🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.59 AU - 0.63 AU

Year: 180 Days

Day: 38.2 Hours

Environment

Temp: 112 °C

Axial Tilt: 23.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.35 AU - 4.83 AU

Year: 3133 Days

Day: 23.4 Hours

Environment

Temp: -124 °C

Axial Tilt: 34.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Ice Giant

Semi-Major Axis: 13.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 642

Radius: 7.5

Gravity: 11.41 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 12.02 AU - 14.48 AU

Year: 18267 Days

Day: 18.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 96,641,145 km

• M1: 118,033 km (0.053 R)
• M2: 438,920 km (0.104 R)
• M3: 653,294 km (0.074 R)
• M4: 1,071,121 km (0.098 R)
• M5: 1,560,007 km (0.107 R)
• M6: 1,618,200 km (0.069 R)
• M7: 1,767,200 km (0.049 R)
• M8: 3,076,331 km (0.063 R)
• M9: 3,149,933 km (0.12 R)
• M10: 3,299,082 km (0.099 R)
• M11: 3,412,477 km (0.087 R)
• M12: 3,488,772 km (0.038 R)
• M13: 3,760,292 km (0.031 R)
• M14: 3,839,130 km (0.081 R)
• M15: 4,038,694 km (0.089 R)
• M16: 4,406,555 km (0.119 R)
• M17: 4,913,692 km (0.093 R)
• M18: 5,043,393 km (0.082 R)
• M19: 5,130,459 km (0.09 R)
• M20: 6,638,406 km (0.028 R)
• M21: 6,733,999 km (0.07 R)
• M22: 7,514,750 km (0.092 R)
• M23: 7,865,407 km (0.098 R)
• M24: 9,914,449 km (0.103 R)
• M25: 10,520,769 km (0.04 R)
• M26: 11,769,014 km (0.096 R)
• M27: 11,826,759 km (0.074 R)
• M28: 12,351,698 km (0.111 R)
• M29: 12,410,490 km (0.112 R)
• M30: 12,469,431 km (0.1 R)
• M31: 14,464,319 km (0.095 R)
• M32: 14,650,568 km (0.064 R)
• M33: 15,976,305 km (0.115 R)
• M34: 16,104,510 km (0.111 R)
• M35: 18,808,342 km (0.093 R)
• M36: 19,079,563 km (0.06 R)
• M37: 19,488,863 km (0.062 R)
• M38: 20,039,084 km (0.051 R)
• M39: 20,524,678 km (0.055 R)
• M40: 20,873,840 km (0.087 R)
• M41: 21,295,556 km (0.087 R)
• M42: 22,505,653 km (0.113 R)
• M43: 23,082,802 km (0.106 R)
• M44: 24,843,120 km (0.113 R)
• M45: 25,889,856 km (0.062 R)
• M46: 26,874,809 km (0.109 R)
• M47: 27,180,288 km (0.114 R)
• M48: 30,934,895 km (0.111 R)
• M49: 32,303,117 km (0.104 R)
• M50: 32,709,275 km (0.065 R)
• M51: 33,280,739 km (0.099 R)
• M52: 33,444,549 km (0.113 R)
• M53: 34,268,085 km (0.111 R)
• M54: 34,433,540 km (0.09 R)
• M55: 35,683,281 km (0.087 R)
• M56: 36,187,276 km (0.05 R)
• M57: 36,355,723 km (0.117 R)
• M58: 37,032,504 km (0.085 R)
• M59: 37,287,419 km (0.107 R)
• M60: 37,884,314 km (0.083 R)
• M61: 38,226,744 km (0.094 R)
• M62: 38,398,482 km (0.1 R)
• M63: 39,607,083 km (0.099 R)
• M64: 39,954,749 km (0.064 R)
• M65: 42,061,685 km (0.107 R)
• M66: 42,327,670 km (0.105 R)
• M67: 43,396,846 km (0.113 R)
• M68: 44,474,849 km (0.088 R)
• M69: 44,926,634 km (0.105 R)
• M70: 45,379,916 km (0.104 R)
• M71: 45,470,871 km (0.034 R)
• M72: 45,561,677 km (0.117 R)
• M73: 46,474,075 km (0.086 R)
• M74: 50,653,839 km (0.116 R)
• M75: 52,073,672 km (0.066 R)
• M76: 52,454,399 km (0.106 R)
• M77: 53,986,880 km (0.061 R)
• M78: 55,534,021 km (0.088 R)
• M79: 55,923,125 km (0.093 R)
• M80: 58,375,184 km (0.094 R)
• M81: 58,671,686 km (0.096 R)
• M82: 59,167,155 km (0.109 R)
• M83: 59,863,084 km (0.096 R)
• M84: 63,688,152 km (0.073 R)
• M85: 63,891,755 km (0.118 R)
• M86: 64,503,610 km (0.111 R)
• M87: 64,707,961 km (0.12 R)
• M88: 65,938,702 km (0.08 R)
• M89: 68,423,224 km (0.094 R)
• M90: 68,631,614 km (0.111 R)
• M91: 69,677,003 km (0.059 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 951.9

Radius: 6.8

Gravity: 20.59 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 13.39 AU - 18.65 AU

Year: 24285 Days

Day: 20.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 96,641,145 km

• M1: 109,057 km (0.099 R)
• M2: 227,688 km (0.049 R)
• M3: 280,047 km (0.094 R)
• M4: 689,945 km (0.099 R)
• M5: 945,459 km (0.066 R)
• M6: 1,099,993 km (0.102 R)
• M7: 1,989,053 km (0.059 R)
• M8: 2,735,098 km (0.075 R)
• M9: 3,559,233 km (0.114 R)
• M10: 3,948,785 km (0.059 R)
• M11: 4,249,776 km (0.113 R)
• M12: 4,767,983 km (0.093 R)
• M13: 5,305,937 km (0.1 R)
• M14: 7,830,102 km (0.063 R)
• M15: 8,399,023 km (0.047 R)
• M16: 9,112,455 km (0.072 R)
• M17: 11,014,143 km (0.093 R)
• M18: 11,793,847 km (0.094 R)
• M19: 12,226,634 km (0.077 R)
• M20: 12,299,189 km (0.112 R)
• M21: 14,237,529 km (0.061 R)
• M22: 15,163,839 km (0.106 R)
• M23: 15,871,137 km (0.076 R)
• M24: 16,268,768 km (0.079 R)
• M25: 16,509,023 km (0.113 R)
• M26: 17,317,898 km (0.08 R)
• M27: 17,399,579 km (0.097 R)
• M28: 17,809,477 km (0.081 R)
• M29: 18,638,997 km (0.059 R)
• M30: 21,376,788 km (0.068 R)
• M31: 21,992,233 km (0.088 R)
• M32: 22,435,342 km (0.097 R)
• M33: 22,613,513 km (0.099 R)
• M34: 22,702,674 km (0.086 R)
• M35: 23,420,743 km (0.113 R)
• M36: 23,873,277 km (0.081 R)
• M37: 26,648,467 km (0.119 R)
• M38: 27,026,202 km (0.113 R)
• M39: 27,978,093 km (0.073 R)
• M40: 28,941,054 km (0.071 R)
• M41: 29,329,261 km (0.112 R)
• M42: 29,816,950 km (0.08 R)
• M43: 31,494,989 km (0.093 R)
• M44: 31,994,347 km (0.059 R)
• M45: 33,711,731 km (0.113 R)
• M46: 33,915,632 km (0.071 R)
• M47: 35,666,227 km (0.1 R)
• M48: 35,770,197 km (0.099 R)
• M49: 36,604,804 km (0.083 R)
• M50: 38,933,295 km (0.117 R)
• M51: 40,115,417 km (0.037 R)
• M52: 40,331,586 km (0.11 R)
• M53: 43,176,937 km (0.096 R)
• M54: 43,620,495 km (0.083 R)
• M55: 45,072,193 km (0.068 R)
• M56: 47,108,369 km (0.103 R)
• M57: 47,679,235 km (0.106 R)
• M58: 48,712,657 km (0.084 R)
• M59: 50,918,478 km (0.066 R)
• M60: 51,152,598 km (0.119 R)
• M61: 51,974,639 km (0.083 R)
• M62: 53,156,611 km (0.091 R)
• M63: 56,270,940 km (0.031 R)
• M64: 58,706,543 km (0.077 R)
• M65: 59,813,717 km (0.034 R)
• M66: 62,173,773 km (0.071 R)
• M67: 62,424,050 km (0.104 R)
• M68: 62,549,263 km (0.057 R)
• M69: 63,932,146 km (0.076 R)
• M70: 64,437,488 km (0.09 R)
• M71: 64,564,047 km (0.095 R)
• M72: 68,528,092 km (0.119 R)
• M73: 69,045,252 km (0.059 R)
• M74: 74,686,438 km (0.092 R)
• M75: 77,360,200 km (0.054 R)
• M76: 77,763,965 km (0.073 R)
• M77: 78,303,415 km (0.104 R)
• M78: 79,114,984 km (0.082 R)
• M79: 81,019,215 km (0.12 R)
• M80: 81,566,145 km (0.088 R)
• M81: 81,977,090 km (0.053 R)
• M82: 86,403,093 km (0.098 R)
• M83: 88,785,738 km (0.067 R)
• M84: 91,332,193 km (0.067 R)
• M85: 91,758,846 km (0.073 R)
• M86: 91,901,263 km (0.079 R)
• M87: 95,196,455 km (0.079 R)
• M88: 95,773,454 km (0.116 R)
• M89: 95,917,816 km (0.085 R)
• M90: 96,351,650 km (0.107 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 11,690 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit