🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430

Radius: 14.8

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.77 AU - 0.81 AU

Year: 446 Days

Day: 13.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 91,053,691 km

• M1: 184,305 km (0.089 R)
• M2: 697,874 km (0.074 R)
• M3: 1,171,052 km (0.09 R)
• M4: 1,655,450 km (0.047 R)
• M5: 2,319,216 km (0.072 R)
• M6: 2,880,507 km (0.091 R)
• M7: 3,498,047 km (0.099 R)
• M8: 4,177,670 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.2

Radius: 10.5

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.87 AU - 1.23 AU

Year: 684 Days

Day: 6.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,053,691 km

• M1: 131,646 km (0.093 R)
• M2: 535,560 km (0.103 R)
• M3: 899,233 km (0.051 R)
• M4: 1,382,135 km (0.102 R)
• M5: 1,876,256 km (0.061 R)
• M6: 2,324,601 km (0.115 R)
• M7: 2,807,653 km (0.03 R)
• M8: 3,579,129 km (0.098 R)
• M9: 4,037,946 km (0.104 R)
• M10: 4,436,474 km (0.102 R)
• M11: 4,808,674 km (0.12 R)
• M12: 5,146,915 km (0.073 R)
• M13: 5,655,099 km (0.089 R)
• M14: 6,175,849 km (0.076 R)
• M15: 7,061,767 km (0.096 R)
• M16: 7,932,128 km (0.112 R)
• M17: 8,663,063 km (0.064 R)

Asteroid Belt

Center: 1.32 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.2

Radius: 13.2

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.38 AU - 1.8 AU

Year: 1275 Days

Day: 8.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 91,053,691 km

• M1: 164,109 km (0.093 R)
• M2: 593,904 km (0.101 R)
• M3: 1,122,134 km (0.075 R)
• M4: 2,110,976 km (0.074 R)
• M5: 2,554,234 km (0.08 R)
• M6: 2,991,808 km (0.058 R)
• M7: 3,727,381 km (0.037 R)
• M8: 4,224,793 km (0.12 R)
• M9: 4,635,888 km (0.069 R)
• M10: 5,313,268 km (0.076 R)
• M11: 5,793,776 km (0.061 R)
• M12: 6,441,086 km (0.079 R)
• M13: 6,866,692 km (0.086 R)
• M14: 7,880,666 km (0.112 R)
• M15: 8,396,031 km (0.112 R)
• M16: 8,933,985 km (0.114 R)
• M17: 9,646,370 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947

Radius: 13.1

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.53 AU - 5.11 AU

Year: 5709 Days

Day: 10.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 91,053,691 km

• M1: 162,912 km (0.065 R)
• M2: 574,157 km (0.111 R)
• M3: 1,442,123 km (0.062 R)
• M4: 1,855,612 km (0.097 R)
• M5: 2,740,035 km (0.062 R)
• M6: 4,059,039 km (0.042 R)
• M7: 5,218,423 km (0.098 R)
• M8: 5,765,053 km (0.099 R)
• M9: 6,622,249 km (0.059 R)
• M10: 7,227,372 km (0.075 R)
• M11: 7,869,297 km (0.065 R)
• M12: 8,839,888 km (0.088 R)
• M13: 9,442,019 km (0.076 R)
• M14: 10,117,454 km (0.118 R)
• M15: 13,146,511 km (0.094 R)
• M16: 13,761,209 km (0.102 R)
• M17: 17,126,563 km (0.051 R)
• M18: 19,105,593 km (0.11 R)
• M19: 22,001,957 km (0.051 R)
• M20: 23,923,093 km (0.077 R)
• M21: 26,921,932 km (0.06 R)
• M22: 34,490,537 km (0.03 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.6

Radius: 10.8

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.11 AU - 4.99 AU

Year: 6171 Days

Day: 12.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 91,053,691 km

• M1: 134,339 km (0.05 R)
• M2: 502,499 km (0.105 R)
• M3: 878,140 km (0.118 R)
• M4: 1,707,510 km (0.096 R)
• M5: 2,778,332 km (0.118 R)
• M6: 3,895,977 km (0.099 R)
• M7: 5,443,717 km (0.106 R)
• M8: 6,118,703 km (0.09 R)
• M9: 6,884,793 km (0.091 R)
• M10: 7,990,920 km (0.112 R)
• M11: 8,481,750 km (0.103 R)
• M12: 9,079,843 km (0.038 R)
• M13: 9,434,091 km (0.046 R)
• M14: 10,456,143 km (0.06 R)
• M15: 10,845,696 km (0.079 R)
• M16: 11,396,964 km (0.046 R)
• M17: 12,996,016 km (0.092 R)
• M18: 15,416,659 km (0.103 R)
• M19: 16,178,411 km (0.075 R)
• M20: 16,898,725 km (0.076 R)
• M21: 18,192,896 km (0.094 R)
• M22: 19,333,131 km (0.109 R)
• M23: 20,219,199 km (0.116 R)
• M24: 21,442,312 km (0.113 R)
• M25: 21,913,395 km (0.099 R)
• M26: 23,451,261 km (0.115 R)
• M27: 27,562,360 km (0.057 R)
• M28: 31,319,511 km (0.061 R)
• M29: 32,130,481 km (0.113 R)
• M30: 37,066,762 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 472.5

Radius: 7.7

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 7.65 AU - 8.13 AU

Year: 14091 Days

Day: 20 Hours

Environment

Temp: -218 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 91,053,691 km

• M1: 104,120 km (0.05 R)
• M2: 390,450 km (0.112 R)
• M3: 750,682 km (0.103 R)
• M4: 1,029,682 km (0.043 R)
• M5: 1,391,709 km (0.089 R)
• M6: 1,709,604 km (0.057 R)
• M7: 1,988,006 km (0.048 R)
• M8: 2,373,969 km (0.078 R)
• M9: 2,658,354 km (0.11 R)
• M10: 4,004,436 km (0.106 R)
• M11: 4,746,591 km (0.079 R)
• M12: 5,577,308 km (0.077 R)
• M13: 9,179,475 km (0.108 R)
• M14: 9,477,324 km (0.103 R)
• M15: 10,303,105 km (0.053 R)
• M16: 10,788,250 km (0.118 R)
• M17: 12,038,290 km (0.114 R)
• M18: 12,637,430 km (0.117 R)
• M19: 15,441,642 km (0.072 R)
• M20: 18,010,686 km (0.103 R)
• M21: 19,599,864 km (0.117 R)
• M22: 19,928,680 km (0.108 R)
• M23: 20,344,712 km (0.111 R)
• M24: 23,605,796 km (0.058 R)
• M25: 25,603,526 km (0.098 R)
• M26: 29,286,177 km (0.08 R)
• M27: 32,383,451 km (0.062 R)
• M28: 32,843,165 km (0.115 R)
• M29: 34,248,039 km (0.1 R)
• M30: 35,692,706 km (0.109 R)
• M31: 38,702,764 km (0.108 R)
• M32: 46,230,978 km (0.096 R)
• M33: 51,497,421 km (0.067 R)
• M34: 52,280,865 km (0.03 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 887.9

Radius: 4.7

Gravity: 40.19 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 8.83 AU - 13.39 AU

Year: 23545 Days

Day: 15.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 91,053,691 km

• M1: 58,493 km (0.108 R)
• M2: 402,717 km (0.063 R)
• M3: 571,015 km (0.094 R)
• M4: 1,083,537 km (0.026 R)
• M5: 1,720,974 km (0.115 R)
• M6: 2,865,996 km (0.096 R)
• M7: 3,059,127 km (0.116 R)
• M8: 4,740,757 km (0.108 R)
• M9: 5,130,758 km (0.073 R)
• M10: 5,333,613 km (0.093 R)
• M11: 5,584,040 km (0.103 R)
• M12: 5,886,227 km (0.071 R)
• M13: 9,233,181 km (0.091 R)
• M14: 9,655,645 km (0.101 R)
• M15: 10,345,441 km (0.057 R)
• M16: 11,963,342 km (0.077 R)
• M17: 15,437,902 km (0.101 R)
• M18: 20,125,102 km (0.106 R)
• M19: 20,427,140 km (0.057 R)
• M20: 21,247,236 km (0.098 R)
• M21: 25,561,788 km (0.102 R)
• M22: 26,393,253 km (0.077 R)
• M23: 28,235,701 km (0.075 R)
• M24: 29,381,321 km (0.075 R)
• M25: 31,900,998 km (0.091 R)
• M26: 34,131,502 km (0.098 R)
• M27: 37,063,022 km (0.105 R)
• M28: 37,365,060 km (0.08 R)
• M29: 38,900,234 km (0.05 R)
• M30: 47,921,434 km (0.116 R)
• M31: 49,915,424 km (0.091 R)
• M32: 54,262,140 km (0.11 R)
• M33: 55,831,272 km (0.088 R)
• M34: 56,427,419 km (0.112 R)
• M35: 57,632,430 km (0.045 R)
• M36: 57,834,986 km (0.087 R)
• M37: 58,854,495 km (0.082 R)
• M38: 75,375,486 km (0.044 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 763.7

Radius: 3.2

Gravity: 74.58 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 9.81 AU - 13.19 AU

Year: 24796 Days

Day: 22.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 91,053,691 km

• M1: 39,793 km (0.101 R)
• M2: 205,099 km (0.118 R)
• M3: 433,983 km (0.096 R)
• M4: 812,466 km (0.078 R)
• M5: 982,708 km (0.074 R)
• M6: 1,621,043 km (0.096 R)
• M7: 1,811,331 km (0.1 R)
• M8: 1,932,655 km (0.114 R)
• M9: 2,352,726 km (0.108 R)
• M10: 2,994,201 km (0.086 R)
• M11: 5,691,750 km (0.101 R)
• M12: 5,908,518 km (0.062 R)
• M13: 7,428,581 km (0.098 R)
• M14: 9,014,768 km (0.116 R)
• M15: 9,549,580 km (0.084 R)
• M16: 9,732,389 km (0.117 R)
• M17: 10,358,905 km (0.113 R)
• M18: 10,487,409 km (0.041 R)
• M19: 10,813,233 km (0.096 R)
• M20: 11,078,620 km (0.102 R)
• M21: 14,772,939 km (0.099 R)
• M22: 17,073,007 km (0.073 R)
• M23: 17,252,225 km (0.079 R)
• M24: 19,600,612 km (0.074 R)
• M25: 26,805,096 km (0.083 R)
• M26: 28,657,417 km (0.102 R)
• M27: 29,165,451 km (0.042 R)
• M28: 29,550,367 km (0.119 R)
• M29: 32,340,217 km (0.115 R)
• M30: 33,447,541 km (0.081 R)
• M31: 33,587,714 km (0.088 R)
• M32: 34,152,296 km (0.111 R)
• M33: 36,178,300 km (0.039 R)
• M34: 41,590,602 km (0.039 R)
• M35: 50,405,806 km (0.101 R)
• M36: 65,070,735 km (0.12 R)
• M37: 70,911,186 km (0.077 R)
• M38: 72,306,934 km (0.103 R)
• M39: 74,913,079 km (0.078 R)
• M40: 78,072,885 km (0.082 R)
• M41: 78,319,572 km (0.099 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 344 - 11,322 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit