🌌 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: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.49 AU - 0.71 AU

Year: 171 Days

Day: 28.2 Hours

Environment

Temp: 150 °C

Axial Tilt: 45.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 43,133,709 km

• M1: 142,567 km (0.104 R)
• M2: 340,485 km (0.06 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.28

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.46 AU - 2.38 AU

Year: 982 Days

Day: 22.7 Hours

Environment

Temp: -70 °C

Axial Tilt: 44.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.42 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Ice Giant

Semi-Major Axis: 14.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 66.5

Radius: 4.4

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 11.85 AU - 17.99 AU

Year: 21263 Days

Day: 20.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 43,133,709 km

• M1: 96,640 km (0.116 R)
• M2: 189,989 km (0.114 R)
• M3: 225,145 km (0.118 R)
• M4: 379,081 km (0.093 R)
• M5: 757,414 km (0.064 R)
• M6: 831,914 km (0.1 R)
• M7: 940,223 km (0.057 R)
• M8: 1,170,603 km (0.064 R)
• M9: 1,473,240 km (0.119 R)
• M10: 1,681,480 km (0.061 R)
• M11: 2,295,879 km (0.081 R)
• M12: 2,855,674 km (0.116 R)
• M13: 2,925,536 km (0.063 R)
• M14: 3,210,969 km (0.088 R)
• M15: 3,782,433 km (0.098 R)
• M16: 4,014,608 km (0.091 R)
• M17: 4,171,985 km (0.098 R)
• M18: 4,411,791 km (0.093 R)
• M19: 4,465,646 km (0.12 R)
• M20: 4,738,363 km (0.065 R)
• M21: 5,044,739 km (0.077 R)
• M22: 5,559,655 km (0.064 R)
• M23: 5,823,396 km (0.085 R)
• M24: 6,001,567 km (0.109 R)
• M25: 6,181,384 km (0.11 R)
• M26: 6,856,070 km (0.107 R)
• M27: 6,950,018 km (0.06 R)
• M28: 6,981,284 km (0.103 R)
• M29: 7,170,525 km (0.112 R)
• M30: 7,521,781 km (0.071 R)
• M31: 7,813,198 km (0.067 R)
• M32: 8,009,620 km (0.043 R)
• M33: 8,075,443 km (0.088 R)
• M34: 8,879,531 km (0.099 R)
• M35: 9,153,146 km (0.105 R)
• M36: 9,884,530 km (0.071 R)
• M37: 9,955,140 km (0.103 R)
• M38: 10,454,198 km (0.064 R)
• M39: 10,852,129 km (0.115 R)
• M40: 10,997,987 km (0.086 R)
• M41: 11,254,846 km (0.062 R)
• M42: 11,662,650 km (0.109 R)
• M43: 11,699,900 km (0.116 R)
• M44: 12,914,485 km (0.117 R)
• M45: 13,030,423 km (0.085 R)
• M46: 13,263,198 km (0.041 R)
• M47: 14,648,773 km (0.094 R)
• M48: 16,246,030 km (0.105 R)
• M49: 16,622,418 km (0.064 R)
• M50: 16,790,566 km (0.114 R)
• M51: 17,255,965 km (0.093 R)
• M52: 17,768,637 km (0.119 R)
• M53: 17,983,609 km (0.108 R)
• M54: 18,459,779 km (0.105 R)
• M55: 18,940,138 km (0.091 R)
• M56: 18,983,970 km (0.114 R)
• M57: 19,779,382 km (0.085 R)
• M58: 20,360,569 km (0.037 R)
• M59: 20,450,478 km (0.103 R)
• M60: 20,811,457 km (0.068 R)
• M61: 21,539,849 km (0.094 R)
• M62: 25,594,550 km (0.061 R)
• M63: 25,691,639 km (0.086 R)
• M64: 25,788,728 km (0.062 R)
• M65: 25,837,497 km (0.094 R)
• M66: 26,718,030 km (0.115 R)
• M67: 27,260,921 km (0.109 R)
• M68: 27,707,919 km (0.082 R)
• M69: 27,807,551 km (0.098 R)
• M70: 28,007,265 km (0.088 R)
• M71: 28,157,311 km (0.075 R)
• M72: 30,285,939 km (0.113 R)
• M73: 30,852,018 km (0.093 R)
• M74: 31,007,001 km (0.094 R)
• M75: 31,369,626 km (0.111 R)
• M76: 32,046,706 km (0.104 R)
• M77: 32,360,862 km (0.096 R)
• M78: 32,728,723 km (0.114 R)
• M79: 34,106,968 km (0.097 R)
• M80: 34,481,262 km (0.111 R)
• M81: 34,534,818 km (0.065 R)
• M82: 35,180,034 km (0.065 R)
• M83: 35,233,889 km (0.093 R)
• M84: 35,720,680 km (0.115 R)
• M85: 35,883,443 km (0.089 R)
• M86: 36,318,623 km (0.105 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 87.7

Radius: 5.1

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 13.66 AU - 18.56 AU

Year: 23857 Days

Day: 17.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 43,133,709 km

• M1: 64,776 km (0.071 R)
• M2: 119,977 km (0.114 R)
• M3: 744,549 km (0.113 R)
• M4: 861,085 km (0.085 R)
• M5: 1,056,311 km (0.091 R)
• M6: 1,265,299 km (0.07 R)
• M7: 1,344,586 km (0.11 R)
• M8: 1,634,806 km (0.119 R)
• M9: 1,831,527 km (0.032 R)
• M10: 1,898,696 km (0.072 R)
• M11: 2,295,430 km (0.088 R)
• M12: 2,768,458 km (0.063 R)
• M13: 2,871,830 km (0.095 R)
• M14: 4,387,107 km (0.05 R)
• M15: 4,814,209 km (0.119 R)
• M16: 5,032,772 km (0.05 R)
• M17: 5,159,182 km (0.111 R)
• M18: 5,806,492 km (0.091 R)
• M19: 6,005,607 km (0.116 R)
• M20: 6,240,774 km (0.067 R)
• M21: 6,376,609 km (0.041 R)
• M22: 7,750,666 km (0.115 R)
• M23: 7,933,175 km (0.117 R)
• M24: 8,981,707 km (0.107 R)
• M25: 11,246,768 km (0.082 R)
• M26: 11,912,628 km (0.081 R)
• M27: 12,250,270 km (0.104 R)
• M28: 12,420,363 km (0.108 R)
• M29: 12,462,999 km (0.108 R)
• M30: 14,341,798 km (0.105 R)
• M31: 14,386,678 km (0.096 R)
• M32: 14,566,045 km (0.064 R)
• M33: 14,972,353 km (0.04 R)
• M34: 15,199,742 km (0.047 R)
• M35: 15,382,551 km (0.103 R)
• M36: 16,074,291 km (0.089 R)
• M37: 17,059,543 km (0.073 R)
• M38: 17,535,713 km (0.117 R)
• M39: 18,016,072 km (0.081 R)
• M40: 18,064,392 km (0.082 R)
• M41: 18,354,911 km (0.104 R)
• M42: 19,236,042 km (0.061 R)
• M43: 19,384,144 km (0.037 R)
• M44: 19,582,361 km (0.096 R)
• M45: 19,930,775 km (0.118 R)
• M46: 20,331,398 km (0.118 R)
• M47: 22,374,306 km (0.099 R)
• M48: 23,314,828 km (0.09 R)
• M49: 23,736,844 km (0.06 R)
• M50: 24,161,552 km (0.089 R)
• M51: 24,535,098 km (0.081 R)
• M52: 24,642,210 km (0.113 R)
• M53: 24,856,883 km (0.071 R)
• M54: 25,126,010 km (0.109 R)
• M55: 25,342,178 km (0.109 R)
• M56: 25,884,920 km (0.111 R)
• M57: 26,486,453 km (0.1 R)
• M58: 27,425,179 km (0.039 R)
• M59: 28,038,381 km (0.103 R)
• M60: 28,487,175 km (0.103 R)
• M61: 29,164,853 km (0.065 R)
• M62: 29,448,790 km (0.112 R)
• M63: 29,962,060 km (0.1 R)
• M64: 32,103,404 km (0.046 R)
• M65: 32,396,616 km (0.111 R)
• M66: 33,162,856 km (0.103 R)
• M67: 33,399,819 km (0.055 R)
• M68: 33,756,460 km (0.083 R)
• M69: 33,816,000 km (0.115 R)
• M70: 33,875,540 km (0.107 R)
• M71: 35,557,918 km (0.113 R)
• M72: 35,861,153 km (0.116 R)
• M73: 37,390,492 km (0.052 R)
• M74: 38,504,697 km (0.097 R)
• M75: 39,003,306 km (0.069 R)
• M76: 39,755,335 km (0.091 R)
• M77: 40,702,140 km (0.111 R)
• M78: 42,746,694 km (0.109 R)
• M79: 43,004,601 km (0.084 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 18,128 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit