🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.3

Radius: 14.2

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.57 AU - 0.81 AU

Year: 382 Days

Day: 9 Hours

Environment

Temp: -166 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 65,159,159 km

• M1: 176,675 km (0.101 R)
• M2: 924,515 km (0.085 R)
• M3: 1,506,451 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.2

Radius: 11.6

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.9 AU - 0.94 AU

Year: 588 Days

Day: 9.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,159,159 km

• M1: 144,212 km (0.104 R)
• M2: 519,254 km (0.068 R)
• M3: 1,003,054 km (0.095 R)
• M4: 1,468,752 km (0.062 R)
• M5: 1,835,865 km (0.026 R)
• M6: 2,236,488 km (0.053 R)
• M7: 2,706,674 km (0.056 R)
• M8: 3,932,629 km (0.052 R)
• M9: 4,419,719 km (0.055 R)
• M10: 5,269,286 km (0.119 R)
• M11: 6,520,522 km (0.077 R)
• M12: 7,119,961 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.2

Radius: 8.4

Gravity: 12.35 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.16 AU - 1.46 AU

Year: 1000 Days

Day: 6.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 65,159,159 km

• M1: 104,419 km (0.098 R)
• M2: 377,585 km (0.118 R)
• M3: 670,348 km (0.113 R)
• M4: 1,162,226 km (0.115 R)
• M5: 1,456,934 km (0.103 R)
• M6: 1,839,904 km (0.114 R)
• M7: 2,103,496 km (0.09 R)
• M8: 2,403,888 km (0.113 R)
• M9: 2,849,391 km (0.096 R)
• M10: 4,037,796 km (0.073 R)
• M11: 4,613,748 km (0.118 R)
• M12: 5,184,015 km (0.105 R)
• M13: 8,023,532 km (0.078 R)
• M14: 8,706,596 km (0.098 R)
• M15: 9,105,723 km (0.104 R)
• M16: 9,636,796 km (0.062 R)
• M17: 10,251,044 km (0.106 R)
• M18: 10,663,935 km (0.096 R)
• M19: 11,088,045 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.2

Radius: 9.1

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.22 AU - 1.4 AU

Year: 1000 Days

Day: 14.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,159,159 km

• M1: 118,182 km (0.058 R)
• M2: 411,693 km (0.097 R)
• M3: 723,455 km (0.118 R)
• M4: 1,020,706 km (0.107 R)
• M5: 1,341,594 km (0.083 R)
• M6: 2,322,058 km (0.119 R)
• M7: 2,641,450 km (0.095 R)
• M8: 3,398,116 km (0.051 R)
• M9: 3,735,608 km (0.1 R)
• M10: 4,095,541 km (0.118 R)
• M11: 4,495,715 km (0.105 R)
• M12: 5,472,589 km (0.052 R)
• M13: 6,000,670 km (0.115 R)
• M14: 7,018,085 km (0.114 R)
• M15: 7,967,283 km (0.107 R)
• M16: 8,539,196 km (0.114 R)
• M17: 9,166,011 km (0.093 R)
• M18: 9,505,150 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.5

Radius: 11.9

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.36 AU - 1.42 AU

Year: 1093 Days

Day: 6.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,159,159 km

• M1: 148,251 km (0.104 R)
• M2: 603,927 km (0.091 R)
• M3: 995,873 km (0.075 R)
• M4: 1,482,066 km (0.031 R)
• M5: 1,951,355 km (0.108 R)
• M6: 2,436,949 km (0.117 R)
• M7: 2,975,801 km (0.118 R)
• M8: 3,941,006 km (0.077 R)
• M9: 4,452,182 km (0.027 R)
• M10: 5,242,209 km (0.036 R)
• M11: 5,734,086 km (0.071 R)
• M12: 7,198,799 km (0.066 R)
• M13: 7,755,752 km (0.102 R)
• M14: 8,259,897 km (0.108 R)
• M15: 9,904,725 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971

Radius: 9.3

Gravity: 11.23 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.53 AU - 4.53 AU

Year: 5395 Days

Day: 7.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 65,159,159 km

• M1: 115,639 km (0.083 R)
• M2: 417,677 km (0.058 R)
• M3: 896,390 km (0.119 R)
• M4: 1,237,922 km (0.096 R)
• M5: 1,761,365 km (0.104 R)
• M6: 2,274,636 km (0.032 R)
• M7: 3,356,827 km (0.065 R)
• M8: 3,879,522 km (0.096 R)
• M9: 4,351,652 km (0.054 R)
• M10: 4,945,706 km (0.089 R)
• M11: 5,321,495 km (0.087 R)
• M12: 5,968,955 km (0.12 R)
• M13: 6,295,228 km (0.08 R)
• M14: 7,683,646 km (0.1 R)
• M15: 9,439,626 km (0.114 R)
• M16: 10,110,572 km (0.117 R)
• M17: 11,054,385 km (0.048 R)
• M18: 11,447,977 km (0.098 R)
• M19: 12,367,854 km (0.104 R)
• M20: 12,845,820 km (0.118 R)
• M21: 15,729,169 km (0.107 R)
• M22: 17,124,618 km (0.102 R)
• M23: 18,808,641 km (0.071 R)
• M24: 19,942,743 km (0.09 R)
• M25: 21,728,343 km (0.087 R)
• M26: 23,056,024 km (0.066 R)
• M27: 24,354,234 km (0.119 R)
• M28: 24,769,667 km (0.096 R)
• M29: 27,184,476 km (0.098 R)
• M30: 30,900,487 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 231.2

Radius: 8.1

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.85 AU - 4.31 AU

Year: 5496 Days

Day: 12.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,159,159 km

• M1: 109,356 km (0.102 R)
• M2: 1,016,069 km (0.108 R)
• M3: 1,484,908 km (0.089 R)
• M4: 2,051,735 km (0.059 R)
• M5: 3,514,054 km (0.117 R)
• M6: 4,142,515 km (0.055 R)
• M7: 5,086,028 km (0.047 R)
• M8: 5,916,745 km (0.075 R)
• M9: 6,895,415 km (0.1 R)
• M10: 16,027,766 km (0.117 R)
• M11: 16,404,753 km (0.045 R)
• M12: 18,146,222 km (0.103 R)
• M13: 19,515,491 km (0.046 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.7

Radius: 13.2

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 3.48 AU - 5.7 AU

Year: 6558 Days

Day: 5.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,159,159 km

• M1: 164,109 km (0.116 R)
• M2: 576,251 km (0.087 R)
• M3: 1,065,735 km (0.09 R)
• M4: 1,659,639 km (0.042 R)
• M5: 3,645,850 km (0.076 R)
• M6: 4,163,608 km (0.057 R)
• M7: 4,674,185 km (0.092 R)
• M8: 5,503,107 km (0.091 R)
• M9: 7,149,881 km (0.067 R)
• M10: 9,552,871 km (0.097 R)
• M11: 13,005,590 km (0.102 R)
• M12: 15,765,970 km (0.092 R)
• M13: 16,217,905 km (0.045 R)
• M14: 20,530,513 km (0.075 R)
• M15: 22,581,499 km (0.076 R)
• M16: 23,156,254 km (0.098 R)
• M17: 23,740,733 km (0.07 R)
• M18: 24,852,395 km (0.071 R)
• M19: 25,730,983 km (0.047 R)
• M20: 28,681,801 km (0.081 R)
• M21: 30,937,288 km (0.025 R)
• M22: 33,946,749 km (0.099 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.6

Radius: 13

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.11 AU - 5.87 AU

Year: 7433 Days

Day: 10.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,159,159 km

• M1: 161,715 km (0.039 R)
• M2: 586,723 km (0.049 R)
• M3: 1,684,622 km (0.034 R)
• M4: 2,363,347 km (0.086 R)
• M5: 2,777,434 km (0.088 R)
• M6: 3,262,879 km (0.048 R)
• M7: 3,681,903 km (0.111 R)
• M8: 4,517,407 km (0.108 R)
• M9: 5,348,872 km (0.085 R)
• M10: 10,403,784 km (0.086 R)
• M11: 12,682,010 km (0.033 R)
• M12: 14,768,152 km (0.104 R)
• M13: 17,703,711 km (0.094 R)
• M14: 19,992,259 km (0.039 R)
• M15: 24,351,242 km (0.105 R)
• M16: 25,600,684 km (0.109 R)
• M17: 26,611,965 km (0.097 R)
• M18: 29,505,637 km (0.117 R)
• M19: 33,900,373 km (0.086 R)
• M20: 34,784,347 km (0.067 R)
• M21: 38,355,398 km (0.117 R)
• M22: 39,923,034 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 714.8

Radius: 8

Gravity: 11.17 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 6.87 AU - 9.43 AU

Year: 15516 Days

Day: 17.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,159,159 km

• M1: 101,876 km (0.103 R)
• M2: 604,525 km (0.114 R)
• M3: 1,637,498 km (0.096 R)
• M4: 2,094,520 km (0.094 R)
• M5: 2,501,875 km (0.057 R)
• M6: 2,888,884 km (0.072 R)
• M7: 3,211,417 km (0.084 R)
• M8: 3,958,808 km (0.118 R)
• M9: 4,885,268 km (0.109 R)
• M10: 6,067,690 km (0.073 R)
• M11: 6,473,549 km (0.106 R)
• M12: 8,280,841 km (0.067 R)
• M13: 9,247,392 km (0.118 R)
• M14: 10,864,845 km (0.092 R)
• M15: 11,221,635 km (0.056 R)
• M16: 15,012,595 km (0.064 R)
• M17: 18,719,032 km (0.115 R)
• M18: 20,919,467 km (0.113 R)
• M19: 24,181,149 km (0.116 R)
• M20: 26,677,639 km (0.111 R)
• M21: 29,340,930 km (0.095 R)
• M22: 31,451,157 km (0.093 R)
• M23: 31,812,436 km (0.091 R)
• M24: 35,579,011 km (0.074 R)
• M25: 36,631,582 km (0.105 R)
• M26: 43,833,971 km (0.12 R)
• M27: 44,890,880 km (0.072 R)
• M28: 49,613,087 km (0.106 R)
• M29: 53,792,851 km (0.113 R)
• M30: 55,353,307 km (0.094 R)
• M31: 55,880,041 km (0.118 R)
• M32: 62,464,741 km (0.065 R)
• M33: 63,802,445 km (0.105 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 210 - 16,261 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit