🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 751.9

Radius: 13.8

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.75 AU - 0.77 AU

Year: 449 Days

Day: 9.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,523,745 km

• M1: 171,589 km (0.078 R)
• M2: 917,783 km (0.092 R)
• M3: 1,426,266 km (0.079 R)
• M4: 1,856,360 km (0.089 R)
• M5: 2,292,438 km (0.104 R)
• M6: 2,777,135 km (0.11 R)
• M7: 3,225,629 km (0.032 R)
• M8: 4,691,838 km (0.097 R)
• M9: 5,565,938 km (0.056 R)
• M10: 6,249,750 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.6

Radius: 10.4

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.52 AU - 1.64 AU

Year: 1347 Days

Day: 13.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 170.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,523,745 km

• M1: 133,740 km (0.096 R)
• M2: 624,272 km (0.103 R)
• M3: 1,026,690 km (0.099 R)
• M4: 1,418,936 km (0.093 R)
• M5: 2,160,941 km (0.12 R)
• M6: 2,576,973 km (0.09 R)
• M7: 2,937,055 km (0.069 R)
• M8: 3,287,114 km (0.066 R)
• M9: 3,824,320 km (0.06 R)
• M10: 5,334,211 km (0.08 R)
• M11: 5,729,748 km (0.111 R)
• M12: 6,144,583 km (0.095 R)
• M13: 6,768,855 km (0.084 R)
• M14: 7,133,574 km (0.095 R)
• M15: 7,511,459 km (0.05 R)
• M16: 9,484,954 km (0.108 R)
• M17: 10,004,507 km (0.111 R)
• M18: 11,134,270 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.6

Radius: 12.5

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.51 AU - 4.95 AU

Year: 5901 Days

Day: 12.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,523,745 km

• M1: 156,180 km (0.097 R)
• M2: 589,715 km (0.079 R)
• M3: 1,443,171 km (0.116 R)
• M4: 2,001,919 km (0.102 R)
• M5: 2,758,734 km (0.084 R)
• M6: 3,385,101 km (0.04 R)
• M7: 5,065,833 km (0.072 R)
• M8: 7,138,062 km (0.085 R)
• M9: 8,525,732 km (0.09 R)
• M10: 11,079,966 km (0.066 R)
• M11: 12,718,512 km (0.066 R)
• M12: 16,280,886 km (0.076 R)
• M13: 17,249,532 km (0.104 R)
• M14: 17,983,908 km (0.075 R)
• M15: 21,131,746 km (0.098 R)
• M16: 22,284,099 km (0.081 R)
• M17: 23,885,095 km (0.053 R)
• M18: 25,647,358 km (0.046 R)
• M19: 26,869,274 km (0.062 R)
• M20: 27,584,800 km (0.082 R)
• M21: 32,751,312 km (0.109 R)
• M22: 34,502,655 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 907.8

Radius: 7.4

Gravity: 16.58 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 5.51 AU - 6.13 AU

Year: 9523 Days

Day: 19 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,523,745 km

• M1: 92,152 km (0.032 R)
• M2: 341,981 km (0.092 R)
• M3: 840,142 km (0.074 R)
• M4: 1,319,902 km (0.059 R)
• M5: 1,651,860 km (0.097 R)
• M6: 2,144,785 km (0.069 R)
• M7: 2,710,713 km (0.06 R)
• M8: 3,063,465 km (0.065 R)
• M9: 5,578,355 km (0.088 R)
• M10: 8,013,659 km (0.11 R)
• M11: 11,080,116 km (0.09 R)
• M12: 12,098,877 km (0.075 R)
• M13: 12,392,688 km (0.088 R)
• M14: 13,933,695 km (0.114 R)
• M15: 16,300,034 km (0.113 R)
• M16: 19,079,264 km (0.079 R)
• M17: 19,719,243 km (0.086 R)
• M18: 26,530,285 km (0.083 R)
• M19: 27,630,428 km (0.101 R)
• M20: 28,552,848 km (0.093 R)
• M21: 29,495,614 km (0.077 R)
• M22: 32,902,107 km (0.063 R)
• M23: 34,054,609 km (0.11 R)
• M24: 34,877,098 km (0.087 R)
• M25: 35,954,053 km (0.119 R)
• M26: 45,239,742 km (0.05 R)
• M27: 45,948,088 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.6

Radius: 8

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 5.97 AU - 6.93 AU

Year: 11110 Days

Day: 20.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,523,745 km

• M1: 99,483 km (0.081 R)
• M2: 376,987 km (0.106 R)
• M3: 828,174 km (0.063 R)
• M4: 1,694,645 km (0.085 R)
• M5: 1,965,866 km (0.115 R)
• M6: 2,483,325 km (0.071 R)
• M7: 2,814,983 km (0.113 R)
• M8: 3,333,639 km (0.083 R)
• M9: 4,675,532 km (0.082 R)
• M10: 5,403,176 km (0.093 R)
• M11: 5,694,742 km (0.042 R)
• M12: 6,345,044 km (0.083 R)
• M13: 6,743,573 km (0.102 R)
• M14: 7,752,162 km (0.11 R)
• M15: 8,947,149 km (0.096 R)
• M16: 9,730,145 km (0.05 R)
• M17: 10,912,267 km (0.112 R)
• M18: 11,913,825 km (0.12 R)
• M19: 13,323,336 km (0.112 R)
• M20: 13,917,090 km (0.074 R)
• M21: 16,537,596 km (0.088 R)
• M22: 18,215,037 km (0.098 R)
• M23: 18,578,410 km (0.099 R)
• M24: 20,389,741 km (0.054 R)
• M25: 22,899,694 km (0.056 R)
• M26: 32,603,061 km (0.076 R)
• M27: 38,943,617 km (0.035 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 795.6

Radius: 5.4

Gravity: 27.28 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 6.17 AU - 8.05 AU

Year: 12859 Days

Day: 18.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 71,523,745 km

• M1: 67,319 km (0.114 R)
• M2: 288,724 km (0.077 R)
• M3: 550,371 km (0.059 R)
• M4: 1,199,925 km (0.101 R)
• M5: 2,091,378 km (0.118 R)
• M6: 2,843,706 km (0.11 R)
• M7: 3,904,654 km (0.054 R)
• M8: 4,898,582 km (0.088 R)
• M9: 5,859,898 km (0.062 R)
• M10: 7,026,014 km (0.113 R)
• M11: 7,241,584 km (0.108 R)
• M12: 7,550,953 km (0.054 R)
• M13: 9,807,487 km (0.111 R)
• M14: 19,448,022 km (0.027 R)
• M15: 22,558,910 km (0.036 R)
• M16: 25,781,398 km (0.069 R)
• M17: 26,088,821 km (0.086 R)
• M18: 30,996,978 km (0.085 R)
• M19: 31,577,567 km (0.119 R)
• M20: 36,873,930 km (0.089 R)
• M21: 42,875,947 km (0.109 R)
• M22: 48,712,807 km (0.088 R)
• M23: 49,813,548 km (0.106 R)
• M24: 51,901,635 km (0.03 R)
• M25: 52,228,057 km (0.08 R)
• M26: 54,550,864 km (0.089 R)
• M27: 58,514,908 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.2

Radius: 3.9

Gravity: 12.64 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.87 AU - 8.87 AU

Year: 14975 Days

Day: 19.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 71,523,745 km

• M1: 61,934 km (0.088 R)
• M2: 246,537 km (0.116 R)
• M3: 629,957 km (0.081 R)
• M4: 777,909 km (0.098 R)
• M5: 1,235,529 km (0.096 R)
• M6: 1,962,574 km (0.063 R)
• M7: 2,246,661 km (0.09 R)
• M8: 3,472,167 km (0.115 R)
• M9: 6,087,287 km (0.1 R)
• M10: 7,137,913 km (0.067 R)
• M11: 7,766,523 km (0.093 R)
• M12: 10,112,367 km (0.074 R)
• M13: 10,602,450 km (0.072 R)
• M14: 11,576,930 km (0.078 R)
• M15: 13,939,829 km (0.045 R)
• M16: 14,180,233 km (0.116 R)
• M17: 14,362,443 km (0.104 R)
• M18: 14,981,180 km (0.065 R)
• M19: 17,080,337 km (0.109 R)
• M20: 18,271,435 km (0.036 R)
• M21: 18,631,966 km (0.116 R)
• M22: 20,045,666 km (0.088 R)
• M23: 25,242,696 km (0.096 R)
• M24: 25,421,017 km (0.063 R)
• M25: 29,067,165 km (0.107 R)
• M26: 30,255,421 km (0.111 R)
• M27: 30,658,588 km (0.07 R)
• M28: 31,682,286 km (0.064 R)
• M29: 32,940,554 km (0.086 R)
• M30: 36,344,354 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 368.6

Radius: 5.5

Gravity: 12.19 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 7.98 AU - 9.12 AU

Year: 16957 Days

Day: 24.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,523,745 km

• M1: 70,909 km (0.068 R)
• M2: 460,313 km (0.098 R)
• M3: 843,433 km (0.05 R)
• M4: 1,098,796 km (0.051 R)
• M5: 2,058,317 km (0.1 R)
• M6: 2,850,438 km (0.071 R)
• M7: 3,968,981 km (0.036 R)
• M8: 4,259,201 km (0.102 R)
• M9: 5,080,493 km (0.075 R)
• M10: 6,385,286 km (0.082 R)
• M11: 6,784,114 km (0.101 R)
• M12: 7,031,399 km (0.08 R)
• M13: 7,241,883 km (0.062 R)
• M14: 10,816,076 km (0.047 R)
• M15: 11,498,242 km (0.076 R)
• M16: 12,269,269 km (0.112 R)
• M17: 12,513,263 km (0.073 R)
• M18: 13,847,826 km (0.084 R)
• M19: 16,946,596 km (0.09 R)
• M20: 19,305,755 km (0.083 R)
• M21: 20,735,312 km (0.025 R)
• M22: 26,750,942 km (0.056 R)
• M23: 28,631,237 km (0.038 R)
• M24: 29,168,892 km (0.075 R)
• M25: 34,072,860 km (0.056 R)
• M26: 36,655,966 km (0.096 R)
• M27: 37,035,346 km (0.073 R)
• M28: 37,545,176 km (0.116 R)
• M29: 42,069,764 km (0.098 R)
• M30: 44,749,959 km (0.115 R)
• M31: 47,392,007 km (0.086 R)
• M32: 47,992,942 km (0.099 R)
• M33: 49,981,097 km (0.058 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568

Radius: 7.7

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.64 AU - 10.46 AU

Year: 20017 Days

Day: 21.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 171.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 71,523,745 km

• M1: 96,491 km (0.09 R)
• M2: 405,111 km (0.059 R)
• M3: 658,679 km (0.118 R)
• M4: 1,266,196 km (0.099 R)
• M5: 1,680,582 km (0.109 R)
• M6: 1,948,213 km (0.104 R)
• M7: 2,371,126 km (0.099 R)
• M8: 3,345,607 km (0.1 R)
• M9: 3,832,398 km (0.082 R)
• M10: 4,332,803 km (0.12 R)
• M11: 4,701,562 km (0.047 R)
• M12: 5,350,069 km (0.098 R)
• M13: 7,750,815 km (0.114 R)
• M14: 10,081,251 km (0.074 R)
• M15: 15,293,989 km (0.062 R)
• M16: 16,548,965 km (0.072 R)
• M17: 19,893,226 km (0.038 R)
• M18: 26,756,178 km (0.078 R)
• M19: 27,768,357 km (0.095 R)
• M20: 28,457,405 km (0.075 R)
• M21: 29,040,088 km (0.043 R)
• M22: 30,592,465 km (0.108 R)
• M23: 36,393,272 km (0.096 R)
• M24: 43,652,509 km (0.113 R)
• M25: 46,005,085 km (0.043 R)
• M26: 46,807,678 km (0.108 R)
• M27: 49,104,603 km (0.117 R)
• M28: 49,606,355 km (0.102 R)
• M29: 54,634,788 km (0.099 R)
• M30: 56,261,814 km (0.113 R)
• M31: 66,299,383 km (0.092 R)
• M32: 67,735,672 km (0.094 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 247 - 19,864 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit