🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.51 AU - 0.67 AU

Year: 171 Days

Day: 29.4 Hours

Environment

Temp: 189 °C

Axial Tilt: 8.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.33

Radius: 1.4

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.5 AU - 2.2 AU

Year: 948 Days

Day: 22.8 Hours

Environment

Temp: -74 °C

Axial Tilt: 28 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.13

Radius: 0.44

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.18 AU - 2.74 AU

Year: 1454 Days

Day: 35.4 Hours

Environment

Temp: -87 °C

Axial Tilt: 25.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 76,139,957 km

• M1: 390,450 km (0.101 R)
• M2: 427,850 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.8

Radius: 13.6

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 9.24 AU - 12.22 AU

Year: 13241 Days

Day: 8.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 76,139,957 km

• M1: 175,329 km (0.113 R)
• M2: 276,158 km (0.102 R)
• M3: 494,870 km (0.077 R)
• M4: 579,542 km (0.101 R)
• M5: 1,106,875 km (0.064 R)
• M6: 1,225,057 km (0.105 R)
• M7: 1,438,234 km (0.057 R)
• M8: 1,841,400 km (0.098 R)
• M9: 2,046,050 km (0.043 R)
• M10: 2,523,118 km (0.083 R)
• M11: 2,751,554 km (0.083 R)
• M12: 3,302,971 km (0.104 R)
• M13: 3,994,114 km (0.116 R)
• M14: 4,673,886 km (0.111 R)
• M15: 4,814,209 km (0.077 R)
• M16: 5,041,747 km (0.082 R)
• M17: 5,272,727 km (0.083 R)
• M18: 5,389,712 km (0.104 R)
• M19: 5,715,536 km (0.113 R)
• M20: 5,865,882 km (0.096 R)
• M21: 6,047,943 km (0.118 R)
• M22: 6,324,699 km (0.073 R)
• M23: 7,342,413 km (0.107 R)
• M24: 7,440,400 km (0.104 R)
• M25: 7,604,808 km (0.068 R)
• M26: 8,004,234 km (0.106 R)
• M27: 8,308,516 km (0.104 R)
• M28: 9,103,030 km (0.049 R)
• M29: 9,562,894 km (0.106 R)
• M30: 10,066,740 km (0.09 R)
• M31: 10,542,461 km (0.109 R)
• M32: 10,764,464 km (0.113 R)
• M33: 11,025,363 km (0.096 R)
• M34: 11,439,749 km (0.101 R)
• M35: 13,829,426 km (0.034 R)
• M36: 14,317,264 km (0.091 R)
• M37: 14,852,077 km (0.106 R)
• M38: 15,519,433 km (0.081 R)
• M39: 15,941,598 km (0.119 R)
• M40: 16,026,420 km (0.112 R)
• M41: 17,013,317 km (0.116 R)
• M42: 17,143,467 km (0.068 R)
• M43: 17,755,322 km (0.098 R)
• M44: 18,865,937 km (0.12 R)
• M45: 18,955,696 km (0.117 R)
• M46: 20,136,322 km (0.099 R)
• M47: 20,874,588 km (0.053 R)
• M48: 21,528,031 km (0.079 R)
• M49: 22,759,072 km (0.115 R)
• M50: 22,854,815 km (0.119 R)
• M51: 23,094,470 km (0.078 R)
• M52: 24,894,282 km (0.057 R)
• M53: 24,992,867 km (0.066 R)
• M54: 26,286,141 km (0.055 R)
• M55: 26,839,803 km (0.062 R)
• M56: 26,940,931 km (0.094 R)
• M57: 27,499,230 km (0.065 R)
• M58: 28,061,269 km (0.116 R)
• M59: 28,163,894 km (0.106 R)
• M60: 28,730,421 km (0.104 R)
• M61: 29,404,957 km (0.098 R)
• M62: 29,927,353 km (0.112 R)
• M63: 30,294,766 km (0.083 R)
• M64: 30,716,632 km (0.089 R)
• M65: 31,193,550 km (0.072 R)
• M66: 31,353,021 km (0.113 R)
• M67: 32,047,305 km (0.046 R)
• M68: 32,315,683 km (0.114 R)
• M69: 33,125,457 km (0.095 R)
• M70: 33,560,038 km (0.115 R)
• M71: 33,723,549 km (0.092 R)
• M72: 34,325,082 km (0.115 R)
• M73: 35,428,067 km (0.073 R)
• M74: 35,816,872 km (0.07 R)
• M75: 36,486,621 km (0.11 R)
• M76: 36,935,415 km (0.081 R)
• M77: 37,047,913 km (0.076 R)
• M78: 37,329,605 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 916

Radius: 7.3

Gravity: 17.19 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 11.05 AU - 14.61 AU

Year: 17313 Days

Day: 18.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 76,139,957 km

• M1: 109,954 km (0.113 R)
• M2: 274,512 km (0.113 R)
• M3: 428,149 km (0.071 R)
• M4: 588,817 km (0.094 R)
• M5: 745,446 km (0.118 R)
• M6: 865,723 km (0.087 R)
• M7: 1,018,761 km (0.12 R)
• M8: 1,469,201 km (0.105 R)
• M9: 1,560,007 km (0.066 R)
• M10: 2,213,001 km (0.108 R)
• M11: 2,282,564 km (0.071 R)
• M12: 2,423,934 km (0.1 R)
• M13: 2,641,450 km (0.093 R)
• M14: 3,451,672 km (0.116 R)
• M15: 3,655,424 km (0.111 R)
• M16: 3,738,002 km (0.042 R)
• M17: 4,464,748 km (0.088 R)
• M18: 4,912,345 km (0.04 R)
• M19: 5,003,600 km (0.045 R)
• M20: 5,280,805 km (0.079 R)
• M21: 5,421,277 km (0.085 R)
• M22: 5,898,494 km (0.113 R)
• M23: 6,339,509 km (0.092 R)
• M24: 8,534,110 km (0.062 R)
• M25: 8,809,669 km (0.117 R)
• M26: 9,088,220 km (0.107 R)
• M27: 9,653,999 km (0.061 R)
• M28: 10,465,119 km (0.042 R)
• M29: 10,641,794 km (0.093 R)
• M30: 12,586,866 km (0.099 R)
• M31: 12,963,703 km (0.083 R)
• M32: 13,792,624 km (0.086 R)
• M33: 13,986,354 km (0.054 R)
• M34: 14,311,280 km (0.084 R)
• M35: 14,376,655 km (0.065 R)
• M36: 15,367,740 km (0.049 R)
• M37: 15,770,308 km (0.045 R)
• M38: 17,694,586 km (0.089 R)
• M39: 18,116,452 km (0.115 R)
• M40: 18,399,641 km (0.096 R)
• M41: 19,474,352 km (0.066 R)
• M42: 19,764,422 km (0.081 R)
• M43: 19,982,835 km (0.105 R)
• M44: 20,643,010 km (0.103 R)
• M45: 21,161,367 km (0.116 R)
• M46: 21,384,866 km (0.062 R)
• M47: 21,534,314 km (0.109 R)
• M48: 21,609,263 km (0.116 R)
• M49: 22,666,172 km (0.1 R)
• M50: 22,894,757 km (0.093 R)
• M51: 23,124,240 km (0.091 R)
• M52: 26,495,728 km (0.058 R)
• M53: 27,788,852 km (0.036 R)
• M54: 28,115,424 km (0.103 R)
• M55: 31,110,523 km (0.084 R)
• M56: 32,216,799 km (0.12 R)
• M57: 32,388,089 km (0.086 R)
• M58: 32,559,827 km (0.115 R)
• M59: 34,730,791 km (0.096 R)
• M60: 37,307,016 km (0.076 R)
• M61: 38,845,630 km (0.083 R)
• M62: 40,497,191 km (0.09 R)
• M63: 41,704,296 km (0.099 R)
• M64: 42,171,640 km (0.102 R)
• M65: 45,299,582 km (0.055 R)
• M66: 45,587,707 km (0.098 R)
• M67: 45,972,772 km (0.094 R)
• M68: 47,231,489 km (0.067 R)
• M69: 48,403,438 km (0.106 R)
• M70: 50,576,796 km (0.12 R)
• M71: 50,875,693 km (0.045 R)
• M72: 52,680,890 km (0.076 R)
• M73: 55,222,857 km (0.066 R)
• M74: 55,325,481 km (0.104 R)
• M75: 55,427,956 km (0.09 R)
• M76: 57,077,721 km (0.06 R)
• M77: 57,181,393 km (0.081 R)
• M78: 57,700,497 km (0.105 R)
• M79: 58,534,505 km (0.117 R)
• M80: 59,372,403 km (0.089 R)
• M81: 60,425,273 km (0.115 R)
• M82: 60,636,655 km (0.111 R)
• M83: 60,954,101 km (0.091 R)
• M84: 61,697,004 km (0.051 R)
• M85: 61,803,368 km (0.065 R)
• M86: 62,549,563 km (0.076 R)
• M87: 62,977,412 km (0.119 R)
• M88: 63,620,982 km (0.112 R)
• M89: 65,673,166 km (0.1 R)
• M90: 66,434,619 km (0.066 R)
• M91: 67,308,570 km (0.107 R)
• M92: 74,208,921 km (0.069 R)
• M93: 75,229,179 km (0.099 R)
• M94: 76,139,931 km (0.103 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 11,306 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit