🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.55 AU - 0.73 AU

Year: 331 Days

Day: 13.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 41.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,238,104 km

• M1: 451,636 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.6

Radius: 13.2

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.65 AU - 0.79 AU

Year: 394 Days

Day: 9 Hours

Environment

Temp: -150 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,238,104 km

• M1: 164,258 km (0.118 R)
• M2: 599,139 km (0.099 R)
• M3: 1,088,624 km (0.09 R)
• M4: 1,733,091 km (0.069 R)
• M5: 2,260,274 km (0.108 R)
• M6: 3,143,799 km (0.111 R)
• M7: 3,710,326 km (0.095 R)
• M8: 4,197,417 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.1

Radius: 11.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.69 AU - 0.83 AU

Year: 428 Days

Day: 7.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 47,238,104 km

• M1: 145,559 km (0.074 R)
• M2: 555,307 km (0.048 R)
• M3: 955,482 km (0.113 R)
• M4: 1,377,348 km (0.093 R)
• M5: 2,301,713 km (0.12 R)
• M6: 3,009,311 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.8

Radius: 12.3

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.71 AU - 1.83 AU

Year: 1520 Days

Day: 7 Hours

Environment

Temp: -176 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,238,104 km

• M1: 153,039 km (0.066 R)
• M2: 562,189 km (0.119 R)
• M3: 947,553 km (0.082 R)
• M4: 1,387,371 km (0.114 R)
• M5: 2,055,325 km (0.033 R)
• M6: 3,297,287 km (0.08 R)
• M7: 3,731,719 km (0.091 R)
• M8: 4,882,575 km (0.075 R)
• M9: 5,449,551 km (0.074 R)
• M10: 5,867,528 km (0.087 R)
• M11: 6,689,718 km (0.113 R)
• M12: 7,279,582 km (0.117 R)
• M13: 7,701,448 km (0.119 R)
• M14: 8,289,368 km (0.042 R)
• M15: 8,718,714 km (0.099 R)
• M16: 9,857,153 km (0.104 R)
• M17: 10,622,047 km (0.082 R)
• M18: 12,467,786 km (0.028 R)
• M19: 13,279,504 km (0.115 R)
• M20: 14,518,773 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.9

Radius: 14.5

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.99 AU - 2.37 AU

Year: 2078 Days

Day: 11.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 47,238,104 km

• M1: 180,864 km (0.062 R)
• M2: 664,963 km (0.062 R)
• M3: 1,376,151 km (0.057 R)
• M4: 2,285,706 km (0.104 R)
• M5: 2,915,064 km (0.115 R)
• M6: 3,391,833 km (0.099 R)
• M7: 4,297,498 km (0.115 R)
• M8: 4,830,216 km (0.115 R)
• M9: 8,285,777 km (0.086 R)
• M10: 10,258,076 km (0.076 R)
• M11: 13,000,653 km (0.103 R)
• M12: 16,867,010 km (0.097 R)
• M13: 18,697,639 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.4

Radius: 9.5

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.75 AU - 2.91 AU

Year: 2296 Days

Day: 6.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,238,104 km

• M1: 118,482 km (0.109 R)
• M2: 689,048 km (0.103 R)
• M3: 1,006,046 km (0.067 R)
• M4: 1,319,752 km (0.083 R)
• M5: 1,722,021 km (0.096 R)
• M6: 2,114,416 km (0.102 R)
• M7: 3,444,192 km (0.085 R)
• M8: 3,854,838 km (0.101 R)
• M9: 4,214,920 km (0.091 R)
• M10: 5,262,554 km (0.059 R)
• M11: 6,095,964 km (0.042 R)
• M12: 6,530,545 km (0.116 R)
• M13: 7,014,794 km (0.11 R)
• M14: 8,413,085 km (0.045 R)
• M15: 9,443,066 km (0.06 R)
• M16: 11,383,800 km (0.092 R)
• M17: 12,904,761 km (0.118 R)
• M18: 14,700,384 km (0.117 R)
• M19: 15,433,414 km (0.103 R)
• M20: 18,780,666 km (0.041 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378

Radius: 12.5

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.79 AU - 6.91 AU

Year: 9136 Days

Day: 10.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,238,104 km

• M1: 155,432 km (0.09 R)
• M2: 658,679 km (0.052 R)
• M3: 1,101,788 km (0.108 R)
• M4: 1,492,239 km (0.071 R)
• M5: 2,275,384 km (0.112 R)
• M6: 4,412,988 km (0.104 R)
• M7: 4,959,319 km (0.065 R)
• M8: 5,736,929 km (0.068 R)
• M9: 6,733,550 km (0.054 R)
• M10: 7,273,448 km (0.062 R)
• M11: 7,803,324 km (0.114 R)
• M12: 11,291,797 km (0.109 R)
• M13: 11,797,138 km (0.116 R)
• M14: 14,791,789 km (0.103 R)
• M15: 15,336,175 km (0.092 R)
• M16: 16,400,714 km (0.115 R)
• M17: 17,380,430 km (0.114 R)
• M18: 25,019,496 km (0.072 R)
• M19: 26,141,630 km (0.088 R)
• M20: 29,519,250 km (0.103 R)
• M21: 33,383,363 km (0.085 R)
• M22: 34,006,438 km (0.106 R)
• M23: 36,576,380 km (0.062 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 145.2

Radius: 10.5

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.41 AU - 6.47 AU

Year: 9347 Days

Day: 12.4 Hours

Environment

Temp: -219 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 47,238,104 km

• M1: 137,032 km (0.086 R)
• M2: 570,865 km (0.086 R)
• M3: 2,060,112 km (0.086 R)
• M4: 4,630,054 km (0.11 R)
• M5: 8,832,408 km (0.118 R)
• M6: 16,536,848 km (0.037 R)
• M7: 17,790,777 km (0.058 R)
• M8: 19,821,718 km (0.045 R)
• M9: 21,373,796 km (0.102 R)
• M10: 24,794,800 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.5

Radius: 5.8

Gravity: 25.94 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 4.93 AU - 7.37 AU

Year: 9848 Days

Day: 22.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 47,238,104 km

• M1: 72,106 km (0.09 R)
• M2: 290,519 km (0.106 R)
• M3: 508,184 km (0.116 R)
• M4: 1,094,308 km (0.049 R)
• M5: 1,472,641 km (0.083 R)
• M6: 2,072,978 km (0.096 R)
• M7: 2,508,457 km (0.098 R)
• M8: 3,002,878 km (0.071 R)
• M9: 3,716,310 km (0.105 R)
• M10: 4,358,085 km (0.076 R)
• M11: 4,628,409 km (0.105 R)
• M12: 5,895,054 km (0.108 R)
• M13: 6,725,621 km (0.078 R)
• M14: 10,512,841 km (0.026 R)
• M15: 12,371,295 km (0.047 R)
• M16: 12,791,964 km (0.084 R)
• M17: 13,535,167 km (0.111 R)
• M18: 16,943,455 km (0.116 R)
• M19: 17,312,812 km (0.097 R)
• M20: 20,883,264 km (0.118 R)
• M21: 21,479,412 km (0.098 R)
• M22: 21,738,366 km (0.12 R)
• M23: 25,586,023 km (0.094 R)
• M24: 27,163,682 km (0.048 R)
• M25: 28,079,221 km (0.092 R)
• M26: 31,058,463 km (0.079 R)
• M27: 33,542,386 km (0.101 R)
• M28: 38,645,917 km (0.082 R)
• M29: 40,455,752 km (0.093 R)
• M30: 41,381,613 km (0.098 R)
• M31: 41,782,685 km (0.085 R)
• M32: 44,243,720 km (0.101 R)
• M33: 46,223,348 km (0.066 R)
• M34: 47,819,558 km (0.081 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 302.6

Radius: 7.4

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 6.71 AU - 9.37 AU

Year: 14720 Days

Day: 19.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 47,238,104 km

• M1: 92,003 km (0.094 R)
• M2: 357,988 km (0.103 R)
• M3: 785,389 km (0.088 R)
• M4: 1,510,191 km (0.053 R)
• M5: 2,273,439 km (0.078 R)
• M6: 3,154,869 km (0.111 R)
• M7: 3,413,225 km (0.116 R)
• M8: 4,135,633 km (0.079 R)
• M9: 5,112,956 km (0.117 R)
• M10: 6,721,133 km (0.115 R)
• M11: 7,352,137 km (0.119 R)
• M12: 11,382,752 km (0.119 R)
• M13: 11,993,411 km (0.095 R)
• M14: 12,567,268 km (0.103 R)
• M15: 13,894,201 km (0.08 R)
• M16: 15,312,090 km (0.098 R)
• M17: 15,647,339 km (0.095 R)
• M18: 16,682,556 km (0.066 R)
• M19: 17,984,058 km (0.063 R)
• M20: 18,583,795 km (0.086 R)
• M21: 20,061,374 km (0.033 R)
• M22: 23,602,654 km (0.077 R)
• M23: 25,333,502 km (0.094 R)
• M24: 26,182,021 km (0.114 R)
• M25: 30,605,630 km (0.1 R)
• M26: 36,208,818 km (0.106 R)
• M27: 36,804,068 km (0.116 R)
• M28: 39,752,792 km (0.111 R)
• M29: 40,132,172 km (0.105 R)
• M30: 41,934,378 km (0.098 R)
• M31: 43,789,840 km (0.104 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 17,428 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit