🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.49 AU - 0.73 AU

Year: 303 Days

Day: 39.3 Hours

Environment

Temp: -119 °C

Axial Tilt: 10.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,675,825 km

• M1: 145,110 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 866.5

Radius: 14.7

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.74 AU - 1.14 AU

Year: 579 Days

Day: 5.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 40,675,825 km

• M1: 184,005 km (0.087 R)
• M2: 288,724 km (0.081 R)
• M3: 401,221 km (0.106 R)
• M4: 571,464 km (0.11 R)
• M5: 681,568 km (0.117 R)
• M6: 815,458 km (0.094 R)
• M7: 938,427 km (0.11 R)
• M8: 1,057,358 km (0.067 R)
• M9: 1,187,657 km (0.1 R)
• M10: 1,323,941 km (0.075 R)
• M11: 1,606,681 km (0.062 R)
• M12: 1,738,926 km (0.105 R)
• M13: 1,847,384 km (0.069 R)
• M14: 1,979,479 km (0.113 R)
• M15: 2,223,922 km (0.065 R)
• M16: 2,425,281 km (0.086 R)
• M17: 2,539,873 km (0.069 R)
• M18: 2,822,613 km (0.093 R)
• M19: 2,951,566 km (0.056 R)
• M20: 3,099,219 km (0.107 R)
• M21: 3,240,888 km (0.057 R)
• M22: 3,393,329 km (0.071 R)
• M23: 3,617,875 km (0.112 R)
• M24: 3,714,366 km (0.091 R)
• M25: 4,009,223 km (0.036 R)
• M26: 4,302,584 km (0.114 R)
• M27: 4,451,883 km (0.031 R)
• M28: 4,602,977 km (0.119 R)
• M29: 4,698,420 km (0.12 R)
• M30: 4,978,617 km (0.052 R)
• M31: 5,165,315 km (0.119 R)
• M32: 5,404,373 km (0.115 R)
• M33: 5,657,492 km (0.045 R)
• M34: 5,821,452 km (0.068 R)
• M35: 5,935,146 km (0.086 R)
• M36: 6,070,532 km (0.102 R)
• M37: 6,164,779 km (0.091 R)
• M38: 6,418,796 km (0.119 R)
• M39: 6,719,338 km (0.117 R)
• M40: 6,937,003 km (0.068 R)
• M41: 7,090,789 km (0.119 R)
• M42: 7,223,483 km (0.077 R)
• M43: 7,412,874 km (0.101 R)
• M44: 7,547,661 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 288.3

Radius: 13.9

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.13 AU - 4.61 AU

Year: 4841 Days

Day: 7.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 40,675,825 km

• M1: 176,525 km (0.09 R)
• M2: 292,763 km (0.114 R)
• M3: 448,644 km (0.088 R)
• M4: 588,518 km (0.066 R)
• M5: 688,749 km (0.059 R)
• M6: 775,964 km (0.093 R)
• M7: 985,401 km (0.054 R)
• M8: 1,286,990 km (0.074 R)
• M9: 1,921,285 km (0.073 R)
• M10: 2,094,071 km (0.089 R)
• M11: 2,378,606 km (0.108 R)
• M12: 2,580,713 km (0.037 R)
• M13: 2,724,028 km (0.089 R)
• M14: 3,498,346 km (0.117 R)
• M15: 4,206,393 km (0.038 R)
• M16: 4,683,610 km (0.12 R)
• M17: 4,859,687 km (0.045 R)
• M18: 5,038,157 km (0.087 R)
• M19: 5,421,876 km (0.07 R)
• M20: 5,815,168 km (0.046 R)
• M21: 5,962,373 km (0.056 R)
• M22: 6,153,559 km (0.085 R)
• M23: 6,520,373 km (0.086 R)
• M24: 6,938,798 km (0.097 R)
• M25: 7,027,958 km (0.102 R)
• M26: 7,207,625 km (0.117 R)
• M27: 7,343,311 km (0.069 R)
• M28: 7,457,155 km (0.069 R)
• M29: 7,941,403 km (0.032 R)
• M30: 8,867,713 km (0.075 R)
• M31: 9,405,517 km (0.112 R)
• M32: 9,753,183 km (0.03 R)
• M33: 10,054,772 km (0.041 R)
• M34: 10,155,900 km (0.029 R)
• M35: 10,384,785 km (0.096 R)
• M36: 11,847,403 km (0.117 R)
• M37: 12,169,188 km (0.059 R)
• M38: 12,304,126 km (0.085 R)
• M39: 12,493,816 km (0.075 R)
• M40: 12,958,766 km (0.064 R)
• M41: 14,131,613 km (0.116 R)
• M42: 14,302,005 km (0.067 R)
• M43: 14,587,438 km (0.089 R)
• M44: 14,817,220 km (0.063 R)
• M45: 17,058,795 km (0.077 R)
• M46: 17,544,090 km (0.078 R)
• M47: 17,666,162 km (0.069 R)
• M48: 18,064,691 km (0.082 R)
• M49: 18,342,494 km (0.12 R)
• M50: 18,559,411 km (0.1 R)
• M51: 18,870,874 km (0.117 R)
• M52: 18,995,938 km (0.113 R)
• M53: 19,121,301 km (0.035 R)
• M54: 19,215,547 km (0.091 R)
• M55: 19,341,359 km (0.07 R)
• M56: 19,562,166 km (0.11 R)
• M57: 19,847,449 km (0.063 R)
• M58: 20,357,877 km (0.068 R)
• M59: 20,711,376 km (0.108 R)
• M60: 21,359,135 km (0.116 R)
• M61: 21,522,197 km (0.106 R)
• M62: 22,013,775 km (0.094 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 119.6

Radius: 3.2

Gravity: 11.68 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 8.51 AU - 9.33 AU

Year: 16939 Days

Day: 18.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 40,675,825 km

• M1: 109,655 km (0.114 R)
• M2: 517,010 km (0.096 R)
• M3: 1,153,250 km (0.108 R)
• M4: 1,188,705 km (0.099 R)
• M5: 2,473,601 km (0.087 R)
• M6: 4,316,946 km (0.109 R)
• M7: 4,371,998 km (0.112 R)
• M8: 4,879,284 km (0.107 R)
• M9: 5,464,212 km (0.106 R)
• M10: 5,524,051 km (0.117 R)
• M11: 5,734,685 km (0.094 R)
• M12: 6,508,555 km (0.036 R)
• M13: 7,446,384 km (0.116 R)
• M14: 7,612,437 km (0.12 R)
• M15: 7,880,367 km (0.077 R)
• M16: 8,356,986 km (0.05 R)
• M17: 10,206,614 km (0.117 R)
• M18: 10,317,017 km (0.058 R)
• M19: 10,390,919 km (0.081 R)
• M20: 10,464,969 km (0.059 R)
• M21: 10,613,520 km (0.105 R)
• M22: 12,059,384 km (0.119 R)
• M23: 12,371,594 km (0.104 R)
• M24: 12,607,510 km (0.11 R)
• M25: 13,283,842 km (0.045 R)
• M26: 14,505,907 km (0.057 R)
• M27: 14,588,635 km (0.1 R)
• M28: 14,837,865 km (0.118 R)
• M29: 16,534,454 km (0.112 R)
• M30: 19,876,770 km (0.059 R)
• M31: 20,291,455 km (0.075 R)
• M32: 21,458,319 km (0.1 R)
• M33: 21,836,352 km (0.113 R)
• M34: 24,296,938 km (0.086 R)
• M35: 24,346,156 km (0.098 R)
• M36: 24,987,632 km (0.1 R)
• M37: 25,086,815 km (0.071 R)
• M38: 25,584,826 km (0.057 R)
• M39: 26,337,902 km (0.11 R)
• M40: 28,019,980 km (0.102 R)
• M41: 28,226,126 km (0.119 R)
• M42: 28,381,110 km (0.051 R)
• M43: 28,484,631 km (0.103 R)
• M44: 29,108,305 km (0.111 R)
• M45: 30,633,904 km (0.117 R)
• M46: 32,023,519 km (0.107 R)
• M47: 34,146,312 km (0.105 R)
• M48: 35,475,041 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 101.1

Radius: 6.1

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 9.24 AU - 10.92 AU

Year: 20348 Days

Day: 19.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 40,675,825 km

• M1: 135,984 km (0.101 R)
• M2: 199,414 km (0.06 R)
• M3: 412,890 km (0.052 R)
• M4: 764,296 km (0.099 R)
• M5: 1,302,399 km (0.107 R)
• M6: 1,457,233 km (0.118 R)
• M7: 1,700,629 km (0.097 R)
• M8: 1,827,188 km (0.047 R)
• M9: 1,978,881 km (0.081 R)
• M10: 2,023,012 km (0.031 R)
• M11: 2,387,432 km (0.056 R)
• M12: 2,481,829 km (0.094 R)
• M13: 2,577,422 km (0.085 R)
• M14: 2,649,977 km (0.025 R)
• M15: 2,698,596 km (0.096 R)
• M16: 2,846,698 km (0.109 R)
• M17: 3,099,219 km (0.027 R)
• M18: 3,871,892 km (0.103 R)
• M19: 4,909,204 km (0.065 R)
• M20: 5,458,378 km (0.084 R)
• M21: 5,520,610 km (0.098 R)
• M22: 6,220,579 km (0.093 R)
• M23: 6,416,402 km (0.047 R)
• M24: 6,813,884 km (0.116 R)
• M25: 6,914,563 km (0.08 R)
• M26: 7,185,485 km (0.087 R)
• M27: 8,089,355 km (0.104 R)
• M28: 8,446,595 km (0.108 R)
• M29: 9,139,383 km (0.09 R)
• M30: 10,308,490 km (0.085 R)
• M31: 10,385,533 km (0.054 R)
• M32: 10,812,635 km (0.101 R)
• M33: 10,851,680 km (0.059 R)
• M34: 11,047,952 km (0.095 R)
• M35: 11,804,469 km (0.1 R)
• M36: 12,290,961 km (0.076 R)
• M37: 12,577,740 km (0.118 R)
• M38: 13,409,056 km (0.1 R)
• M39: 14,087,033 km (0.112 R)
• M40: 14,387,126 km (0.112 R)
• M41: 14,516,379 km (0.07 R)
• M42: 15,168,327 km (0.056 R)
• M43: 15,520,031 km (0.067 R)
• M44: 15,696,856 km (0.092 R)
• M45: 15,918,859 km (0.074 R)
• M46: 16,321,128 km (0.066 R)
• M47: 16,817,194 km (0.113 R)
• M48: 16,953,328 km (0.099 R)
• M49: 17,547,681 km (0.078 R)
• M50: 17,824,287 km (0.095 R)
• M51: 17,916,739 km (0.052 R)
• M52: 18,288,489 km (0.105 R)
• M53: 18,335,164 km (0.063 R)
• M54: 18,615,809 km (0.091 R)
• M55: 19,228,712 km (0.067 R)
• M56: 19,800,475 km (0.104 R)
• M57: 20,088,451 km (0.081 R)
• M58: 21,894,546 km (0.098 R)
• M59: 22,043,246 km (0.059 R)
• M60: 22,092,913 km (0.075 R)
• M61: 22,341,694 km (0.109 R)
• M62: 22,691,454 km (0.061 R)
• M63: 23,345,945 km (0.117 R)
• M64: 23,396,658 km (0.075 R)
• M65: 24,673,626 km (0.098 R)
• M66: 25,190,636 km (0.102 R)
• M67: 25,294,606 km (0.062 R)
• M68: 25,450,637 km (0.029 R)
• M69: 25,554,757 km (0.083 R)
• M70: 25,763,596 km (0.107 R)
• M71: 26,288,235 km (0.052 R)
• M72: 26,975,488 km (0.106 R)
• M73: 27,615,019 km (0.113 R)
• M74: 27,722,131 km (0.056 R)
• M75: 28,529,660 km (0.12 R)
• M76: 28,583,815 km (0.039 R)
• M77: 29,399,572 km (0.119 R)
• M78: 29,728,089 km (0.115 R)
• M79: 30,057,803 km (0.097 R)
• M80: 32,229,964 km (0.105 R)
• M81: 32,794,995 km (0.089 R)
• M82: 33,306,470 km (0.067 R)
• M83: 33,877,784 km (0.045 R)
• M84: 34,856,304 km (0.112 R)
• M85: 35,029,987 km (0.072 R)
• M86: 35,785,905 km (0.071 R)
• M87: 36,664,643 km (0.06 R)
• M88: 36,841,318 km (0.063 R)
• M89: 38,383,822 km (0.107 R)
• M90: 38,682,868 km (0.033 R)
• M91: 38,922,524 km (0.025 R)
• M92: 38,982,662 km (0.116 R)
• M93: 39,463,918 km (0.113 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 215 - 13,866 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit