🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.48 AU - 0.72 AU

Year: 305 Days

Day: 33.4 Hours

Environment

Temp: -126 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.89 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.2

Radius: 11.5

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.13 AU - 1.21 AU

Year: 830 Days

Day: 12.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,578,750 km

• M1: 143,016 km (0.114 R)
• M2: 750,533 km (0.046 R)
• M3: 1,133,054 km (0.108 R)
• M4: 1,731,895 km (0.118 R)
• M5: 2,110,228 km (0.049 R)
• M6: 2,702,336 km (0.055 R)
• M7: 3,203,788 km (0.027 R)
• M8: 4,111,099 km (0.081 R)
• M9: 4,950,642 km (0.092 R)
• M10: 5,881,291 km (0.073 R)
• M11: 6,367,633 km (0.1 R)
• M12: 7,215,404 km (0.104 R)
• M13: 7,607,800 km (0.034 R)
• M14: 8,136,778 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.1

Radius: 13.3

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.96 AU - 1.46 AU

Year: 873 Days

Day: 13 Hours

Environment

Temp: -171 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,578,750 km

• M1: 165,455 km (0.049 R)
• M2: 584,628 km (0.099 R)
• M3: 1,008,290 km (0.119 R)
• M4: 1,505,104 km (0.097 R)
• M5: 1,951,355 km (0.116 R)
• M6: 2,766,813 km (0.091 R)
• M7: 3,519,290 km (0.038 R)
• M8: 4,819,295 km (0.106 R)
• M9: 5,413,648 km (0.084 R)
• M10: 5,911,509 km (0.114 R)
• M11: 7,115,772 km (0.041 R)
• M12: 7,714,613 km (0.039 R)
• M13: 8,166,398 km (0.095 R)
• M14: 8,769,577 km (0.066 R)
• M15: 9,290,028 km (0.106 R)
• M16: 9,831,123 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.7

Radius: 8.8

Gravity: 9.6 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 1.21 AU - 1.29 AU

Year: 917 Days

Day: 14.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,578,750 km

• M1: 109,506 km (0.111 R)
• M2: 443,258 km (0.106 R)
• M3: 822,639 km (0.1 R)
• M4: 1,144,573 km (0.093 R)
• M5: 1,739,823 km (0.039 R)
• M6: 2,228,111 km (0.102 R)
• M7: 2,996,745 km (0.074 R)
• M8: 3,478,599 km (0.091 R)
• M9: 4,579,640 km (0.058 R)
• M10: 4,938,675 km (0.119 R)
• M11: 5,452,842 km (0.064 R)
• M12: 5,897,896 km (0.037 R)
• M13: 6,236,735 km (0.04 R)
• M14: 6,906,934 km (0.116 R)
• M15: 7,188,178 km (0.112 R)
• M16: 7,823,969 km (0.07 R)
• M17: 9,012,374 km (0.12 R)
• M18: 9,664,172 km (0.091 R)

Asteroid Belt

Center: 3.31 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.8

Radius: 10

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 4.24 AU - 6.5 AU

Year: 8163 Days

Day: 6.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,578,750 km

• M1: 125,064 km (0.066 R)
• M2: 570,117 km (0.091 R)
• M3: 1,829,432 km (0.098 R)
• M4: 2,248,905 km (0.059 R)
• M5: 2,948,125 km (0.083 R)
• M6: 4,208,936 km (0.119 R)
• M7: 8,480,853 km (0.096 R)
• M8: 9,836,958 km (0.038 R)
• M9: 10,785,558 km (0.107 R)
• M10: 14,172,753 km (0.117 R)
• M11: 15,319,420 km (0.045 R)
• M12: 15,631,332 km (0.078 R)
• M13: 18,420,285 km (0.06 R)
• M14: 20,304,171 km (0.115 R)
• M15: 26,274,622 km (0.11 R)
• M16: 26,992,692 km (0.07 R)
• M17: 29,225,440 km (0.086 R)
• M18: 34,694,140 km (0.09 R)
• M19: 37,442,402 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605.8

Radius: 6.3

Gravity: 15.26 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.35 AU - 8.73 AU

Year: 12254 Days

Day: 16.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 62,578,750 km

• M1: 78,539 km (0.047 R)
• M2: 281,992 km (0.064 R)
• M3: 558,598 km (0.119 R)
• M4: 1,754,185 km (0.105 R)
• M5: 2,314,578 km (0.111 R)
• M6: 2,942,291 km (0.114 R)
• M7: 3,271,556 km (0.058 R)
• M8: 3,651,235 km (0.12 R)
• M9: 3,865,609 km (0.044 R)
• M10: 5,716,434 km (0.084 R)
• M11: 6,229,704 km (0.07 R)
• M12: 7,348,098 km (0.119 R)
• M13: 8,735,768 km (0.114 R)
• M14: 8,974,825 km (0.047 R)
• M15: 10,937,848 km (0.068 R)
• M16: 11,555,538 km (0.096 R)
• M17: 12,495,162 km (0.1 R)
• M18: 13,045,682 km (0.037 R)
• M19: 14,459,083 km (0.103 R)
• M20: 15,271,549 km (0.092 R)
• M21: 16,042,726 km (0.115 R)
• M22: 16,913,386 km (0.101 R)
• M23: 17,586,726 km (0.092 R)
• M24: 20,543,528 km (0.085 R)
• M25: 24,661,059 km (0.091 R)
• M26: 26,411,803 km (0.069 R)
• M27: 30,267,389 km (0.033 R)
• M28: 31,482,124 km (0.105 R)
• M29: 31,819,018 km (0.076 R)
• M30: 34,720,319 km (0.079 R)
• M31: 36,173,663 km (0.081 R)
• M32: 37,039,984 km (0.093 R)
• M33: 37,667,098 km (0.1 R)
• M34: 38,173,936 km (0.103 R)
• M35: 39,330,926 km (0.082 R)
• M36: 43,079,549 km (0.029 R)
• M37: 44,756,541 km (0.078 R)
• M38: 50,506,934 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977.2

Radius: 6.1

Gravity: 26.26 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.9 AU - 8.36 AU

Year: 12489 Days

Day: 15.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,578,750 km

• M1: 76,445 km (0.09 R)
• M2: 327,171 km (0.093 R)
• M3: 897,438 km (0.034 R)
• M4: 1,112,260 km (0.056 R)
• M5: 1,831,826 km (0.103 R)
• M6: 2,468,066 km (0.115 R)
• M7: 3,190,773 km (0.107 R)
• M8: 4,510,974 km (0.091 R)
• M9: 4,739,709 km (0.086 R)
• M10: 5,010,631 km (0.077 R)
• M11: 6,199,336 km (0.093 R)
• M12: 7,031,399 km (0.117 R)
• M13: 9,224,055 km (0.083 R)
• M14: 9,700,674 km (0.064 R)
• M15: 10,027,545 km (0.103 R)
• M16: 10,305,498 km (0.092 R)
• M17: 10,818,768 km (0.099 R)
• M18: 11,170,323 km (0.104 R)
• M19: 12,847,465 km (0.111 R)
• M20: 13,308,227 km (0.119 R)
• M21: 15,408,730 km (0.115 R)
• M22: 17,479,464 km (0.093 R)
• M23: 23,404,886 km (0.045 R)
• M24: 24,191,322 km (0.097 R)
• M25: 25,609,510 km (0.073 R)
• M26: 26,024,644 km (0.103 R)
• M27: 31,718,638 km (0.049 R)
• M28: 35,814,179 km (0.101 R)
• M29: 39,004,952 km (0.049 R)
• M30: 40,951,071 km (0.106 R)
• M31: 41,376,228 km (0.08 R)
• M32: 51,989,748 km (0.104 R)
• M33: 54,343,970 km (0.059 R)
• M34: 54,686,100 km (0.084 R)
• M35: 58,364,412 km (0.039 R)
• M36: 59,444,958 km (0.076 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 13,353 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit