🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.7

Radius: 8.1

Gravity: 12.8 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.68 AU - 0.78 AU

Year: 397 Days

Day: 5.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,525,028 km

• M1: 100,679 km (0.119 R)
• M2: 675,285 km (0.119 R)
• M3: 983,756 km (0.049 R)
• M4: 1,525,749 km (0.064 R)
• M5: 1,809,985 km (0.119 R)
• M6: 2,208,663 km (0.079 R)
• M7: 2,584,902 km (0.027 R)
• M8: 3,014,397 km (0.093 R)
• M9: 3,454,215 km (0.119 R)
• M10: 4,235,265 km (0.11 R)
• M11: 4,505,738 km (0.075 R)
• M12: 4,802,989 km (0.094 R)
• M13: 5,160,977 km (0.115 R)
• M14: 5,688,609 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.6

Radius: 8.4

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.67 AU - 0.97 AU

Year: 472 Days

Day: 11.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 90,525,028 km

• M1: 104,419 km (0.073 R)
• M2: 383,419 km (0.103 R)
• M3: 770,878 km (0.096 R)
• M4: 1,139,786 km (0.087 R)
• M5: 1,412,204 km (0.094 R)
• M6: 1,764,058 km (0.109 R)
• M7: 2,051,884 km (0.055 R)
• M8: 2,637,111 km (0.097 R)
• M9: 2,933,315 km (0.112 R)
• M10: 3,419,359 km (0.039 R)
• M11: 3,748,324 km (0.078 R)
• M12: 4,136,980 km (0.094 R)
• M13: 4,524,887 km (0.034 R)
• M14: 4,980,861 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769

Radius: 8.2

Gravity: 11.44 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.16 AU - 1.72 AU

Year: 1099 Days

Day: 6.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 90,525,028 km

• M1: 102,175 km (0.102 R)
• M2: 473,028 km (0.1 R)
• M3: 871,258 km (0.089 R)
• M4: 3,920,511 km (0.086 R)
• M5: 4,364,667 km (0.112 R)
• M6: 5,034,567 km (0.09 R)
• M7: 5,414,845 km (0.063 R)
• M8: 6,346,690 km (0.075 R)
• M9: 8,194,523 km (0.044 R)
• M10: 10,153,656 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.9

Radius: 10.2

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.52 AU - 1.96 AU

Year: 1459 Days

Day: 6.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 90,525,028 km

• M1: 126,859 km (0.062 R)
• M2: 624,571 km (0.103 R)
• M3: 1,232,836 km (0.106 R)
• M4: 1,637,199 km (0.102 R)
• M5: 3,546,367 km (0.084 R)
• M6: 3,930,534 km (0.094 R)
• M7: 4,393,689 km (0.11 R)
• M8: 4,986,247 km (0.072 R)
• M9: 6,112,868 km (0.064 R)
• M10: 6,828,694 km (0.079 R)
• M11: 7,549,606 km (0.098 R)
• M12: 8,480,703 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.8

Radius: 8.3

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.39 AU - 2.25 AU

Year: 1561 Days

Day: 14.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,525,028 km

• M1: 103,223 km (0.107 R)
• M2: 437,574 km (0.105 R)
• M3: 832,662 km (0.089 R)
• M4: 1,140,983 km (0.116 R)
• M5: 1,435,092 km (0.118 R)
• M6: 2,110,676 km (0.108 R)
• M7: 2,730,610 km (0.05 R)
• M8: 3,020,381 km (0.041 R)
• M9: 3,535,746 km (0.081 R)
• M10: 4,217,463 km (0.104 R)
• M11: 4,639,928 km (0.077 R)
• M12: 4,948,698 km (0.12 R)
• M13: 5,363,383 km (0.117 R)
• M14: 5,879,496 km (0.067 R)
• M15: 6,262,167 km (0.09 R)
• M16: 7,167,384 km (0.117 R)
• M17: 7,865,557 km (0.058 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.8

Radius: 13.1

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.54 AU - 2.76 AU

Year: 2743 Days

Day: 10.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 94.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 90,525,028 km

• M1: 163,510 km (0.075 R)
• M2: 647,160 km (0.113 R)
• M3: 1,432,400 km (0.072 R)
• M4: 5,375,650 km (0.074 R)
• M5: 7,286,314 km (0.119 R)
• M6: 7,898,917 km (0.105 R)
• M7: 8,697,620 km (0.1 R)
• M8: 13,358,491 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.7

Radius: 11.2

Gravity: 6.28 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.79 AU - 4.63 AU

Year: 4544 Days

Day: 12.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,525,028 km

• M1: 144,811 km (0.081 R)
• M2: 547,678 km (0.049 R)
• M3: 1,647,671 km (0.118 R)
• M4: 2,044,105 km (0.051 R)
• M5: 2,724,925 km (0.096 R)
• M6: 3,305,066 km (0.091 R)
• M7: 4,080,880 km (0.071 R)
• M8: 4,637,384 km (0.114 R)
• M9: 6,361,799 km (0.053 R)
• M10: 7,455,509 km (0.096 R)
• M11: 8,709,289 km (0.112 R)
• M12: 9,592,515 km (0.101 R)
• M13: 10,578,514 km (0.101 R)
• M14: 12,601,526 km (0.119 R)
• M15: 13,209,193 km (0.117 R)
• M16: 14,538,370 km (0.069 R)
• M17: 15,150,524 km (0.114 R)
• M18: 15,664,243 km (0.089 R)
• M19: 19,793,294 km (0.091 R)
• M20: 22,842,996 km (0.094 R)
• M21: 23,899,905 km (0.088 R)
• M22: 25,787,382 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.8

Radius: 14.2

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 4.55 AU - 5.57 AU

Year: 7237 Days

Day: 12.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 90,525,028 km

• M1: 176,525 km (0.06 R)
• M2: 639,082 km (0.117 R)
• M3: 1,414,149 km (0.081 R)
• M4: 2,328,940 km (0.111 R)
• M5: 2,889,483 km (0.11 R)
• M6: 3,379,715 km (0.1 R)
• M7: 4,841,436 km (0.079 R)
• M8: 5,698,781 km (0.045 R)
• M9: 6,301,810 km (0.05 R)
• M10: 6,984,425 km (0.08 R)
• M11: 10,125,083 km (0.095 R)
• M12: 12,440,409 km (0.096 R)
• M13: 13,928,908 km (0.101 R)
• M14: 14,531,937 km (0.045 R)
• M15: 15,089,638 km (0.095 R)
• M16: 15,920,205 km (0.116 R)
• M17: 16,513,062 km (0.116 R)
• M18: 22,531,235 km (0.042 R)
• M19: 23,616,717 km (0.114 R)
• M20: 24,301,875 km (0.08 R)
• M21: 27,550,692 km (0.107 R)
• M22: 28,694,966 km (0.085 R)
• M23: 31,901,746 km (0.076 R)
• M24: 34,458,523 km (0.078 R)
• M25: 35,451,554 km (0.105 R)
• M26: 41,196,262 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.8

Radius: 3.5

Gravity: 70.76 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 6.12 AU - 8.94 AU

Year: 13138 Days

Day: 24.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 90,525,028 km

• M1: 46,675 km (0.095 R)
• M2: 162,014 km (0.118 R)
• M3: 469,737 km (0.116 R)
• M4: 669,899 km (0.091 R)
• M5: 913,445 km (0.077 R)
• M6: 1,026,241 km (0.113 R)
• M7: 3,140,658 km (0.095 R)
• M8: 3,400,060 km (0.112 R)
• M9: 4,080,880 km (0.109 R)
• M10: 4,202,653 km (0.047 R)
• M11: 4,950,343 km (0.114 R)
• M12: 5,936,193 km (0.079 R)
• M13: 6,092,672 km (0.116 R)
• M14: 6,746,116 km (0.078 R)
• M15: 7,002,826 km (0.115 R)
• M16: 8,985,147 km (0.091 R)
• M17: 10,783,164 km (0.067 R)
• M18: 17,829,523 km (0.051 R)
• M19: 19,071,933 km (0.111 R)
• M20: 19,931,523 km (0.078 R)
• M21: 20,459,454 km (0.059 R)
• M22: 21,635,293 km (0.106 R)
• M23: 25,329,313 km (0.085 R)
• M24: 28,526,519 km (0.06 R)
• M25: 34,059,546 km (0.106 R)
• M26: 39,710,755 km (0.097 R)
• M27: 41,534,802 km (0.109 R)
• M28: 45,047,659 km (0.106 R)
• M29: 45,803,577 km (0.049 R)
• M30: 46,108,308 km (0.119 R)
• M31: 52,157,896 km (0.082 R)
• M32: 52,490,153 km (0.038 R)
• M33: 52,823,906 km (0.114 R)
• M34: 58,895,036 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 855.2

Radius: 7.7

Gravity: 14.42 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 8.36 AU - 13.66 AU

Year: 23228 Days

Day: 21 Hours

Environment

Temp: -225 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 90,525,028 km

• M1: 104,569 km (0.047 R)
• M2: 349,311 km (0.12 R)
• M3: 632,051 km (0.073 R)
• M4: 886,218 km (0.103 R)
• M5: 1,393,355 km (0.049 R)
• M6: 1,996,982 km (0.094 R)
• M7: 2,440,988 km (0.113 R)
• M8: 3,776,897 km (0.116 R)
• M9: 4,073,400 km (0.083 R)
• M10: 10,476,189 km (0.104 R)
• M11: 12,737,660 km (0.093 R)
• M12: 13,711,542 km (0.063 R)
• M13: 14,734,343 km (0.077 R)
• M14: 16,754,662 km (0.051 R)
• M15: 17,019,600 km (0.057 R)
• M16: 21,751,979 km (0.067 R)
• M17: 23,140,696 km (0.119 R)
• M18: 23,801,320 km (0.111 R)
• M19: 30,061,692 km (0.095 R)
• M20: 30,584,237 km (0.068 R)
• M21: 70,053,691 km (0.045 R)
• M22: 76,652,303 km (0.045 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 18,380 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit