🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.8

Radius: 10.2

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.71 AU - 0.81 AU

Year: 466 Days

Day: 7.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 93,012,288 km

• M1: 126,859 km (0.098 R)
• M2: 520,152 km (0.072 R)
• M3: 850,165 km (0.096 R)
• M4: 1,273,527 km (0.05 R)
• M5: 1,604,138 km (0.107 R)
• M6: 2,245,614 km (0.104 R)
• M7: 2,685,581 km (0.041 R)
• M8: 3,039,230 km (0.041 R)
• M9: 4,631,999 km (0.064 R)
• M10: 5,020,056 km (0.105 R)
• M11: 5,593,315 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.7

Radius: 11.9

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 2.11 AU - 2.85 AU

Year: 2745 Days

Day: 14.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 103.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 93,012,288 km

• M1: 147,952 km (0.098 R)
• M2: 597,943 km (0.04 R)
• M3: 1,235,230 km (0.081 R)
• M4: 1,617,901 km (0.037 R)
• M5: 2,163,036 km (0.107 R)
• M6: 2,565,903 km (0.081 R)
• M7: 3,155,917 km (0.101 R)
• M8: 4,162,860 km (0.086 R)
• M9: 4,917,581 km (0.098 R)
• M10: 5,645,076 km (0.079 R)
• M11: 7,177,706 km (0.049 R)
• M12: 9,066,977 km (0.08 R)
• M13: 9,620,190 km (0.096 R)
• M14: 10,580,459 km (0.083 R)
• M15: 11,379,012 km (0.12 R)
• M16: 12,413,332 km (0.071 R)
• M17: 14,934,954 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235

Radius: 9.1

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.93 AU - 3.08 AU

Year: 3653 Days

Day: 6.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 93,012,288 km

• M1: 113,246 km (0.093 R)
• M2: 409,150 km (0.11 R)
• M3: 800,498 km (0.107 R)
• M4: 1,162,824 km (0.107 R)
• M5: 1,467,406 km (0.057 R)
• M6: 1,814,622 km (0.088 R)
• M7: 2,129,376 km (0.099 R)
• M8: 2,780,276 km (0.086 R)
• M9: 4,192,181 km (0.027 R)
• M10: 5,684,121 km (0.059 R)
• M11: 6,711,858 km (0.056 R)
• M12: 7,184,438 km (0.083 R)
• M13: 7,589,998 km (0.116 R)
• M14: 7,919,412 km (0.071 R)
• M15: 8,965,251 km (0.081 R)
• M16: 9,333,561 km (0.111 R)
• M17: 9,677,187 km (0.071 R)
• M18: 11,602,063 km (0.104 R)
• M19: 11,959,303 km (0.101 R)
• M20: 12,737,959 km (0.113 R)
• M21: 14,259,968 km (0.085 R)
• M22: 15,041,468 km (0.118 R)
• M23: 15,948,479 km (0.088 R)
• M24: 17,094,549 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.3

Radius: 13.5

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.29 AU - 5.49 AU

Year: 6466 Days

Day: 13.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 93,012,288 km

• M1: 167,849 km (0.117 R)
• M2: 697,724 km (0.107 R)
• M3: 1,562,699 km (0.056 R)
• M4: 2,086,442 km (0.101 R)
• M5: 4,301,238 km (0.11 R)
• M6: 5,377,295 km (0.104 R)
• M7: 5,816,365 km (0.103 R)
• M8: 6,381,845 km (0.09 R)
• M9: 8,343,522 km (0.106 R)
• M10: 10,294,727 km (0.094 R)
• M11: 12,479,903 km (0.113 R)
• M12: 16,216,708 km (0.092 R)
• M13: 16,673,281 km (0.102 R)
• M14: 17,612,457 km (0.108 R)
• M15: 19,965,481 km (0.117 R)
• M16: 26,979,976 km (0.11 R)
• M17: 28,180,349 km (0.099 R)
• M18: 29,416,028 km (0.057 R)
• M19: 32,714,661 km (0.096 R)
• M20: 35,263,509 km (0.111 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 722

Radius: 5.9

Gravity: 20.74 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 4.56 AU - 7.38 AU

Year: 10253 Days

Day: 16.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 93,012,288 km

• M1: 73,303 km (0.1 R)
• M2: 586,424 km (0.08 R)
• M3: 784,042 km (0.114 R)
• M4: 974,331 km (0.073 R)
• M5: 1,306,438 km (0.097 R)
• M6: 1,563,148 km (0.073 R)
• M7: 2,326,845 km (0.086 R)
• M8: 2,748,412 km (0.12 R)
• M9: 4,038,694 km (0.098 R)
• M10: 4,235,116 km (0.114 R)
• M11: 4,526,682 km (0.119 R)
• M12: 5,482,612 km (0.06 R)
• M13: 6,838,418 km (0.084 R)
• M14: 8,403,810 km (0.078 R)
• M15: 8,724,847 km (0.092 R)
• M16: 9,391,306 km (0.1 R)
• M17: 13,549,827 km (0.099 R)
• M18: 15,170,570 km (0.11 R)
• M19: 16,700,059 km (0.099 R)
• M20: 18,791,737 km (0.039 R)
• M21: 22,073,615 km (0.078 R)
• M22: 23,667,580 km (0.106 R)
• M23: 24,959,358 km (0.069 R)
• M24: 28,392,928 km (0.099 R)
• M25: 31,466,267 km (0.097 R)
• M26: 32,017,684 km (0.092 R)
• M27: 33,710,534 km (0.11 R)
• M28: 34,637,293 km (0.043 R)
• M29: 39,018,865 km (0.117 R)
• M30: 41,473,915 km (0.096 R)
• M31: 42,403,666 km (0.095 R)
• M32: 47,985,013 km (0.106 R)
• M33: 48,422,437 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 154.3

Radius: 4.3

Gravity: 8.35 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 5.67 AU - 7.81 AU

Year: 12300 Days

Day: 21.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 93,012,288 km

• M1: 67,020 km (0.116 R)
• M2: 245,191 km (0.06 R)
• M3: 429,196 km (0.072 R)
• M4: 569,519 km (0.118 R)
• M5: 795,113 km (0.091 R)
• M6: 938,128 km (0.113 R)
• M7: 1,367,325 km (0.058 R)
• M8: 1,548,936 km (0.077 R)
• M9: 1,692,401 km (0.086 R)
• M10: 5,675,743 km (0.12 R)
• M11: 7,640,711 km (0.066 R)
• M12: 7,981,495 km (0.097 R)
• M13: 9,707,406 km (0.09 R)
• M14: 10,017,223 km (0.08 R)
• M15: 10,610,379 km (0.103 R)
• M16: 13,653,798 km (0.076 R)
• M17: 16,471,773 km (0.119 R)
• M18: 17,621,283 km (0.073 R)
• M19: 18,551,482 km (0.117 R)
• M20: 25,077,390 km (0.09 R)
• M21: 30,185,410 km (0.073 R)
• M22: 31,322,353 km (0.096 R)
• M23: 32,291,448 km (0.109 R)
• M24: 33,080,876 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 877.3

Radius: 5.2

Gravity: 32.44 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.42 AU - 10.7 AU

Year: 22429 Days

Day: 15.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 93,012,288 km

• M1: 64,776 km (0.031 R)
• M2: 238,758 km (0.109 R)
• M3: 422,913 km (0.096 R)
• M4: 1,359,396 km (0.093 R)
• M5: 1,685,968 km (0.116 R)
• M6: 2,063,403 km (0.049 R)
• M7: 2,495,292 km (0.12 R)
• M8: 2,850,438 km (0.093 R)
• M9: 3,096,078 km (0.12 R)
• M10: 3,296,838 km (0.071 R)
• M11: 5,985,411 km (0.1 R)
• M12: 10,045,048 km (0.084 R)
• M13: 12,238,602 km (0.108 R)
• M14: 14,812,433 km (0.118 R)
• M15: 15,219,040 km (0.086 R)
• M16: 18,650,067 km (0.116 R)
• M17: 20,195,413 km (0.094 R)
• M18: 23,101,651 km (0.091 R)
• M19: 25,225,193 km (0.094 R)
• M20: 28,088,945 km (0.092 R)
• M21: 28,586,358 km (0.082 R)
• M22: 29,598,986 km (0.039 R)
• M23: 32,099,066 km (0.089 R)
• M24: 36,918,062 km (0.057 R)
• M25: 37,815,649 km (0.077 R)
• M26: 39,498,775 km (0.086 R)
• M27: 40,280,274 km (0.094 R)
• M28: 41,071,796 km (0.111 R)
• M29: 51,210,642 km (0.033 R)
• M30: 58,957,418 km (0.09 R)
• M31: 59,568,077 km (0.07 R)
• M32: 61,843,161 km (0.061 R)
• M33: 74,328,450 km (0.061 R)
• M34: 79,659,819 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 986.1

Radius: 7.3

Gravity: 18.5 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 9.2 AU - 10.98 AU

Year: 22529 Days

Day: 19.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 93,012,288 km

• M1: 138,378 km (0.083 R)
• M2: 606,021 km (0.093 R)
• M3: 1,053,468 km (0.073 R)
• M4: 1,613,563 km (0.077 R)
• M5: 1,960,630 km (0.078 R)
• M6: 2,779,379 km (0.07 R)
• M7: 3,491,166 km (0.088 R)
• M8: 4,247,981 km (0.098 R)
• M9: 4,498,857 km (0.103 R)
• M10: 5,189,550 km (0.086 R)
• M11: 5,949,059 km (0.116 R)
• M12: 6,780,374 km (0.065 R)
• M13: 7,530,308 km (0.096 R)
• M14: 8,169,241 km (0.119 R)
• M15: 8,901,522 km (0.074 R)
• M16: 10,112,367 km (0.107 R)
• M17: 11,706,033 km (0.116 R)
• M18: 12,057,888 km (0.063 R)
• M19: 15,719,894 km (0.099 R)
• M20: 16,062,024 km (0.088 R)
• M21: 17,940,973 km (0.072 R)
• M22: 18,598,606 km (0.116 R)
• M23: 31,150,316 km (0.1 R)
• M24: 35,354,764 km (0.074 R)
• M25: 43,344,337 km (0.12 R)
• M26: 50,023,882 km (0.034 R)
• M27: 53,414,369 km (0.111 R)
• M28: 58,373,239 km (0.114 R)
• M29: 59,194,082 km (0.092 R)
• M30: 60,858,807 km (0.113 R)
• M31: 62,983,396 km (0.063 R)
• M32: 63,630,258 km (0.113 R)
• M33: 72,447,706 km (0.057 R)
• M34: 72,920,584 km (0.169 R)
• M35: 76,533,373 km (0.078 R)
• M36: 78,259,433 km (0.204 R)
• M37: 88,893,299 km (0.106 R)
• M38: 90,252,395 km (0.117 R)
• M39: 91,901,712 km (0.118 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: 294 - 14,539 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit