🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.55 AU - 0.57 AU

Year: 271 Days

Day: 19.6 Hours

Environment

Temp: -122 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.7

Radius: 8.9

Gravity: 8.91 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.59 AU - 0.89 AU

Year: 411 Days

Day: 10.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 79,515,343 km

• M1: 111,151 km (0.106 R)
• M2: 213,177 km (0.056 R)
• M3: 271,071 km (0.043 R)
• M4: 348,713 km (0.077 R)
• M5: 439,219 km (0.097 R)
• M6: 500,106 km (0.053 R)
• M7: 564,283 km (0.1 R)
• M8: 682,316 km (0.06 R)
• M9: 771,476 km (0.099 R)
• M10: 926,160 km (0.087 R)
• M11: 1,007,542 km (0.085 R)
• M12: 1,082,041 km (0.037 R)
• M13: 1,143,975 km (0.087 R)
• M14: 1,251,685 km (0.06 R)
• M15: 1,327,083 km (0.081 R)
• M16: 1,419,684 km (0.1 R)
• M17: 1,493,286 km (0.087 R)
• M18: 1,606,232 km (0.114 R)
• M19: 1,671,906 km (0.116 R)
• M20: 1,766,751 km (0.1 R)
• M21: 1,898,098 km (0.063 R)
• M22: 1,961,976 km (0.096 R)
• M23: 2,038,421 km (0.089 R)
• M24: 2,134,014 km (0.08 R)
• M25: 2,255,637 km (0.068 R)
• M26: 2,335,971 km (0.113 R)
• M27: 2,467,766 km (0.094 R)
• M28: 2,647,434 km (0.078 R)
• M29: 2,752,002 km (0.089 R)
• M30: 2,858,067 km (0.101 R)
• M31: 3,080,968 km (0.098 R)
• M32: 3,156,665 km (0.09 R)
• M33: 3,232,810 km (0.105 R)
• M34: 3,330,797 km (0.061 R)
• M35: 3,479,497 km (0.059 R)
• M36: 3,587,207 km (0.069 R)
• M37: 3,703,146 km (0.111 R)
• M38: 3,768,969 km (0.077 R)
• M39: 3,827,910 km (0.118 R)
• M40: 3,909,292 km (0.101 R)
• M41: 4,302,136 km (0.068 R)
• M42: 4,479,858 km (0.106 R)
• M43: 4,597,143 km (0.082 R)
• M44: 4,683,760 km (0.028 R)
• M45: 4,955,130 km (0.084 R)
• M46: 5,043,991 km (0.048 R)
• M47: 5,100,839 km (0.029 R)
• M48: 5,264,499 km (0.108 R)
• M49: 5,338,699 km (0.068 R)
• M50: 5,521,508 km (0.09 R)
• M51: 5,630,565 km (0.057 R)
• M52: 5,757,274 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 188.6

Radius: 14.5

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1.22 AU - 1.84 AU

Year: 1222 Days

Day: 13.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 79,515,343 km

• M1: 310,416 km (0.077 R)
• M2: 495,917 km (0.087 R)
• M3: 642,373 km (0.082 R)
• M4: 786,735 km (0.106 R)
• M5: 938,278 km (0.068 R)
• M6: 1,050,925 km (0.11 R)
• M7: 1,261,708 km (0.106 R)
• M8: 1,443,320 km (0.117 R)
• M9: 1,588,879 km (0.106 R)
• M10: 1,922,931 km (0.094 R)
• M11: 2,112,920 km (0.116 R)
• M12: 2,309,342 km (0.096 R)
• M13: 2,496,788 km (0.095 R)
• M14: 2,689,471 km (0.044 R)
• M15: 2,895,317 km (0.117 R)
• M16: 3,000,185 km (0.101 R)
• M17: 3,255,549 km (0.082 R)
• M18: 3,466,781 km (0.098 R)
• M19: 3,849,752 km (0.075 R)
• M20: 4,019,545 km (0.117 R)
• M21: 4,274,161 km (0.103 R)
• M22: 4,385,013 km (0.099 R)
• M23: 4,506,037 km (0.074 R)
• M24: 4,732,828 km (0.062 R)
• M25: 5,395,546 km (0.116 R)
• M26: 5,606,180 km (0.04 R)
• M27: 5,707,458 km (0.051 R)
• M28: 5,942,775 km (0.03 R)
• M29: 6,286,103 km (0.092 R)
• M30: 7,079,570 km (0.108 R)
• M31: 7,376,970 km (0.096 R)
• M32: 7,488,271 km (0.111 R)
• M33: 7,600,021 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.7

Radius: 13.6

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 3.09 AU - 4.01 AU

Year: 4319 Days

Day: 6.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 79,515,343 km

• M1: 192,832 km (0.087 R)
• M2: 292,464 km (0.107 R)
• M3: 483,500 km (0.119 R)
• M4: 656,286 km (0.094 R)
• M5: 756,965 km (0.075 R)
• M6: 863,629 km (0.119 R)
• M7: 1,179,878 km (0.067 R)
• M8: 2,227,512 km (0.079 R)
• M9: 2,370,827 km (0.095 R)
• M10: 2,600,161 km (0.099 R)
• M11: 2,717,745 km (0.114 R)
• M12: 2,854,178 km (0.037 R)
• M13: 2,993,005 km (0.102 R)
• M14: 3,098,770 km (0.113 R)
• M15: 3,187,781 km (0.083 R)
• M16: 3,571,350 km (0.065 R)
• M17: 3,911,984 km (0.088 R)
• M18: 4,008,625 km (0.058 R)
• M19: 4,463,103 km (0.071 R)
• M20: 4,604,772 km (0.118 R)
• M21: 4,768,432 km (0.086 R)
• M22: 5,292,773 km (0.062 R)
• M23: 5,791,682 km (0.097 R)
• M24: 6,102,696 km (0.078 R)
• M25: 6,671,915 km (0.096 R)
• M26: 7,045,162 km (0.101 R)
• M27: 7,234,553 km (0.107 R)
• M28: 7,618,122 km (0.099 R)
• M29: 8,008,423 km (0.087 R)
• M30: 8,107,008 km (0.08 R)
• M31: 8,355,340 km (0.105 R)
• M32: 8,834,053 km (0.04 R)
• M33: 8,961,511 km (0.104 R)
• M34: 9,192,490 km (0.081 R)
• M35: 9,321,743 km (0.118 R)
• M36: 9,529,684 km (0.084 R)
• M37: 9,871,066 km (0.074 R)
• M38: 10,189,709 km (0.118 R)
• M39: 10,809,942 km (0.1 R)
• M40: 11,166,135 km (0.058 R)
• M41: 12,058,935 km (0.12 R)
• M42: 12,399,719 km (0.03 R)
• M43: 13,061,839 km (0.083 R)
• M44: 13,178,076 km (0.036 R)
• M45: 13,587,975 km (0.103 R)
• M46: 14,061,601 km (0.117 R)
• M47: 14,390,268 km (0.044 R)
• M48: 14,540,614 km (0.065 R)
• M49: 14,721,627 km (0.101 R)
• M50: 14,812,433 km (0.088 R)
• M51: 15,146,934 km (0.038 R)
• M52: 16,447,089 km (0.083 R)
• M53: 16,730,427 km (0.056 R)
• M54: 17,078,841 km (0.099 R)
• M55: 17,301,742 km (0.072 R)
• M56: 17,847,325 km (0.066 R)
• M57: 18,529,192 km (0.072 R)
• M58: 18,725,465 km (0.052 R)
• M59: 19,451,463 km (0.097 R)
• M60: 19,951,718 km (0.094 R)
• M61: 20,085,758 km (0.073 R)
• M62: 20,220,247 km (0.066 R)
• M63: 20,388,694 km (0.109 R)
• M64: 20,659,167 km (0.092 R)
• M65: 21,649,654 km (0.105 R)
• M66: 21,821,991 km (0.044 R)
• M67: 22,168,011 km (0.12 R)
• M68: 22,306,987 km (0.103 R)
• M69: 23,006,058 km (0.052 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 657.3

Radius: 6.3

Gravity: 16.56 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 10.39 AU - 10.51 AU

Year: 21812 Days

Day: 24.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 79,515,343 km

• M1: 115,340 km (0.037 R)
• M2: 169,943 km (0.091 R)
• M3: 239,057 km (0.099 R)
• M4: 887,714 km (0.03 R)
• M5: 1,075,160 km (0.088 R)
• M6: 1,364,482 km (0.102 R)
• M7: 1,518,119 km (0.074 R)
• M8: 1,581,249 km (0.09 R)
• M9: 1,709,904 km (0.119 R)
• M10: 1,909,617 km (0.093 R)
• M11: 2,116,810 km (0.104 R)
• M12: 2,187,570 km (0.112 R)
• M13: 3,055,836 km (0.05 R)
• M14: 3,095,778 km (0.047 R)
• M15: 3,135,871 km (0.057 R)
• M16: 3,176,262 km (0.084 R)
• M17: 3,673,525 km (0.068 R)
• M18: 4,284,184 km (0.091 R)
• M19: 5,162,323 km (0.114 R)
• M20: 5,548,286 km (0.101 R)
• M21: 6,761,375 km (0.101 R)
• M22: 6,918,602 km (0.117 R)
• M23: 7,451,470 km (0.046 R)
• M24: 7,997,502 km (0.114 R)
• M25: 8,955,078 km (0.115 R)
• M26: 9,593,861 km (0.063 R)
• M27: 11,099,414 km (0.109 R)
• M28: 11,161,198 km (0.117 R)
• M29: 11,222,982 km (0.096 R)
• M30: 12,612,596 km (0.062 R)
• M31: 13,196,477 km (0.076 R)
• M32: 13,988,747 km (0.099 R)
• M33: 14,458,036 km (0.116 R)
• M34: 14,864,344 km (0.092 R)
• M35: 17,236,667 km (0.114 R)
• M36: 17,595,402 km (0.098 R)
• M37: 19,574,582 km (0.078 R)
• M38: 19,649,232 km (0.117 R)
• M39: 20,023,974 km (0.098 R)
• M40: 20,325,414 km (0.101 R)
• M41: 20,400,961 km (0.081 R)
• M42: 21,392,196 km (0.084 R)
• M43: 22,010,036 km (0.054 R)
• M44: 23,026,403 km (0.078 R)
• M45: 23,263,067 km (0.106 R)
• M46: 23,500,629 km (0.064 R)
• M47: 25,755,966 km (0.08 R)
• M48: 27,408,723 km (0.109 R)
• M49: 27,659,599 km (0.09 R)
• M50: 30,037,457 km (0.117 R)
• M51: 30,209,794 km (0.056 R)
• M52: 31,250,696 km (0.103 R)
• M53: 31,512,791 km (0.107 R)
• M54: 33,011,613 km (0.094 R)
• M55: 33,456,816 km (0.094 R)
• M56: 33,814,504 km (0.065 R)
• M57: 35,804,006 km (0.08 R)
• M58: 36,905,047 km (0.076 R)
• M59: 39,611,571 km (0.066 R)
• M60: 40,369,434 km (0.089 R)
• M61: 42,477,867 km (0.061 R)
• M62: 44,622,053 km (0.108 R)
• M63: 45,212,815 km (0.115 R)
• M64: 45,806,270 km (0.111 R)
• M65: 46,103,969 km (0.072 R)
• M66: 47,802,952 km (0.086 R)
• M67: 48,205,670 km (0.106 R)
• M68: 48,407,477 km (0.119 R)
• M69: 48,710,712 km (0.06 R)
• M70: 49,115,973 km (0.038 R)
• M71: 49,827,909 km (0.105 R)
• M72: 54,275,304 km (0.059 R)
• M73: 55,011,326 km (0.109 R)
• M74: 55,856,404 km (0.079 R)
• M75: 57,132,175 km (0.095 R)
• M76: 57,666,538 km (0.119 R)
• M77: 61,453,309 km (0.041 R)
• M78: 65,542,866 km (0.106 R)
• M79: 66,102,213 km (0.079 R)
• M80: 66,775,553 km (0.032 R)
• M81: 67,225,693 km (0.113 R)
• M82: 67,338,490 km (0.075 R)
• M83: 68,355,456 km (0.091 R)
• M84: 68,809,186 km (0.105 R)
• M85: 69,719,489 km (0.114 R)
• M86: 70,404,947 km (0.077 R)
• M87: 70,863,015 km (0.027 R)
• M88: 74,214,157 km (0.098 R)
• M89: 74,447,081 km (0.118 R)
• M90: 74,797,140 km (0.114 R)
• M91: 78,089,789 km (0.101 R)
• M92: 79,158,217 km (0.102 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 17,600 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit