🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548.9

Radius: 9.2

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.77 AU - 0.87 AU

Year: 479 Days

Day: 10.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,423,692 km

• M1: 114,442 km (0.103 R)
• M2: 403,914 km (0.097 R)
• M3: 834,607 km (0.085 R)
• M4: 1,256,024 km (0.11 R)
• M5: 1,778,270 km (0.103 R)
• M6: 2,449,067 km (0.119 R)
• M7: 2,965,778 km (0.112 R)
• M8: 3,396,769 km (0.047 R)
• M9: 4,258,603 km (0.108 R)
• M10: 5,875,756 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.3

Radius: 10

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.23 AU - 1.35 AU

Year: 946 Days

Day: 9.1 Hours

Environment

Temp: -172 °C

Axial Tilt: 109.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,423,692 km

• M1: 125,961 km (0.09 R)
• M2: 553,662 km (0.119 R)
• M3: 1,401,283 km (0.113 R)
• M4: 1,836,912 km (0.085 R)
• M5: 2,209,411 km (0.07 R)
• M6: 3,210,969 km (0.103 R)
• M7: 4,909,653 km (0.035 R)
• M8: 5,540,058 km (0.108 R)
• M9: 7,711,471 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.8

Radius: 9.4

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.19 AU - 1.53 AU

Year: 1024 Days

Day: 13 Hours

Environment

Temp: -166 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,423,692 km

• M1: 119,230 km (0.057 R)
• M2: 442,660 km (0.12 R)
• M3: 751,879 km (0.062 R)
• M4: 1,083,238 km (0.076 R)
• M5: 1,376,450 km (0.07 R)
• M6: 1,779,167 km (0.088 R)
• M7: 2,293,335 km (0.089 R)
• M8: 2,825,305 km (0.056 R)
• M9: 3,262,281 km (0.097 R)
• M10: 3,727,979 km (0.066 R)
• M11: 4,359,132 km (0.097 R)
• M12: 5,376,398 km (0.092 R)
• M13: 6,027,747 km (0.11 R)
• M14: 7,362,010 km (0.114 R)
• M15: 7,926,294 km (0.056 R)
• M16: 8,273,211 km (0.076 R)
• M17: 8,911,695 km (0.118 R)
• M18: 9,612,561 km (0.093 R)
• M19: 10,007,350 km (0.072 R)
• M20: 10,349,779 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.6

Radius: 8.9

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.52 AU - 1.72 AU

Year: 1331 Days

Day: 9.1 Hours

Environment

Temp: -171 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,423,692 km

• M1: 126,560 km (0.087 R)
• M2: 623,973 km (0.093 R)
• M3: 953,836 km (0.05 R)
• M4: 1,430,904 km (0.114 R)
• M5: 2,089,733 km (0.109 R)
• M6: 2,744,822 km (0.112 R)
• M7: 3,643,905 km (0.071 R)
• M8: 4,778,904 km (0.119 R)
• M9: 5,560,553 km (0.052 R)
• M10: 6,595,022 km (0.113 R)
• M11: 7,921,806 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.9

Radius: 9.1

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.4 AU - 2.24 AU

Year: 1585 Days

Day: 11.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,423,692 km

• M1: 113,246 km (0.073 R)
• M2: 405,859 km (0.092 R)
• M3: 693,237 km (0.118 R)
• M4: 1,153,250 km (0.112 R)
• M5: 1,898,247 km (0.104 R)
• M6: 2,254,440 km (0.087 R)
• M7: 2,719,689 km (0.117 R)
• M8: 3,599,774 km (0.106 R)
• M9: 4,045,426 km (0.078 R)
• M10: 4,509,029 km (0.108 R)
• M11: 5,332,416 km (0.059 R)
• M12: 5,736,480 km (0.049 R)
• M13: 6,824,356 km (0.037 R)
• M14: 7,482,437 km (0.084 R)
• M15: 8,182,106 km (0.093 R)
• M16: 8,720,509 km (0.118 R)
• M17: 9,132,052 km (0.087 R)
• M18: 9,587,578 km (0.105 R)
• M19: 9,931,055 km (0.068 R)
• M20: 10,543,808 km (0.102 R)
• M21: 11,215,801 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.4

Radius: 9.8

Gravity: 10.2 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.28 AU - 3.14 AU

Year: 2881 Days

Day: 13.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 51,423,692 km

• M1: 121,922 km (0.073 R)
• M2: 466,446 km (0.113 R)
• M3: 826,678 km (0.112 R)
• M4: 1,251,835 km (0.103 R)
• M5: 2,037,224 km (0.056 R)
• M6: 2,794,937 km (0.096 R)
• M7: 3,570,752 km (0.095 R)
• M8: 3,977,807 km (0.084 R)
• M9: 4,529,973 km (0.084 R)
• M10: 4,934,037 km (0.025 R)
• M11: 6,264,112 km (0.105 R)
• M12: 6,706,173 km (0.108 R)
• M13: 7,074,633 km (0.058 R)
• M14: 8,903,766 km (0.114 R)
• M15: 10,085,888 km (0.103 R)
• M16: 10,694,153 km (0.094 R)
• M17: 11,113,027 km (0.057 R)
• M18: 11,806,114 km (0.103 R)
• M19: 14,359,301 km (0.094 R)
• M20: 14,869,580 km (0.102 R)
• M21: 19,212,705 km (0.066 R)
• M22: 20,337,831 km (0.081 R)
• M23: 21,112,000 km (0.051 R)
• M24: 22,582,098 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.1

Radius: 10.7

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.35 AU - 4.85 AU

Year: 6370 Days

Day: 7.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,423,692 km

• M1: 133,142 km (0.115 R)
• M2: 506,838 km (0.079 R)
• M3: 946,057 km (0.045 R)
• M4: 1,319,304 km (0.061 R)
• M5: 1,676,394 km (0.052 R)
• M6: 2,312,783 km (0.1 R)
• M7: 2,785,662 km (0.077 R)
• M8: 3,181,947 km (0.064 R)
• M9: 4,280,145 km (0.083 R)
• M10: 5,673,499 km (0.101 R)
• M11: 7,278,385 km (0.06 R)
• M12: 8,725,745 km (0.112 R)
• M13: 10,049,835 km (0.1 R)
• M14: 10,579,412 km (0.073 R)
• M15: 16,217,307 km (0.056 R)
• M16: 17,697,428 km (0.052 R)
• M17: 18,666,972 km (0.112 R)
• M18: 19,603,604 km (0.104 R)
• M19: 21,353,450 km (0.081 R)
• M20: 22,229,496 km (0.1 R)
• M21: 22,676,344 km (0.071 R)
• M22: 24,524,028 km (0.082 R)
• M23: 26,470,146 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.7

Radius: 12.6

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.72 AU - 5.96 AU

Year: 6875 Days

Day: 14.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 51,423,692 km

• M1: 158,723 km (0.114 R)
• M2: 686,205 km (0.036 R)
• M3: 1,163,423 km (0.082 R)
• M4: 1,751,193 km (0.041 R)
• M5: 2,869,586 km (0.09 R)
• M6: 3,453,168 km (0.037 R)
• M7: 4,610,158 km (0.109 R)
• M8: 5,066,132 km (0.077 R)
• M9: 5,806,791 km (0.099 R)
• M10: 8,467,987 km (0.106 R)
• M11: 8,999,210 km (0.086 R)
• M12: 9,961,573 km (0.07 R)
• M13: 11,440,946 km (0.065 R)
• M14: 13,212,035 km (0.087 R)
• M15: 16,696,618 km (0.097 R)
• M16: 18,335,164 km (0.059 R)
• M17: 19,485,721 km (0.113 R)
• M18: 27,093,820 km (0.11 R)
• M19: 27,585,099 km (0.105 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.9

Radius: 14.2

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.16 AU - 6.26 AU

Year: 8810 Days

Day: 14.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,423,692 km

• M1: 176,675 km (0.1 R)
• M2: 628,909 km (0.092 R)
• M3: 1,155,644 km (0.1 R)
• M4: 1,774,081 km (0.081 R)
• M5: 2,423,934 km (0.054 R)
• M6: 4,234,817 km (0.113 R)
• M7: 4,680,169 km (0.025 R)
• M8: 5,967,609 km (0.106 R)
• M9: 9,940,180 km (0.094 R)
• M10: 10,480,677 km (0.07 R)
• M11: 13,072,909 km (0.088 R)
• M12: 17,369,659 km (0.073 R)
• M13: 18,520,366 km (0.119 R)
• M14: 18,964,672 km (0.105 R)
• M15: 22,111,912 km (0.056 R)
• M16: 22,696,391 km (0.047 R)
• M17: 26,986,708 km (0.112 R)
• M18: 28,627,797 km (0.074 R)
• M19: 32,966,135 km (0.096 R)
• M20: 33,729,383 km (0.12 R)
• M21: 35,404,879 km (0.098 R)
• M22: 36,320,867 km (0.057 R)
• M23: 40,020,123 km (0.068 R)
• M24: 42,664,415 km (0.026 R)
• M25: 43,832,475 km (0.077 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 308.1

Radius: 3.8

Gravity: 21.34 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 6.59 AU - 10.81 AU

Year: 16569 Days

Day: 15.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,423,692 km

• M1: 47,423 km (0.099 R)
• M2: 207,193 km (0.106 R)
• M3: 919,279 km (0.055 R)
• M4: 1,996,084 km (0.077 R)
• M5: 2,586,846 km (0.119 R)
• M6: 5,908,518 km (0.119 R)
• M7: 6,862,354 km (0.066 R)
• M8: 8,047,617 km (0.072 R)
• M9: 9,916,693 km (0.119 R)
• M10: 11,480,889 km (0.109 R)
• M11: 12,056,242 km (0.046 R)
• M12: 13,515,270 km (0.065 R)
• M13: 14,617,208 km (0.116 R)
• M14: 19,706,827 km (0.101 R)
• M15: 23,502,274 km (0.06 R)
• M16: 24,427,986 km (0.102 R)
• M17: 24,899,967 km (0.044 R)
• M18: 25,474,124 km (0.101 R)
• M19: 26,748,548 km (0.089 R)
• M20: 44,374,917 km (0.118 R)
• M21: 45,076,980 km (0.082 R)
• M22: 47,519,614 km (0.073 R)
• M23: 48,106,935 km (0.071 R)
• M24: 48,996,893 km (0.116 R)
• M25: 49,445,986 km (0.084 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 16,732 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit