🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.6

Radius: 12.6

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.9 AU - 0.9 AU

Year: 600 Days

Day: 7.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,362,951 km

• M1: 157,078 km (0.08 R)
• M2: 668,702 km (0.067 R)
• M3: 1,091,017 km (0.077 R)
• M4: 1,532,481 km (0.045 R)
• M5: 2,043,058 km (0.046 R)
• M6: 2,544,061 km (0.04 R)
• M7: 3,376,873 km (0.105 R)
• M8: 3,850,948 km (0.052 R)
• M9: 4,340,133 km (0.034 R)
• M10: 5,845,387 km (0.067 R)
• M11: 6,455,747 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.8

Radius: 9.2

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.01 AU - 1.03 AU

Year: 724 Days

Day: 12.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,362,951 km

• M1: 114,442 km (0.092 R)
• M2: 442,660 km (0.07 R)
• M3: 776,263 km (0.074 R)
• M4: 1,096,403 km (0.117 R)
• M5: 1,416,243 km (0.098 R)
• M6: 1,842,747 km (0.119 R)
• M7: 2,907,285 km (0.098 R)
• M8: 3,890,891 km (0.108 R)
• M9: 4,450,985 km (0.12 R)
• M10: 5,372,508 km (0.061 R)
• M11: 5,712,843 km (0.096 R)
• M12: 7,086,152 km (0.058 R)
• M13: 7,449,824 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.6

Radius: 11.2

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.36 AU - 2.06 AU

Year: 1572 Days

Day: 9.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,362,951 km

• M1: 239,805 km (0.072 R)
• M2: 630,256 km (0.117 R)
• M3: 978,520 km (0.048 R)
• M4: 1,326,933 km (0.111 R)
• M5: 1,792,482 km (0.111 R)
• M6: 2,931,370 km (0.098 R)
• M7: 3,545,170 km (0.07 R)
• M8: 5,727,953 km (0.1 R)
• M9: 6,253,939 km (0.042 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440

Radius: 10.1

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.87 AU - 2.19 AU

Year: 2033 Days

Day: 9.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,362,951 km

• M1: 125,662 km (0.032 R)
• M2: 485,744 km (0.103 R)
• M3: 837,748 km (0.096 R)
• M4: 1,478,476 km (0.094 R)
• M5: 2,308,295 km (0.098 R)
• M6: 2,977,895 km (0.103 R)
• M7: 3,311,349 km (0.112 R)
• M8: 4,484,795 km (0.091 R)
• M9: 4,842,932 km (0.106 R)
• M10: 5,753,534 km (0.116 R)
• M11: 6,177,345 km (0.085 R)
• M12: 6,774,540 km (0.07 R)
• M13: 7,940,655 km (0.048 R)
• M14: 8,496,561 km (0.106 R)
• M15: 9,141,028 km (0.115 R)
• M16: 9,653,700 km (0.075 R)
• M17: 10,562,058 km (0.071 R)
• M18: 12,011,363 km (0.102 R)
• M19: 12,744,392 km (0.092 R)
• M20: 13,920,231 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.5

Radius: 11

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.81 AU - 2.45 AU

Year: 2185 Days

Day: 6.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,362,951 km

• M1: 140,024 km (0.099 R)
• M2: 559,496 km (0.116 R)
• M3: 1,132,456 km (0.072 R)
• M4: 1,836,314 km (0.053 R)
• M5: 2,181,436 km (0.119 R)
• M6: 2,993,603 km (0.048 R)
• M7: 3,587,955 km (0.094 R)
• M8: 4,212,227 km (0.114 R)
• M9: 4,977,570 km (0.027 R)
• M10: 5,375,201 km (0.03 R)
• M11: 5,774,627 km (0.07 R)
• M12: 7,071,043 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.2

Radius: 10.1

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 4.2 AU - 5.02 AU

Year: 6958 Days

Day: 10.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 175.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,362,951 km

• M1: 125,662 km (0.093 R)
• M2: 775,067 km (0.043 R)
• M3: 1,142,180 km (0.083 R)
• M4: 1,490,593 km (0.117 R)
• M5: 1,939,536 km (0.1 R)
• M6: 2,915,064 km (0.029 R)
• M7: 3,578,680 km (0.093 R)
• M8: 4,678,823 km (0.032 R)
• M9: 5,119,987 km (0.091 R)
• M10: 5,802,901 km (0.046 R)
• M11: 7,682,150 km (0.111 R)
• M12: 8,496,561 km (0.082 R)
• M13: 9,239,613 km (0.108 R)
• M14: 9,758,718 km (0.103 R)
• M15: 10,807,848 km (0.101 R)
• M16: 11,482,385 km (0.114 R)
• M17: 12,756,360 km (0.033 R)
• M18: 13,075,602 km (0.113 R)
• M19: 16,632,441 km (0.119 R)
• M20: 18,126,176 km (0.05 R)
• M21: 18,802,807 km (0.101 R)
• M22: 20,423,101 km (0.103 R)
• M23: 22,364,433 km (0.034 R)
• M24: 22,907,324 km (0.105 R)
• M25: 27,045,201 km (0.082 R)
• M26: 27,928,726 km (0.11 R)
• M27: 30,033,717 km (0.037 R)
• M28: 30,599,796 km (0.071 R)
• M29: 31,850,733 km (0.029 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.6

Radius: 6.7

Gravity: 7.41 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.96 AU - 7.12 AU

Year: 11756 Days

Day: 23.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 51,362,951 km

• M1: 96,491 km (0.059 R)
• M2: 487,988 km (0.086 R)
• M3: 761,603 km (0.096 R)
• M4: 1,022,501 km (0.094 R)
• M5: 1,972,897 km (0.098 R)
• M6: 2,567,698 km (0.073 R)
• M7: 3,186,285 km (0.071 R)
• M8: 4,487,487 km (0.045 R)
• M9: 5,163,071 km (0.043 R)
• M10: 5,737,677 km (0.062 R)
• M11: 6,006,355 km (0.093 R)
• M12: 8,597,838 km (0.071 R)
• M13: 8,816,999 km (0.082 R)
• M14: 10,406,925 km (0.049 R)
• M15: 11,638,415 km (0.104 R)
• M16: 12,344,517 km (0.078 R)
• M17: 16,986,389 km (0.086 R)
• M18: 17,541,248 km (0.034 R)
• M19: 18,251,838 km (0.074 R)
• M20: 19,129,529 km (0.109 R)
• M21: 21,607,617 km (0.103 R)
• M22: 23,175,852 km (0.11 R)
• M23: 24,291,702 km (0.116 R)
• M24: 25,174,030 km (0.106 R)
• M25: 25,442,858 km (0.085 R)
• M26: 27,378,654 km (0.095 R)
• M27: 29,509,676 km (0.078 R)
• M28: 30,717,380 km (0.108 R)
• M29: 32,590,345 km (0.105 R)
• M30: 35,878,955 km (0.114 R)
• M31: 36,219,440 km (0.106 R)
• M32: 36,906,991 km (0.047 R)
• M33: 38,545,088 km (0.105 R)
• M34: 38,783,098 km (0.064 R)
• M35: 40,231,056 km (0.074 R)
• M36: 40,598,618 km (0.088 R)
• M37: 40,845,006 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 356.7

Radius: 5.2

Gravity: 13.19 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6.82 AU - 8.82 AU

Year: 15372 Days

Day: 18.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,362,951 km

• M1: 64,626 km (0.088 R)
• M2: 286,779 km (0.119 R)
• M3: 456,872 km (0.116 R)
• M4: 2,245,314 km (0.067 R)
• M5: 2,498,135 km (0.12 R)
• M6: 3,472,466 km (0.073 R)
• M7: 4,801,792 km (0.118 R)
• M8: 5,844,938 km (0.083 R)
• M9: 6,248,853 km (0.094 R)
• M10: 6,710,512 km (0.078 R)
• M11: 7,112,481 km (0.077 R)
• M12: 9,121,880 km (0.118 R)
• M13: 10,440,435 km (0.078 R)
• M14: 21,276,108 km (0.099 R)
• M15: 22,054,316 km (0.078 R)
• M16: 22,672,455 km (0.089 R)
• M17: 28,142,501 km (0.114 R)
• M18: 34,785,245 km (0.103 R)
• M19: 35,501,819 km (0.072 R)
• M20: 40,664,890 km (0.074 R)
• M21: 48,642,346 km (0.096 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: 489 - 17,471 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit