🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.8

Radius: 9

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.49 AU - 0.63 AU

Year: 289 Days

Day: 10.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,326,196 km

• M1: 111,899 km (0.032 R)
• M2: 551,867 km (0.111 R)
• M3: 961,765 km (0.033 R)
• M4: 1,243,158 km (0.098 R)
• M5: 1,585,887 km (0.088 R)
• M6: 1,998,179 km (0.093 R)
• M7: 2,563,659 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.5

Radius: 13.6

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.71 AU - 0.95 AU

Year: 522 Days

Day: 10.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,326,196 km

• M1: 169,195 km (0.112 R)
• M2: 622,926 km (0.047 R)
• M3: 1,212,940 km (0.082 R)
• M4: 1,748,201 km (0.074 R)
• M5: 2,303,059 km (0.116 R)
• M6: 2,795,386 km (0.108 R)
• M7: 3,346,205 km (0.059 R)
• M8: 3,995,610 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 924.4

Radius: 12.4

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.82 AU - 1.26 AU

Year: 732 Days

Day: 5.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,326,196 km

• M1: 154,235 km (0.104 R)
• M2: 604,824 km (0.103 R)
• M3: 1,070,672 km (0.072 R)
• M4: 1,503,608 km (0.118 R)
• M5: 2,213,151 km (0.112 R)
• M6: 2,657,606 km (0.114 R)
• M7: 3,744,136 km (0.082 R)
• M8: 4,682,713 km (0.097 R)
• M9: 6,013,086 km (0.081 R)
• M10: 6,558,670 km (0.101 R)
• M11: 7,486,326 km (0.028 R)
• M12: 8,118,527 km (0.078 R)
• M13: 8,681,164 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.3

Radius: 11.4

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.99 AU - 1.29 AU

Year: 840 Days

Day: 13.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,326,196 km

• M1: 141,819 km (0.093 R)
• M2: 687,851 km (0.112 R)
• M3: 1,086,679 km (0.115 R)
• M4: 1,453,792 km (0.063 R)
• M5: 1,905,428 km (0.03 R)
• M6: 2,608,089 km (0.09 R)
• M7: 3,071,693 km (0.12 R)
• M8: 3,604,411 km (0.082 R)
• M9: 4,150,294 km (0.065 R)
• M10: 4,629,456 km (0.097 R)
• M11: 5,660,035 km (0.045 R)
• M12: 6,146,079 km (0.071 R)
• M13: 6,726,070 km (0.081 R)
• M14: 7,109,788 km (0.118 R)
• M15: 9,335,655 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.2

Radius: 10.6

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.34 AU - 1.38 AU

Year: 1095 Days

Day: 14.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 75.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,326,196 km

• M1: 132,245 km (0.114 R)
• M2: 507,286 km (0.071 R)
• M3: 1,091,765 km (0.099 R)
• M4: 1,421,928 km (0.06 R)
• M5: 2,588,642 km (0.089 R)
• M6: 2,923,142 km (0.058 R)
• M7: 3,443,593 km (0.096 R)
• M8: 3,897,473 km (0.058 R)
• M9: 4,390,847 km (0.074 R)
• M10: 4,797,005 km (0.117 R)
• M11: 6,454,251 km (0.109 R)
• M12: 7,388,340 km (0.096 R)
• M13: 7,913,578 km (0.108 R)
• M14: 8,983,053 km (0.05 R)
• M15: 9,965,761 km (0.11 R)

Asteroid Belt

Center: 2.17 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.8

Radius: 13

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.35 AU - 3.61 AU

Year: 3551 Days

Day: 14.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,326,196 km

• M1: 161,715 km (0.078 R)
• M2: 566,826 km (0.106 R)
• M3: 1,008,140 km (0.052 R)
• M4: 1,441,675 km (0.028 R)
• M5: 2,241,724 km (0.05 R)
• M6: 2,693,510 km (0.079 R)
• M7: 3,487,276 km (0.095 R)
• M8: 4,023,584 km (0.068 R)
• M9: 5,106,823 km (0.073 R)
• M10: 6,046,447 km (0.12 R)
• M11: 6,663,538 km (0.043 R)
• M12: 7,874,533 km (0.119 R)
• M13: 10,474,394 km (0.065 R)
• M14: 11,138,758 km (0.098 R)
• M15: 13,644,523 km (0.11 R)
• M16: 16,163,601 km (0.045 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 222.4

Radius: 3

Gravity: 24.71 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.54 AU - 7.18 AU

Year: 9792 Days

Day: 21.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 36,326,196 km

• M1: 37,250 km (0.108 R)
• M2: 144,661 km (0.102 R)
• M3: 270,623 km (0.093 R)
• M4: 556,504 km (0.106 R)
• M5: 1,100,592 km (0.117 R)
• M6: 1,312,572 km (0.049 R)
• M7: 1,789,789 km (0.111 R)
• M8: 2,528,204 km (0.076 R)
• M9: 2,635,166 km (0.113 R)
• M10: 4,117,681 km (0.078 R)
• M11: 4,573,506 km (0.077 R)
• M12: 4,840,837 km (0.085 R)
• M13: 5,614,408 km (0.099 R)
• M14: 5,796,917 km (0.101 R)
• M15: 5,983,466 km (0.074 R)
• M16: 6,335,619 km (0.077 R)
• M17: 8,463,799 km (0.101 R)
• M18: 11,310,646 km (0.051 R)
• M19: 11,552,995 km (0.064 R)
• M20: 11,749,267 km (0.099 R)
• M21: 13,562,693 km (0.117 R)
• M22: 14,169,013 km (0.104 R)
• M23: 17,345,424 km (0.06 R)
• M24: 18,125,128 km (0.107 R)
• M25: 20,176,115 km (0.082 R)
• M26: 21,330,861 km (0.077 R)
• M27: 23,144,287 km (0.115 R)
• M28: 23,691,815 km (0.092 R)
• M29: 24,328,354 km (0.077 R)
• M30: 25,386,609 km (0.09 R)
• M31: 27,247,008 km (0.073 R)
• M32: 28,121,707 km (0.107 R)
• M33: 32,485,327 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193

Radius: 4.2

Gravity: 10.94 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 5.56 AU - 8.18 AU

Year: 12429 Days

Day: 24.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 36,326,196 km

• M1: 55,800 km (0.079 R)
• M2: 397,781 km (0.074 R)
• M3: 541,245 km (0.071 R)
• M4: 806,632 km (0.103 R)
• M5: 983,456 km (0.082 R)
• M6: 1,391,709 km (0.108 R)
• M7: 1,816,118 km (0.034 R)
• M8: 2,122,195 km (0.119 R)
• M9: 2,479,884 km (0.045 R)
• M10: 3,205,882 km (0.1 R)
• M11: 3,559,981 km (0.096 R)
• M12: 4,835,751 km (0.109 R)
• M13: 7,240,088 km (0.118 R)
• M14: 7,502,184 km (0.098 R)
• M15: 8,865,768 km (0.103 R)
• M16: 9,384,125 km (0.09 R)
• M17: 14,870,776 km (0.054 R)
• M18: 15,601,412 km (0.113 R)
• M19: 17,733,780 km (0.049 R)
• M20: 20,346,657 km (0.049 R)
• M21: 21,170,343 km (0.074 R)
• M22: 23,938,801 km (0.112 R)
• M23: 24,603,763 km (0.072 R)
• M24: 28,298,382 km (0.081 R)
• M25: 31,646,233 km (0.07 R)
• M26: 34,192,987 km (0.101 R)
• M27: 36,326,253 km (0.111 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 226 - 13,030 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit