🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

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: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.43 AU - 0.69 AU

Year: 275 Days

Day: 37.6 Hours

Environment

Temp: -119 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,167,985 km

• M1: 342,280 km (0.094 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.48 AU - 0.74 AU

Year: 313 Days

Day: 25.2 Hours

Environment

Temp: -121 °C

Axial Tilt: 0.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.51 AU - 0.73 AU

Year: 320 Days

Day: 35.7 Hours

Environment

Temp: -127 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.7

Radius: 12.2

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.53 AU - 0.85 AU

Year: 376 Days

Day: 11.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,167,985 km

• M1: 172,038 km (0.073 R)
• M2: 629,807 km (0.056 R)
• M3: 1,730,249 km (0.104 R)
• M4: 2,312,334 km (0.101 R)
• M5: 2,714,154 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.2

Radius: 11.4

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.6 AU - 1.9 AU

Year: 1519 Days

Day: 13 Hours

Environment

Temp: -182 °C

Axial Tilt: 83.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,167,985 km

• M1: 142,716 km (0.096 R)
• M2: 595,100 km (0.112 R)
• M3: 983,606 km (0.096 R)
• M4: 1,450,800 km (0.054 R)
• M5: 1,858,454 km (0.089 R)
• M6: 2,222,276 km (0.039 R)
• M7: 2,646,386 km (0.102 R)
• M8: 3,124,501 km (0.034 R)
• M9: 3,830,753 km (0.088 R)
• M10: 4,239,005 km (0.045 R)
• M11: 5,299,953 km (0.113 R)
• M12: 6,173,007 km (0.049 R)
• M13: 6,783,216 km (0.06 R)
• M14: 7,458,202 km (0.12 R)
• M15: 8,098,032 km (0.118 R)
• M16: 8,472,176 km (0.043 R)
• M17: 9,140,579 km (0.101 R)
• M18: 10,147,224 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.2

Radius: 10.6

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.96 AU - 4.1 AU

Year: 4351 Days

Day: 12.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,167,985 km

• M1: 137,780 km (0.11 R)
• M2: 569,519 km (0.103 R)
• M3: 917,334 km (0.068 R)
• M4: 1,648,718 km (0.096 R)
• M5: 2,239,929 km (0.117 R)
• M6: 2,634,269 km (0.116 R)
• M7: 3,297,287 km (0.098 R)
• M8: 4,416,129 km (0.108 R)
• M9: 5,513,130 km (0.095 R)
• M10: 5,965,365 km (0.117 R)
• M11: 9,023,295 km (0.099 R)
• M12: 9,417,336 km (0.054 R)
• M13: 9,754,529 km (0.116 R)
• M14: 10,453,301 km (0.108 R)
• M15: 11,911,581 km (0.098 R)
• M16: 12,587,913 km (0.113 R)
• M17: 14,236,332 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.7

Radius: 3.3

Gravity: 59.94 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 6.59 AU - 6.89 AU

Year: 11479 Days

Day: 18.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,167,985 km

• M1: 41,139 km (0.081 R)
• M2: 146,905 km (0.102 R)
• M3: 290,369 km (0.115 R)
• M4: 486,193 km (0.113 R)
• M5: 686,205 km (0.084 R)
• M6: 1,450,052 km (0.053 R)
• M7: 2,199,837 km (0.112 R)
• M8: 2,411,817 km (0.092 R)
• M9: 2,658,205 km (0.092 R)
• M10: 2,943,936 km (0.115 R)
• M11: 3,707,334 km (0.076 R)
• M12: 4,063,677 km (0.081 R)
• M13: 4,594,151 km (0.092 R)
• M14: 4,875,993 km (0.116 R)
• M15: 5,136,144 km (0.116 R)
• M16: 5,303,394 km (0.099 R)
• M17: 6,538,474 km (0.107 R)
• M18: 10,438,341 km (0.111 R)
• M19: 13,396,190 km (0.052 R)
• M20: 13,522,301 km (0.067 R)
• M21: 15,304,461 km (0.049 R)
• M22: 19,487,516 km (0.108 R)
• M23: 21,664,913 km (0.105 R)
• M24: 22,013,775 km (0.062 R)
• M25: 22,722,421 km (0.087 R)
• M26: 25,226,689 km (0.095 R)
• M27: 26,594,911 km (0.108 R)
• M28: 27,398,401 km (0.111 R)
• M29: 28,011,603 km (0.082 R)
• M30: 30,884,630 km (0.111 R)
• M31: 45,327,108 km (0.117 R)
• M32: 45,897,375 km (0.094 R)
• M33: 47,197,829 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 749.7

Radius: 6

Gravity: 20.83 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 6.48 AU - 7.64 AU

Year: 12306 Days

Day: 19 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,167,985 km

• M1: 74,649 km (0.093 R)
• M2: 277,504 km (0.11 R)
• M3: 1,002,904 km (0.11 R)
• M4: 2,400,896 km (0.094 R)
• M5: 3,086,054 km (0.116 R)
• M6: 4,516,210 km (0.12 R)
• M7: 4,705,601 km (0.09 R)
• M8: 4,999,710 km (0.096 R)
• M9: 6,069,634 km (0.089 R)
• M10: 6,418,347 km (0.077 R)
• M11: 8,178,815 km (0.108 R)
• M12: 8,508,528 km (0.04 R)
• M13: 9,551,375 km (0.06 R)
• M14: 9,917,142 km (0.034 R)
• M15: 10,510,746 km (0.106 R)
• M16: 11,947,784 km (0.118 R)
• M17: 12,250,121 km (0.092 R)
• M18: 12,870,054 km (0.074 R)
• M19: 13,773,027 km (0.109 R)
• M20: 14,239,922 km (0.114 R)
• M21: 18,124,231 km (0.078 R)
• M22: 19,339,714 km (0.101 R)
• M23: 22,752,789 km (0.028 R)
• M24: 24,552,302 km (0.107 R)
• M25: 29,407,351 km (0.089 R)
• M26: 30,069,770 km (0.11 R)
• M27: 32,583,912 km (0.048 R)
• M28: 34,742,609 km (0.12 R)
• M29: 39,342,295 km (0.027 R)
• M30: 40,011,596 km (0.114 R)
• M31: 40,416,857 km (0.036 R)
• M32: 41,372,937 km (0.092 R)
• M33: 42,624,323 km (0.025 R)
• M34: 45,056,485 km (0.116 R)
• M35: 45,936,569 km (0.114 R)
• M36: 51,141,229 km (0.117 R)
• M37: 51,938,286 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 393.1

Radius: 3.3

Gravity: 36.1 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 9.41 AU - 12.25 AU

Year: 23380 Days

Day: 16.2 Hours

Environment

Temp: -241 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,167,985 km

• M1: 42,336 km (0.068 R)
• M2: 268,379 km (0.059 R)
• M3: 829,221 km (0.049 R)
• M4: 1,010,534 km (0.072 R)
• M5: 1,972,598 km (0.093 R)
• M6: 2,724,925 km (0.105 R)
• M7: 3,231,763 km (0.103 R)
• M8: 4,330,260 km (0.025 R)
• M9: 5,311,173 km (0.069 R)
• M10: 6,778,280 km (0.117 R)
• M11: 7,462,091 km (0.094 R)
• M12: 9,844,737 km (0.068 R)
• M13: 11,644,848 km (0.115 R)
• M14: 11,900,361 km (0.065 R)
• M15: 16,036,892 km (0.093 R)
• M16: 20,202,295 km (0.078 R)
• M17: 20,663,954 km (0.047 R)
• M18: 23,078,314 km (0.1 R)
• M19: 25,781,996 km (0.036 R)
• M20: 26,875,557 km (0.077 R)
• M21: 28,228,370 km (0.067 R)
• M22: 30,825,090 km (0.079 R)
• M23: 33,834,550 km (0.114 R)
• M24: 39,561,755 km (0.04 R)
• M25: 40,575,131 km (0.059 R)
• M26: 42,955,981 km (0.037 R)
• M27: 43,565,294 km (0.051 R)
• M28: 46,060,736 km (0.082 R)
• M29: 47,667,866 km (0.027 R)
• M30: 49,980,050 km (0.118 R)
• M31: 53,938,859 km (0.077 R)
• M32: 56,084,990 km (0.093 R)
• M33: 62,084,912 km (0.097 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: 524 - 20,153 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit