🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.2

Radius: 13.8

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.55 AU - 0.87 AU

Year: 392 Days

Day: 9.3 Hours

Environment

Temp: -131 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 73,456,998 km

• M1: 171,589 km (0.066 R)
• M2: 724,054 km (0.052 R)
• M3: 1,491,940 km (0.074 R)
• M4: 2,022,114 km (0.098 R)
• M5: 2,703,533 km (0.102 R)
• M6: 3,314,341 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 262.4

Radius: 14.9

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.63 AU - 0.89 AU

Year: 435 Days

Day: 10.9 Hours

Environment

Temp: -139 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 73,456,998 km

• M1: 185,501 km (0.112 R)
• M2: 1,052,720 km (0.117 R)
• M3: 1,640,640 km (0.092 R)
• M4: 2,341,506 km (0.107 R)
• M5: 2,850,587 km (0.111 R)
• M6: 3,594,837 km (0.069 R)
• M7: 4,229,730 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16

Radius: 11.6

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.8 AU - 0.84 AU

Year: 487 Days

Day: 8.3 Hours

Environment

Temp: -138 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 73,456,998 km

• M1: 166,652 km (0.071 R)
• M2: 721,660 km (0.06 R)
• M3: 1,307,037 km (0.101 R)
• M4: 1,748,051 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.4

Radius: 9.3

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.93 AU - 0.99 AU

Year: 617 Days

Day: 7.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,456,998 km

• M1: 115,639 km (0.095 R)
• M2: 423,512 km (0.052 R)
• M3: 823,087 km (0.041 R)
• M4: 1,216,829 km (0.095 R)
• M5: 1,720,525 km (0.108 R)
• M6: 2,367,087 km (0.074 R)
• M7: 2,712,658 km (0.108 R)
• M8: 4,112,146 km (0.093 R)
• M9: 4,530,422 km (0.106 R)
• M10: 4,902,921 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.4

Radius: 14.6

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.83 AU - 1.21 AU

Year: 676 Days

Day: 13.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,456,998 km

• M1: 181,612 km (0.097 R)
• M2: 840,590 km (0.099 R)
• M3: 2,043,657 km (0.118 R)
• M4: 2,514,591 km (0.094 R)
• M5: 3,626,851 km (0.103 R)
• M6: 4,326,670 km (0.12 R)
• M7: 4,825,429 km (0.106 R)
• M8: 5,380,886 km (0.068 R)
• M9: 6,017,574 km (0.101 R)
• M10: 6,916,059 km (0.076 R)
• M11: 7,397,914 km (0.081 R)
• M12: 7,902,358 km (0.096 R)

Asteroid Belt

Center: 2.46 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.8

Radius: 11.9

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.71 AU - 4.09 AU

Year: 5052 Days

Day: 6.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 73,456,998 km

• M1: 148,102 km (0.107 R)
• M2: 549,473 km (0.106 R)
• M3: 1,253,481 km (0.068 R)
• M4: 1,625,381 km (0.06 R)
• M5: 2,115,763 km (0.049 R)
• M6: 3,239,841 km (0.04 R)
• M7: 4,071,306 km (0.098 R)
• M8: 5,395,098 km (0.095 R)
• M9: 5,855,261 km (0.096 R)
• M10: 6,756,588 km (0.113 R)
• M11: 8,448,540 km (0.07 R)
• M12: 8,991,430 km (0.108 R)
• M13: 9,723,562 km (0.119 R)
• M14: 10,716,294 km (0.063 R)
• M15: 11,633,478 km (0.119 R)
• M16: 12,257,302 km (0.093 R)
• M17: 16,598,482 km (0.11 R)
• M18: 17,143,467 km (0.073 R)
• M19: 17,825,633 km (0.053 R)
• M20: 19,443,534 km (0.105 R)
• M21: 20,737,107 km (0.102 R)
• M22: 21,654,591 km (0.075 R)
• M23: 24,028,410 km (0.12 R)
• M24: 25,198,864 km (0.119 R)
• M25: 25,677,577 km (0.09 R)
• M26: 26,570,826 km (0.046 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.2

Radius: 14.6

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.88 AU - 6.56 AU

Year: 8974 Days

Day: 9.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,456,998 km

• M1: 182,509 km (0.091 R)
• M2: 938,727 km (0.099 R)
• M3: 1,441,226 km (0.118 R)
• M4: 2,327,144 km (0.084 R)
• M5: 2,805,110 km (0.12 R)
• M6: 3,864,562 km (0.091 R)
• M7: 4,968,444 km (0.079 R)
• M8: 6,238,979 km (0.079 R)
• M9: 10,599,608 km (0.111 R)
• M10: 12,201,053 km (0.115 R)
• M11: 12,806,475 km (0.076 R)
• M12: 13,722,912 km (0.08 R)
• M13: 14,867,635 km (0.032 R)
• M14: 16,271,461 km (0.093 R)
• M15: 16,938,069 km (0.101 R)
• M16: 18,540,562 km (0.076 R)
• M17: 19,788,657 km (0.116 R)
• M18: 20,548,464 km (0.098 R)
• M19: 24,125,499 km (0.071 R)
• M20: 24,993,017 km (0.066 R)
• M21: 27,252,693 km (0.091 R)
• M22: 28,480,143 km (0.077 R)
• M23: 29,941,864 km (0.071 R)
• M24: 32,279,630 km (0.049 R)
• M25: 33,760,948 km (0.113 R)
• M26: 34,736,775 km (0.105 R)
• M27: 39,184,170 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 392.5

Radius: 4.3

Gravity: 21.23 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 5.98 AU - 6.42 AU

Year: 10127 Days

Day: 17.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 73,456,998 km

• M1: 53,556 km (0.082 R)
• M2: 211,681 km (0.089 R)
• M3: 547,678 km (0.065 R)
• M4: 766,390 km (0.085 R)
• M5: 1,481,318 km (0.115 R)
• M6: 2,167,972 km (0.094 R)
• M7: 2,306,201 km (0.038 R)
• M8: 3,241,337 km (0.12 R)
• M9: 3,422,650 km (0.118 R)
• M10: 4,059,039 km (0.097 R)
• M11: 4,405,208 km (0.12 R)
• M12: 5,562,198 km (0.094 R)
• M13: 6,834,229 km (0.1 R)
• M14: 7,019,880 km (0.118 R)
• M15: 10,368,628 km (0.109 R)
• M16: 11,218,045 km (0.044 R)
• M17: 11,476,401 km (0.099 R)
• M18: 12,494,863 km (0.117 R)
• M19: 12,828,616 km (0.12 R)
• M20: 15,081,709 km (0.061 R)
• M21: 15,396,613 km (0.105 R)
• M22: 16,235,558 km (0.058 R)
• M23: 16,834,099 km (0.037 R)
• M24: 21,126,361 km (0.081 R)
• M25: 23,313,033 km (0.052 R)
• M26: 24,851,797 km (0.107 R)
• M27: 26,275,220 km (0.075 R)
• M28: 28,319,924 km (0.106 R)
• M29: 30,668,910 km (0.079 R)
• M30: 31,684,829 km (0.059 R)
• M31: 33,676,575 km (0.083 R)
• M32: 35,750,151 km (0.087 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 320.8

Radius: 4.4

Gravity: 16.57 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 7.6 AU - 8.94 AU

Year: 15602 Days

Day: 16.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,456,998 km

• M1: 54,753 km (0.089 R)
• M2: 216,917 km (0.1 R)
• M3: 403,166 km (0.115 R)
• M4: 1,006,794 km (0.078 R)
• M5: 1,164,470 km (0.113 R)
• M6: 1,487,900 km (0.08 R)
• M7: 1,647,970 km (0.085 R)
• M8: 1,918,293 km (0.099 R)
• M9: 2,144,485 km (0.06 R)
• M10: 2,734,799 km (0.084 R)
• M11: 4,286,428 km (0.085 R)
• M12: 6,420,142 km (0.07 R)
• M13: 6,573,181 km (0.111 R)
• M14: 8,285,927 km (0.114 R)
• M15: 12,922,114 km (0.113 R)
• M16: 13,166,408 km (0.098 R)
• M17: 19,432,315 km (0.081 R)
• M18: 21,324,877 km (0.038 R)
• M19: 28,653,827 km (0.107 R)
• M20: 33,792,513 km (0.108 R)
• M21: 37,251,216 km (0.075 R)
• M22: 40,156,706 km (0.091 R)
• M23: 42,130,650 km (0.062 R)
• M24: 44,030,692 km (0.071 R)
• M25: 45,281,779 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977

Radius: 6.3

Gravity: 24.62 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 6.93 AU - 9.81 AU

Year: 15885 Days

Day: 21.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 73,456,998 km

• M1: 78,389 km (0.102 R)
• M2: 279,748 km (0.08 R)
• M3: 513,420 km (0.048 R)
• M4: 1,368,073 km (0.118 R)
• M5: 1,759,121 km (0.099 R)
• M6: 2,099,457 km (0.109 R)
• M7: 2,574,131 km (0.103 R)
• M8: 2,886,790 km (0.082 R)
• M9: 3,388,990 km (0.048 R)
• M10: 9,305,885 km (0.095 R)
• M11: 9,697,981 km (0.083 R)
• M12: 9,927,016 km (0.093 R)
• M13: 10,940,990 km (0.085 R)
• M14: 11,377,965 km (0.107 R)
• M15: 15,302,516 km (0.042 R)
• M16: 16,898,276 km (0.119 R)
• M17: 17,482,007 km (0.119 R)
• M18: 17,993,033 km (0.118 R)
• M19: 19,677,057 km (0.085 R)
• M20: 20,604,264 km (0.109 R)
• M21: 23,252,895 km (0.091 R)
• M22: 25,572,260 km (0.1 R)
• M23: 27,352,774 km (0.096 R)
• M24: 35,710,059 km (0.091 R)
• M25: 40,241,678 km (0.072 R)
• M26: 47,900,341 km (0.096 R)
• M27: 49,574,191 km (0.116 R)
• M28: 50,254,562 km (0.089 R)
• M29: 53,038,279 km (0.11 R)
• M30: 55,556,909 km (0.117 R)
• M31: 56,475,440 km (0.113 R)
• M32: 59,673,992 km (0.077 R)
• M33: 63,990,040 km (0.09 R)
• M34: 68,930,510 km (0.092 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 316 - 15,435 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit