🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.3

Radius: 9.1

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.66 AU - 0.7 AU

Year: 374 Days

Day: 13.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,027,987 km

• M1: 113,246 km (0.111 R)
• M2: 397,033 km (0.105 R)
• M3: 737,518 km (0.111 R)
• M4: 1,056,311 km (0.116 R)
• M5: 1,671,756 km (0.062 R)
• M6: 2,245,464 km (0.111 R)
• M7: 2,602,255 km (0.075 R)
• M8: 2,945,133 km (0.074 R)
• M9: 3,329,450 km (0.091 R)
• M10: 3,893,733 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44

Radius: 8.2

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.69 AU - 0.79 AU

Year: 424 Days

Day: 7.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 66,027,987 km

• M1: 102,475 km (0.113 R)
• M2: 444,006 km (0.094 R)
• M3: 773,870 km (0.116 R)
• M4: 1,608,925 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.4

Radius: 12.4

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.83 AU - 0.85 AU

Year: 513 Days

Day: 9.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,027,987 km

• M1: 154,235 km (0.081 R)
• M2: 627,862 km (0.111 R)
• M3: 1,117,795 km (0.088 R)
• M4: 1,660,387 km (0.113 R)
• M5: 2,366,190 km (0.099 R)
• M6: 3,119,564 km (0.106 R)
• M7: 3,657,818 km (0.106 R)
• M8: 4,466,843 km (0.089 R)
• M9: 5,053,416 km (0.03 R)
• M10: 5,817,412 km (0.073 R)
• M11: 6,285,055 km (0.043 R)
• M12: 6,797,877 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.3

Radius: 11.1

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.85 AU - 1.31 AU

Year: 748 Days

Day: 13.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,027,987 km

• M1: 138,079 km (0.1 R)
• M2: 613,501 km (0.085 R)
• M3: 1,053,767 km (0.055 R)
• M4: 1,439,880 km (0.066 R)
• M5: 2,089,583 km (0.095 R)
• M6: 2,466,719 km (0.061 R)
• M7: 2,841,462 km (0.102 R)
• M8: 3,280,831 km (0.061 R)
• M9: 3,664,699 km (0.045 R)
• M10: 4,094,045 km (0.038 R)
• M11: 4,458,166 km (0.052 R)
• M12: 7,053,988 km (0.11 R)
• M13: 7,440,101 km (0.11 R)
• M14: 8,009,470 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133.8

Radius: 8

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 6.32 AU - 6.38 AU

Year: 10671 Days

Day: 20.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,027,987 km

• M1: 108,608 km (0.114 R)
• M2: 519,853 km (0.107 R)
• M3: 1,074,711 km (0.075 R)
• M4: 1,495,380 km (0.12 R)
• M5: 1,751,043 km (0.05 R)
• M6: 2,065,199 km (0.12 R)
• M7: 2,416,604 km (0.09 R)
• M8: 2,879,909 km (0.056 R)
• M9: 3,826,863 km (0.1 R)
• M10: 4,506,486 km (0.107 R)
• M11: 5,487,549 km (0.097 R)
• M12: 7,267,614 km (0.029 R)
• M13: 9,079,843 km (0.083 R)
• M14: 9,401,927 km (0.109 R)
• M15: 10,946,974 km (0.047 R)
• M16: 12,211,824 km (0.107 R)
• M17: 12,754,116 km (0.077 R)
• M18: 13,312,415 km (0.06 R)
• M19: 13,571,369 km (0.075 R)
• M20: 14,586,690 km (0.098 R)
• M21: 16,409,839 km (0.115 R)
• M22: 19,289,449 km (0.102 R)
• M23: 19,554,835 km (0.057 R)
• M24: 22,562,650 km (0.05 R)
• M25: 24,601,370 km (0.107 R)
• M26: 26,107,521 km (0.095 R)
• M27: 26,924,475 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 380.1

Radius: 7.8

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.04 AU - 7.82 AU

Year: 13506 Days

Day: 20.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 161.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,027,987 km

• M1: 96,939 km (0.079 R)
• M2: 406,009 km (0.097 R)
• M3: 2,569,493 km (0.06 R)
• M4: 4,023,136 km (0.104 R)
• M5: 4,386,658 km (0.087 R)
• M6: 4,741,505 km (0.099 R)
• M7: 8,000,943 km (0.093 R)
• M8: 8,713,627 km (0.056 R)
• M9: 10,367,880 km (0.102 R)
• M10: 11,052,291 km (0.099 R)
• M11: 13,226,097 km (0.079 R)
• M12: 14,671,961 km (0.087 R)
• M13: 16,430,035 km (0.113 R)
• M14: 17,432,640 km (0.075 R)
• M15: 19,167,526 km (0.092 R)
• M16: 19,876,770 km (0.096 R)
• M17: 22,023,799 km (0.103 R)
• M18: 27,262,566 km (0.099 R)
• M19: 28,869,995 km (0.097 R)
• M20: 29,384,911 km (0.068 R)
• M21: 31,615,116 km (0.1 R)
• M22: 32,827,308 km (0.116 R)
• M23: 43,257,271 km (0.102 R)

Asteroid Belt

Center: 8.87 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 367.4

Radius: 4.3

Gravity: 19.87 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.9 AU - 12.72 AU

Year: 22076 Days

Day: 23.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 66,027,987 km

• M1: 53,855 km (0.062 R)
• M2: 205,248 km (0.067 R)
• M3: 360,680 km (0.116 R)
• M4: 550,221 km (0.086 R)
• M5: 765,642 km (0.07 R)
• M6: 1,747,154 km (0.112 R)
• M7: 1,999,974 km (0.089 R)
• M8: 2,692,612 km (0.1 R)
• M9: 3,131,532 km (0.103 R)
• M10: 5,011,529 km (0.031 R)
• M11: 6,686,875 km (0.091 R)
• M12: 8,753,719 km (0.115 R)
• M13: 9,383,676 km (0.115 R)
• M14: 9,600,144 km (0.079 R)
• M15: 10,212,897 km (0.102 R)
• M16: 11,030,001 km (0.11 R)
• M17: 12,595,842 km (0.099 R)
• M18: 13,534,419 km (0.098 R)
• M19: 18,005,001 km (0.081 R)
• M20: 18,849,033 km (0.051 R)
• M21: 21,726,697 km (0.118 R)
• M22: 30,172,993 km (0.073 R)
• M23: 32,212,311 km (0.1 R)
• M24: 34,856,005 km (0.039 R)
• M25: 36,562,916 km (0.118 R)
• M26: 38,187,400 km (0.064 R)
• M27: 42,016,956 km (0.098 R)
• M28: 42,457,671 km (0.088 R)
• M29: 43,497,825 km (0.086 R)
• M30: 45,013,251 km (0.085 R)
• M31: 53,291,848 km (0.08 R)
• M32: 58,423,504 km (0.049 R)
• M33: 59,524,843 km (0.036 R)
• M34: 59,709,746 km (0.09 R)
• M35: 60,827,093 km (0.026 R)
• M36: 62,720,104 km (0.065 R)
• M37: 65,830,244 km (0.064 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 378 - 19,705 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit