🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.8

Radius: 11

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.67 AU - 0.91 AU

Year: 468 Days

Day: 13.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,123,239 km

• M1: 136,882 km (0.063 R)
• M2: 497,114 km (0.12 R)
• M3: 860,936 km (0.059 R)
• M4: 1,359,246 km (0.092 R)
• M5: 1,891,815 km (0.076 R)
• M6: 2,311,736 km (0.104 R)
• M7: 3,018,885 km (0.103 R)
• M8: 3,961,651 km (0.103 R)
• M9: 4,426,003 km (0.034 R)
• M10: 4,910,101 km (0.119 R)
• M11: 5,551,876 km (0.119 R)
• M12: 6,097,160 km (0.08 R)
• M13: 6,500,027 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.5

Radius: 15

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.81 AU - 1.27 AU

Year: 707 Days

Day: 8.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 81,123,239 km

• M1: 186,549 km (0.051 R)
• M2: 661,372 km (0.12 R)
• M3: 1,177,634 km (0.071 R)
• M4: 1,661,584 km (0.108 R)
• M5: 2,225,418 km (0.119 R)
• M6: 2,707,273 km (0.065 R)
• M7: 3,845,862 km (0.09 R)
• M8: 5,215,730 km (0.094 R)
• M9: 5,726,457 km (0.026 R)
• M10: 6,289,992 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122

Radius: 12

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.47 AU - 3.95 AU

Year: 3835 Days

Day: 12.1 Hours

Environment

Temp: -216 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 81,123,239 km

• M1: 149,299 km (0.115 R)
• M2: 581,188 km (0.063 R)
• M3: 1,200,373 km (0.076 R)
• M4: 1,707,061 km (0.082 R)
• M5: 2,084,497 km (0.056 R)
• M6: 3,116,423 km (0.089 R)
• M7: 5,539,609 km (0.111 R)
• M8: 6,706,323 km (0.083 R)
• M9: 8,588,115 km (0.048 R)
• M10: 9,329,671 km (0.097 R)
• M11: 13,776,019 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615.6

Radius: 13.3

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.85 AU - 4.23 AU

Year: 4442 Days

Day: 14.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,123,239 km

• M1: 165,455 km (0.083 R)
• M2: 759,209 km (0.065 R)
• M3: 1,312,871 km (0.045 R)
• M4: 2,023,311 km (0.109 R)
• M5: 2,523,716 km (0.079 R)
• M6: 3,051,647 km (0.082 R)
• M7: 3,694,619 km (0.103 R)
• M8: 4,593,702 km (0.117 R)
• M9: 5,017,961 km (0.087 R)
• M10: 5,578,355 km (0.072 R)
• M11: 7,685,740 km (0.083 R)
• M12: 8,580,186 km (0.038 R)
• M13: 9,384,125 km (0.073 R)
• M14: 9,988,650 km (0.113 R)
• M15: 11,866,851 km (0.104 R)
• M16: 13,561,496 km (0.118 R)
• M17: 15,634,025 km (0.051 R)
• M18: 17,187,449 km (0.108 R)
• M19: 17,788,234 km (0.103 R)
• M20: 20,868,903 km (0.082 R)
• M21: 23,768,708 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.2

Radius: 11.9

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.28 AU - 4.3 AU

Year: 5925 Days

Day: 11.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,123,239 km

• M1: 148,102 km (0.115 R)
• M2: 589,116 km (0.119 R)
• M3: 1,020,706 km (0.077 R)
• M4: 1,519,914 km (0.065 R)
• M5: 1,955,095 km (0.079 R)
• M6: 2,721,036 km (0.077 R)
• M7: 3,184,340 km (0.119 R)
• M8: 5,039,354 km (0.074 R)
• M9: 5,681,578 km (0.104 R)
• M10: 6,510,350 km (0.034 R)
• M11: 7,201,342 km (0.061 R)
• M12: 9,312,916 km (0.117 R)
• M13: 12,162,008 km (0.102 R)
• M14: 13,156,834 km (0.087 R)
• M15: 13,591,715 km (0.096 R)
• M16: 14,605,240 km (0.107 R)
• M17: 15,789,606 km (0.086 R)
• M18: 17,101,131 km (0.078 R)
• M19: 17,554,113 km (0.12 R)
• M20: 17,948,603 km (0.076 R)
• M21: 18,755,683 km (0.092 R)
• M22: 22,922,882 km (0.083 R)
• M23: 26,967,260 km (0.078 R)
• M24: 27,581,509 km (0.062 R)
• M25: 28,746,727 km (0.115 R)
• M26: 30,983,963 km (0.092 R)
• M27: 33,234,663 km (0.04 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990.1

Radius: 6.9

Gravity: 20.8 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.8 AU - 7.52 AU

Year: 12776 Days

Day: 18.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 81,123,239 km

• M1: 85,869 km (0.058 R)
• M2: 337,194 km (0.093 R)
• M3: 782,995 km (0.088 R)
• M4: 2,960,991 km (0.105 R)
• M5: 3,261,682 km (0.092 R)
• M6: 3,527,667 km (0.084 R)
• M7: 4,043,032 km (0.117 R)
• M8: 4,840,837 km (0.109 R)
• M9: 5,931,556 km (0.108 R)
• M10: 7,177,407 km (0.113 R)
• M11: 10,630,425 km (0.089 R)
• M12: 12,200,604 km (0.062 R)
• M13: 13,644,971 km (0.12 R)
• M14: 18,157,890 km (0.085 R)
• M15: 20,838,535 km (0.113 R)
• M16: 23,086,991 km (0.1 R)
• M17: 33,701,708 km (0.112 R)
• M18: 35,998,783 km (0.056 R)
• M19: 37,586,914 km (0.097 R)
• M20: 37,856,040 km (0.084 R)
• M21: 49,384,950 km (0.111 R)
• M22: 51,178,479 km (0.097 R)
• M23: 51,674,994 km (0.071 R)
• M24: 52,846,196 km (0.074 R)
• M25: 59,514,371 km (0.087 R)
• M26: 61,171,916 km (0.111 R)
• M27: 62,293,750 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459.2

Radius: 3.5

Gravity: 37.49 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.99 AU - 7.55 AU

Year: 13072 Days

Day: 20.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,123,239 km

• M1: 43,533 km (0.109 R)
• M2: 161,416 km (0.103 R)
• M3: 302,936 km (0.097 R)
• M4: 614,249 km (0.069 R)
• M5: 807,829 km (0.051 R)
• M6: 1,507,647 km (0.045 R)
• M7: 2,285,407 km (0.115 R)
• M8: 3,061,969 km (0.088 R)
• M9: 3,650,936 km (0.114 R)
• M10: 3,917,370 km (0.07 R)
• M11: 4,282,987 km (0.089 R)
• M12: 6,651,421 km (0.081 R)
• M13: 7,933,923 km (0.104 R)
• M14: 8,702,707 km (0.077 R)
• M15: 9,177,530 km (0.071 R)
• M16: 9,569,626 km (0.068 R)
• M17: 9,972,792 km (0.111 R)
• M18: 10,230,550 km (0.095 R)
• M19: 11,813,295 km (0.114 R)
• M20: 13,552,221 km (0.032 R)
• M21: 15,522,873 km (0.09 R)
• M22: 17,378,635 km (0.107 R)
• M23: 18,746,558 km (0.065 R)
• M24: 19,858,968 km (0.11 R)
• M25: 20,846,762 km (0.092 R)
• M26: 21,352,702 km (0.104 R)
• M27: 22,565,193 km (0.076 R)
• M28: 22,830,879 km (0.051 R)
• M29: 24,843,120 km (0.113 R)
• M30: 26,772,185 km (0.113 R)
• M31: 27,369,828 km (0.086 R)
• M32: 28,695,116 km (0.091 R)
• M33: 44,515,240 km (0.069 R)
• M34: 50,002,191 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 690.5

Radius: 5.5

Gravity: 22.83 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 7.81 AU - 8.35 AU

Year: 15316 Days

Day: 17.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 81,123,239 km

• M1: 68,366 km (0.097 R)
• M2: 292,464 km (0.06 R)
• M3: 465,848 km (0.087 R)
• M4: 747,690 km (0.112 R)
• M5: 1,498,971 km (0.048 R)
• M6: 1,706,014 km (0.088 R)
• M7: 1,896,153 km (0.071 R)
• M8: 3,299,531 km (0.065 R)
• M9: 3,910,937 km (0.067 R)
• M10: 4,432,884 km (0.105 R)
• M11: 4,660,722 km (0.105 R)
• M12: 5,000,010 km (0.09 R)
• M13: 5,804,098 km (0.1 R)
• M14: 6,482,225 km (0.113 R)
• M15: 7,711,920 km (0.068 R)
• M16: 10,856,168 km (0.114 R)
• M17: 15,419,053 km (0.119 R)
• M18: 15,642,253 km (0.09 R)
• M19: 17,265,539 km (0.085 R)
• M20: 18,076,509 km (0.09 R)
• M21: 19,687,080 km (0.074 R)
• M22: 22,707,311 km (0.111 R)
• M23: 24,277,191 km (0.098 R)
• M24: 25,708,843 km (0.116 R)
• M25: 31,759,179 km (0.054 R)
• M26: 36,543,020 km (0.113 R)
• M27: 37,608,007 km (0.044 R)
• M28: 39,243,860 km (0.086 R)
• M29: 40,219,687 km (0.092 R)
• M30: 45,495,106 km (0.046 R)
• M31: 50,066,069 km (0.038 R)
• M32: 51,876,951 km (0.032 R)
• M33: 54,072,898 km (0.064 R)
• M34: 55,280,602 km (0.104 R)
• M35: 59,557,904 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.7

Radius: 3.1

Gravity: 33.89 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 6.92 AU - 9.54 AU

Year: 15745 Days

Day: 23.7 Hours

Environment

Temp: -242 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 81,123,239 km

• M1: 38,746 km (0.093 R)
• M2: 319,092 km (0.032 R)
• M3: 2,044,704 km (0.091 R)
• M4: 2,539,424 km (0.062 R)
• M5: 3,156,665 km (0.118 R)
• M6: 3,424,445 km (0.085 R)
• M7: 3,733,664 km (0.079 R)
• M8: 4,117,532 km (0.11 R)
• M9: 4,741,804 km (0.114 R)
• M10: 6,287,150 km (0.063 R)
• M11: 7,699,503 km (0.107 R)
• M12: 9,309,924 km (0.105 R)
• M13: 9,507,094 km (0.081 R)
• M14: 10,803,659 km (0.116 R)
• M15: 11,749,866 km (0.055 R)
• M16: 13,614,753 km (0.115 R)
• M17: 26,333,115 km (0.113 R)
• M18: 30,348,172 km (0.079 R)
• M19: 34,870,665 km (0.119 R)
• M20: 35,825,997 km (0.045 R)
• M21: 42,735,175 km (0.027 R)
• M22: 44,243,570 km (0.117 R)
• M23: 45,362,712 km (0.09 R)
• M24: 49,727,230 km (0.068 R)
• M25: 50,178,417 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 701.6

Radius: 5.1

Gravity: 26.97 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 9.31 AU - 11.11 AU

Year: 21755 Days

Day: 15.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 81,123,239 km

• M1: 64,776 km (0.088 R)
• M2: 233,373 km (0.092 R)
• M3: 468,690 km (0.041 R)
• M4: 772,075 km (0.114 R)
• M5: 974,481 km (0.04 R)
• M6: 1,538,016 km (0.105 R)
• M7: 2,186,971 km (0.108 R)
• M8: 2,897,711 km (0.064 R)
• M9: 3,305,963 km (0.047 R)
• M10: 4,908,905 km (0.094 R)
• M11: 7,110,686 km (0.095 R)
• M12: 7,449,974 km (0.083 R)
• M13: 7,648,790 km (0.101 R)
• M14: 8,161,013 km (0.114 R)
• M15: 10,074,818 km (0.086 R)
• M16: 12,545,876 km (0.033 R)
• M17: 12,827,419 km (0.112 R)
• M18: 28,831,100 km (0.088 R)
• M19: 29,444,900 km (0.07 R)
• M20: 31,467,613 km (0.099 R)
• M21: 36,639,062 km (0.054 R)
• M22: 38,235,421 km (0.095 R)
• M23: 42,349,063 km (0.081 R)
• M24: 42,823,587 km (0.063 R)
• M25: 43,301,702 km (0.101 R)
• M26: 47,085,780 km (0.117 R)
• M27: 50,373,193 km (0.081 R)
• M28: 54,181,207 km (0.109 R)
• M29: 64,218,476 km (0.103 R)
• M30: 68,470,497 km (0.097 R)
• M31: 69,124,090 km (0.108 R)
• M32: 76,824,341 km (0.08 R)
• M33: 78,002,873 km (0.093 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 298 - 11,784 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit