🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.5

Radius: 10.7

Gravity: 7.32 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.6 AU - 1.6 AU

Year: 1307 Days

Day: 12.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,650,110 km

• M1: 135,984 km (0.031 R)
• M2: 503,846 km (0.046 R)
• M3: 1,020,407 km (0.094 R)
• M4: 1,660,836 km (0.084 R)
• M5: 2,089,284 km (0.097 R)
• M6: 2,439,941 km (0.08 R)
• M7: 2,871,382 km (0.116 R)
• M8: 3,478,450 km (0.105 R)
• M9: 4,097,934 km (0.118 R)
• M10: 4,928,951 km (0.033 R)
• M11: 5,535,570 km (0.086 R)
• M12: 5,913,903 km (0.108 R)
• M13: 6,405,182 km (0.099 R)
• M14: 6,999,834 km (0.059 R)
• M15: 7,416,314 km (0.111 R)
• M16: 7,877,076 km (0.095 R)
• M17: 8,385,709 km (0.049 R)
• M18: 8,766,435 km (0.088 R)
• M19: 10,076,613 km (0.114 R)
• M20: 11,019,828 km (0.082 R)
• M21: 11,656,516 km (0.105 R)
• M22: 12,772,217 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.5

Radius: 10.8

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 3.4 AU - 5.52 AU

Year: 6082 Days

Day: 12.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,650,110 km

• M1: 155,582 km (0.101 R)
• M2: 699,819 km (0.084 R)
• M3: 1,090,120 km (0.118 R)
• M4: 2,288,399 km (0.067 R)
• M5: 3,029,506 km (0.054 R)
• M6: 4,346,267 km (0.11 R)
• M7: 6,011,890 km (0.067 R)
• M8: 8,450,335 km (0.114 R)
• M9: 9,381,582 km (0.076 R)
• M10: 10,552,933 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.1

Radius: 9.5

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 4.15 AU - 5.89 AU

Year: 7262 Days

Day: 12.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,650,110 km

• M1: 119,828 km (0.113 R)
• M2: 425,008 km (0.112 R)
• M3: 958,474 km (0.115 R)
• M4: 1,302,848 km (0.119 R)
• M5: 1,630,617 km (0.084 R)
• M6: 2,027,949 km (0.116 R)
• M7: 2,407,927 km (0.098 R)
• M8: 2,871,382 km (0.092 R)
• M9: 3,932,629 km (0.071 R)
• M10: 5,632,061 km (0.111 R)
• M11: 6,515,586 km (0.052 R)
• M12: 8,177,169 km (0.084 R)
• M13: 8,986,344 km (0.083 R)
• M14: 10,147,074 km (0.063 R)
• M15: 11,035,386 km (0.101 R)
• M16: 12,168,740 km (0.057 R)
• M17: 12,663,310 km (0.098 R)
• M18: 20,787,522 km (0.062 R)
• M19: 22,881,742 km (0.108 R)
• M20: 23,483,425 km (0.092 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 372.5

Radius: 3.9

Gravity: 24.49 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 5.23 AU - 7.95 AU

Year: 10923 Days

Day: 15.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,650,110 km

• M1: 48,769 km (0.106 R)
• M2: 416,181 km (0.052 R)
• M3: 1,007,990 km (0.053 R)
• M4: 1,295,218 km (0.114 R)
• M5: 3,436,712 km (0.117 R)
• M6: 3,875,931 km (0.067 R)
• M7: 4,297,049 km (0.099 R)
• M8: 4,490,479 km (0.069 R)
• M9: 4,776,959 km (0.086 R)
• M10: 11,964,539 km (0.046 R)
• M11: 12,127,750 km (0.098 R)
• M12: 13,370,609 km (0.099 R)
• M13: 17,049,221 km (0.055 R)
• M14: 18,750,448 km (0.06 R)
• M15: 19,416,457 km (0.052 R)
• M16: 20,483,838 km (0.077 R)
• M17: 20,874,288 km (0.114 R)
• M18: 22,985,114 km (0.116 R)
• M19: 25,234,019 km (0.074 R)
• M20: 29,366,361 km (0.059 R)
• M21: 32,323,313 km (0.085 R)
• M22: 32,534,246 km (0.114 R)
• M23: 33,927,750 km (0.104 R)
• M24: 36,262,225 km (0.088 R)
• M25: 37,063,620 km (0.102 R)
• M26: 40,265,164 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 661.4

Radius: 7.8

Gravity: 10.87 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 5.53 AU - 7.89 AU

Year: 11223 Days

Day: 17.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 49,650,110 km

• M1: 98,435 km (0.092 R)
• M2: 436,377 km (0.107 R)
• M3: 718,369 km (0.028 R)
• M4: 1,036,564 km (0.103 R)
• M5: 1,291,628 km (0.101 R)
• M6: 2,479,585 km (0.052 R)
• M7: 3,102,959 km (0.09 R)
• M8: 3,414,571 km (0.104 R)
• M9: 3,799,936 km (0.102 R)
• M10: 4,938,974 km (0.048 R)
• M11: 5,744,558 km (0.098 R)
• M12: 6,480,281 km (0.096 R)
• M13: 7,360,514 km (0.103 R)
• M14: 7,742,737 km (0.11 R)
• M15: 11,859,970 km (0.086 R)
• M16: 15,593,783 km (0.084 R)
• M17: 16,153,877 km (0.103 R)
• M18: 17,838,798 km (0.081 R)
• M19: 18,220,123 km (0.107 R)
• M20: 19,236,940 km (0.113 R)
• M21: 19,637,862 km (0.052 R)
• M22: 20,790,214 km (0.107 R)
• M23: 23,501,377 km (0.087 R)
• M24: 23,867,443 km (0.056 R)
• M25: 32,464,832 km (0.069 R)
• M26: 33,608,358 km (0.108 R)
• M27: 40,121,551 km (0.118 R)
• M28: 41,040,081 km (0.119 R)
• M29: 41,438,012 km (0.114 R)
• M30: 42,376,439 km (0.107 R)
• M31: 47,282,651 km (0.06 R)
• M32: 49,646,447 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 144.6

Radius: 6.6

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 6.4 AU - 9.2 AU

Year: 14066 Days

Day: 17.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,650,110 km

• M1: 82,129 km (0.106 R)
• M2: 427,551 km (0.066 R)
• M3: 2,636,962 km (0.116 R)
• M4: 3,471,568 km (0.107 R)
• M5: 4,060,086 km (0.084 R)
• M6: 7,423,645 km (0.102 R)
• M7: 7,726,431 km (0.088 R)
• M8: 11,027,009 km (0.086 R)
• M9: 23,137,704 km (0.107 R)
• M10: 31,216,737 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 296.3

Radius: 3.3

Gravity: 27.21 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.83 AU - 10.19 AU

Year: 16029 Days

Day: 15.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,650,110 km

• M1: 41,289 km (0.068 R)
• M2: 145,110 km (0.098 R)
• M3: 360,232 km (0.112 R)
• M4: 1,238,521 km (0.088 R)
• M5: 1,353,861 km (0.066 R)
• M6: 1,728,304 km (0.116 R)
• M7: 2,260,424 km (0.055 R)
• M8: 5,985,411 km (0.076 R)
• M9: 7,637,719 km (0.025 R)
• M10: 8,753,121 km (0.039 R)
• M11: 9,325,333 km (0.074 R)
• M12: 16,196,812 km (0.111 R)
• M13: 26,797,915 km (0.099 R)
• M14: 29,339,583 km (0.116 R)
• M15: 32,596,179 km (0.06 R)
• M16: 38,044,534 km (0.069 R)
• M17: 41,377,125 km (0.097 R)
• M18: 42,440,467 km (0.075 R)
• M19: 45,739,250 km (0.056 R)
• M20: 49,057,181 km (0.084 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 319 - 13,867 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit