102 R)
• M79: 74,384,699 km (0.079 R)
• M80: 75,186,843 km (0.066 R)
• M81: 76,799,956 km (0.06 R)
• M82: 77,881,549 km (0.103 R)
• M83: 79,240,795 km (0.083 R)
• M84: 87,277,043 km (0.075 R)
• M85: 88,688,499 km (0.114 R)
• M86: 90,250,002 km (0.107 R)
• M87: 91,820,331 km (0.08 R)
• M88: 92,106,960 km (0.053 R)
• M89: 93,688,060 km (0.098 R)
• M90: 94,698,893 km (0.095 R)
• M91: 94,843,554 km (0.064 R)
• M92: 96,149,095 km (0.105 R)
• M93: 96,585,621 km (0.084 R)
• M94: 97,460,769 km (0.118 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 251 - 17,733 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit