🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589

Radius: 14.9

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.8 AU - 0.82 AU

Year: 494 Days

Day: 12.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 47,078,000 km

• M1: 185,352 km (0.089 R)
• M2: 696,079 km (0.1 R)
• M3: 1,353,262 km (0.105 R)
• M4: 1,944,473 km (0.098 R)
• M5: 3,385,250 km (0.08 R)
• M6: 3,855,287 km (0.084 R)
• M7: 4,483,149 km (0.069 R)
• M8: 6,086,838 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.9

Radius: 12.9

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.96 AU - 1.14 AU

Year: 730 Days

Day: 10.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 77.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,078,000 km

• M1: 160,519 km (0.063 R)
• M2: 576,101 km (0.043 R)
• M3: 1,014,722 km (0.078 R)
• M4: 1,467,106 km (0.11 R)
• M5: 2,233,795 km (0.079 R)
• M6: 2,821,565 km (0.103 R)
• M7: 3,511,212 km (0.114 R)
• M8: 4,040,788 km (0.093 R)
• M9: 4,777,707 km (0.093 R)
• M10: 5,228,296 km (0.091 R)
• M11: 6,178,542 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.7

Radius: 8.2

Gravity: 11.05 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.41 AU - 1.45 AU

Year: 1160 Days

Day: 6.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,078,000 km

• M1: 102,026 km (0.103 R)
• M2: 526,884 km (0.104 R)
• M3: 1,057,507 km (0.1 R)
• M4: 1,570,628 km (0.068 R)
• M5: 1,970,952 km (0.111 R)
• M6: 2,486,317 km (0.032 R)
• M7: 2,963,534 km (0.092 R)
• M8: 3,319,726 km (0.116 R)
• M9: 4,309,915 km (0.105 R)
• M10: 4,599,686 km (0.087 R)
• M11: 5,019,308 km (0.098 R)
• M12: 6,503,019 km (0.083 R)
• M13: 6,788,153 km (0.102 R)
• M14: 7,486,177 km (0.071 R)
• M15: 9,930,307 km (0.109 R)
• M16: 10,534,532 km (0.062 R)
• M17: 11,298,379 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.7

Radius: 8.9

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.22 AU - 2.9 AU

Year: 2778 Days

Day: 6.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,078,000 km

• M1: 110,702 km (0.058 R)
• M2: 501,452 km (0.078 R)
• M3: 829,520 km (0.085 R)
• M4: 1,110,315 km (0.11 R)
• M5: 1,447,359 km (0.111 R)
• M6: 1,790,387 km (0.057 R)
• M7: 2,995,548 km (0.116 R)
• M8: 3,658,865 km (0.033 R)
• M9: 4,572,459 km (0.096 R)
• M10: 4,915,487 km (0.091 R)
• M11: 5,341,093 km (0.113 R)
• M12: 5,931,107 km (0.071 R)
• M13: 6,389,026 km (0.114 R)
• M14: 8,672,189 km (0.117 R)
• M15: 10,593,773 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.9

Radius: 11.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.27 AU - 3.69 AU

Year: 3489 Days

Day: 14.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,078,000 km

• M1: 141,819 km (0.108 R)
• M2: 557,252 km (0.104 R)
• M3: 1,230,891 km (0.104 R)
• M4: 2,540,471 km (0.099 R)
• M5: 3,939,810 km (0.117 R)
• M6: 4,620,929 km (0.112 R)
• M7: 6,105,837 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.2

Radius: 9.3

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 3.41 AU - 4.75 AU

Year: 5590 Days

Day: 8.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,078,000 km

• M1: 120,127 km (0.105 R)
• M2: 626,665 km (0.102 R)
• M3: 1,005,298 km (0.117 R)
• M4: 1,859,950 km (0.119 R)
• M5: 2,214,497 km (0.11 R)
• M6: 2,597,169 km (0.055 R)
• M7: 3,099,219 km (0.111 R)
• M8: 4,321,733 km (0.071 R)
• M9: 5,055,062 km (0.091 R)
• M10: 5,354,108 km (0.093 R)
• M11: 6,479,383 km (0.063 R)
• M12: 7,031,100 km (0.066 R)
• M13: 8,080,828 km (0.06 R)
• M14: 10,708,365 km (0.055 R)
• M15: 11,903,054 km (0.103 R)
• M16: 12,581,929 km (0.062 R)
• M17: 13,082,483 km (0.075 R)
• M18: 13,440,770 km (0.034 R)
• M19: 14,123,535 km (0.106 R)
• M20: 15,672,471 km (0.075 R)
• M21: 16,135,178 km (0.105 R)
• M22: 18,779,619 km (0.086 R)
• M23: 21,345,971 km (0.08 R)
• M24: 26,424,818 km (0.116 R)
• M25: 26,751,390 km (0.09 R)
• M26: 27,999,635 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.5

Radius: 10

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.02 AU - 5.22 AU

Year: 7858 Days

Day: 13.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,078,000 km

• M1: 130,749 km (0.088 R)
• M2: 1,141,432 km (0.049 R)
• M3: 1,634,955 km (0.114 R)
• M4: 2,008,651 km (0.09 R)
• M5: 2,404,187 km (0.119 R)
• M6: 3,074,835 km (0.115 R)
• M7: 4,646,061 km (0.086 R)
• M8: 8,384,661 km (0.076 R)
• M9: 11,632,132 km (0.094 R)
• M10: 13,082,483 km (0.097 R)
• M11: 13,880,289 km (0.046 R)
• M12: 18,223,265 km (0.107 R)
• M13: 18,716,339 km (0.106 R)
• M14: 20,701,353 km (0.065 R)
• M15: 21,784,143 km (0.103 R)
• M16: 23,811,044 km (0.099 R)
• M17: 24,146,592 km (0.088 R)
• M18: 24,913,281 km (0.118 R)
• M19: 26,494,980 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 243.2

Radius: 5.9

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.7 AU - 9.98 AU

Year: 16336 Days

Day: 20.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,078,000 km

• M1: 78,539 km (0.094 R)
• M2: 296,204 km (0.109 R)
• M3: 527,632 km (0.025 R)
• M4: 807,829 km (0.111 R)
• M5: 1,460,225 km (0.119 R)
• M6: 5,047,582 km (0.111 R)
• M7: 5,536,019 km (0.037 R)
• M8: 5,843,891 km (0.1 R)
• M9: 6,493,744 km (0.042 R)
• M10: 14,918,498 km (0.118 R)
• M11: 17,327,024 km (0.043 R)
• M12: 21,282,691 km (0.12 R)
• M13: 23,959,745 km (0.104 R)
• M14: 24,320,724 km (0.111 R)
• M15: 29,452,530 km (0.113 R)
• M16: 34,568,627 km (0.06 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 15,269 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit