🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.7

Radius: 14.3

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.69 AU - 0.75 AU

Year: 422 Days

Day: 7 Hours

Environment

Temp: -170 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 67,228,312 km

• M1: 177,872 km (0.081 R)
• M2: 669,750 km (0.103 R)
• M3: 1,120,039 km (0.088 R)
• M4: 1,694,046 km (0.117 R)
• M5: 2,191,160 km (0.096 R)
• M6: 2,714,453 km (0.103 R)
• M7: 3,168,932 km (0.103 R)
• M8: 3,630,441 km (0.082 R)
• M9: 4,077,290 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.7

Radius: 10

Gravity: 3.77 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.99 AU - 1.07 AU

Year: 722 Days

Day: 7.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,228,312 km

• M1: 132,095 km (0.107 R)
• M2: 446,550 km (0.098 R)
• M3: 1,042,398 km (0.111 R)
• M4: 1,414,597 km (0.063 R)
• M5: 1,993,541 km (0.117 R)
• M6: 3,057,631 km (0.059 R)
• M7: 3,558,335 km (0.113 R)
• M8: 4,359,731 km (0.1 R)
• M9: 4,709,042 km (0.054 R)
• M10: 5,429,954 km (0.078 R)
• M11: 6,129,025 km (0.12 R)
• M12: 6,686,726 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.4

Radius: 10.8

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.1 AU - 1.24 AU

Year: 874 Days

Day: 8.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,228,312 km

• M1: 134,339 km (0.095 R)
• M2: 555,307 km (0.092 R)
• M3: 914,641 km (0.067 R)
• M4: 1,374,655 km (0.101 R)
• M5: 1,761,665 km (0.104 R)
• M6: 2,179,791 km (0.056 R)
• M7: 2,639,804 km (0.095 R)
• M8: 3,896,725 km (0.06 R)
• M9: 5,988,403 km (0.114 R)
• M10: 6,509,751 km (0.092 R)
• M11: 6,850,834 km (0.117 R)
• M12: 9,584,436 km (0.113 R)
• M13: 10,026,947 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 748.3

Radius: 13.8

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.08 AU - 1.26 AU

Year: 874 Days

Day: 10.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,228,312 km

• M1: 171,589 km (0.095 R)
• M2: 858,991 km (0.111 R)
• M3: 1,415,944 km (0.046 R)
• M4: 2,132,518 km (0.119 R)
• M5: 2,686,179 km (0.1 R)
• M6: 3,632,236 km (0.106 R)
• M7: 5,359,045 km (0.111 R)
• M8: 6,286,701 km (0.061 R)
• M9: 7,085,404 km (0.051 R)
• M10: 8,203,199 km (0.083 R)
• M11: 8,697,919 km (0.11 R)
• M12: 9,491,686 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.9

Radius: 14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.79 AU - 1.81 AU

Year: 1667 Days

Day: 7.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,228,312 km

• M1: 174,132 km (0.062 R)
• M2: 640,129 km (0.07 R)
• M3: 1,253,929 km (0.085 R)
• M4: 1,839,007 km (0.118 R)
• M5: 2,929,126 km (0.081 R)
• M6: 3,691,477 km (0.037 R)
• M7: 4,314,552 km (0.05 R)
• M8: 4,916,684 km (0.103 R)
• M9: 5,692,947 km (0.098 R)
• M10: 6,440,787 km (0.091 R)
• M11: 7,442,943 km (0.084 R)
• M12: 8,158,619 km (0.096 R)
• M13: 9,083,134 km (0.081 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.8

Radius: 4.3

Gravity: 16.16 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.85 AU - 7.69 AU

Year: 10837 Days

Day: 20.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,228,312 km

• M1: 58,044 km (0.087 R)
• M2: 255,214 km (0.112 R)
• M3: 790,774 km (0.069 R)
• M4: 1,172,548 km (0.12 R)
• M5: 2,307,996 km (0.116 R)
• M6: 2,541,668 km (0.115 R)
• M7: 2,952,314 km (0.045 R)
• M8: 3,249,715 km (0.1 R)
• M9: 3,428,484 km (0.076 R)
• M10: 3,613,836 km (0.043 R)
• M11: 5,346,030 km (0.104 R)
• M12: 5,787,792 km (0.093 R)
• M13: 6,743,573 km (0.114 R)
• M14: 7,487,673 km (0.103 R)
• M15: 8,450,933 km (0.063 R)
• M16: 8,962,408 km (0.075 R)
• M17: 13,703,614 km (0.073 R)
• M18: 14,709,211 km (0.089 R)
• M19: 15,137,360 km (0.086 R)
• M20: 17,402,870 km (0.071 R)
• M21: 20,939,962 km (0.089 R)
• M22: 21,248,283 km (0.066 R)
• M23: 23,992,058 km (0.048 R)
• M24: 28,254,400 km (0.027 R)
• M25: 30,366,124 km (0.034 R)
• M26: 31,561,261 km (0.093 R)
• M27: 31,864,945 km (0.101 R)
• M28: 33,517,104 km (0.025 R)
• M29: 35,990,854 km (0.097 R)
• M30: 36,991,215 km (0.115 R)
• M31: 38,009,827 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 879.1

Radius: 3

Gravity: 97.68 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 6.74 AU - 8.6 AU

Year: 14662 Days

Day: 18.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 67,228,312 km

• M1: 40,990 km (0.111 R)
• M2: 144,960 km (0.058 R)
• M3: 282,740 km (0.064 R)
• M4: 435,779 km (0.114 R)
• M5: 591,061 km (0.061 R)
• M6: 865,573 km (0.06 R)
• M7: 1,273,676 km (0.083 R)
• M8: 1,512,285 km (0.113 R)
• M9: 2,137,454 km (0.085 R)
• M10: 2,586,098 km (0.072 R)
• M11: 3,304,617 km (0.117 R)
• M12: 3,871,742 km (0.066 R)
• M13: 5,015,418 km (0.101 R)
• M14: 5,998,276 km (0.083 R)
• M15: 6,200,981 km (0.071 R)
• M16: 6,968,867 km (0.111 R)
• M17: 7,702,794 km (0.095 R)
• M18: 8,639,427 km (0.12 R)
• M19: 9,871,664 km (0.072 R)
• M20: 10,097,258 km (0.071 R)
• M21: 10,558,767 km (0.033 R)
• M22: 25,011,866 km (0.038 R)
• M23: 26,607,776 km (0.107 R)
• M24: 28,044,664 km (0.083 R)
• M25: 29,069,260 km (0.069 R)
• M26: 29,766,087 km (0.11 R)
• M27: 31,678,247 km (0.096 R)
• M28: 36,679,154 km (0.1 R)
• M29: 38,595,353 km (0.052 R)
• M30: 39,436,542 km (0.102 R)
• M31: 45,050,052 km (0.104 R)
• M32: 45,359,421 km (0.086 R)
• M33: 46,453,280 km (0.039 R)
• M34: 52,187,666 km (0.072 R)
• M35: 54,959,266 km (0.093 R)
• M36: 60,417,344 km (0.118 R)
• M37: 61,740,836 km (0.08 R)
• M38: 65,035,281 km (0.094 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 20,010 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit