🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.78 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.2

Radius: 13.7

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.32 AU - 1.78 AU

Year: 1309 Days

Day: 8.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,558,927 km

• M1: 171,140 km (0.119 R)
• M2: 690,544 km (0.1 R)
• M3: 1,695,692 km (0.117 R)
• M4: 2,352,127 km (0.065 R)
• M5: 2,853,729 km (0.104 R)
• M6: 3,748,923 km (0.083 R)
• M7: 4,408,350 km (0.117 R)
• M8: 5,753,085 km (0.091 R)
• M9: 6,430,165 km (0.044 R)
• M10: 6,966,922 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.8

Radius: 12.5

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.59 AU - 1.89 AU

Year: 1557 Days

Day: 10.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 72,558,927 km

• M1: 155,432 km (0.075 R)
• M2: 575,802 km (0.06 R)
• M3: 1,784,703 km (0.069 R)
• M4: 2,445,177 km (0.074 R)
• M5: 3,366,251 km (0.094 R)
• M6: 5,621,140 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.7

Radius: 14.1

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.43 AU - 2.29 AU

Year: 1721 Days

Day: 10.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,558,927 km

• M1: 178,919 km (0.109 R)
• M2: 624,571 km (0.029 R)
• M3: 1,065,137 km (0.07 R)
• M4: 1,719,478 km (0.101 R)
• M5: 2,838,919 km (0.092 R)
• M6: 3,398,265 km (0.112 R)
• M7: 4,724,450 km (0.114 R)
• M8: 5,894,306 km (0.057 R)
• M9: 7,612,736 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.3

Radius: 9.6

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.06 AU - 3.02 AU

Year: 2746 Days

Day: 7.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,558,927 km

• M1: 182,809 km (0.113 R)
• M2: 563,386 km (0.089 R)
• M3: 1,064,538 km (0.12 R)
• M4: 1,376,001 km (0.083 R)
• M5: 1,846,786 km (0.103 R)
• M6: 3,422,650 km (0.109 R)
• M7: 3,806,518 km (0.087 R)
• M8: 4,204,299 km (0.119 R)
• M9: 4,740,457 km (0.1 R)
• M10: 5,218,572 km (0.074 R)
• M11: 5,549,183 km (0.118 R)
• M12: 6,726,668 km (0.112 R)
• M13: 7,161,100 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.3

Radius: 14.9

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.49 AU - 4.05 AU

Year: 4011 Days

Day: 6 Hours

Environment

Temp: -207 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,558,927 km

• M1: 226,491 km (0.071 R)
• M2: 776,263 km (0.112 R)
• M3: 1,388,717 km (0.112 R)
• M4: 3,083,212 km (0.111 R)
• M5: 3,589,302 km (0.111 R)
• M6: 5,302,197 km (0.092 R)
• M7: 10,837,767 km (0.118 R)
• M8: 15,198,396 km (0.057 R)
• M9: 18,080,997 km (0.079 R)
• M10: 20,360,569 km (0.119 R)
• M11: 21,960,967 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.4

Radius: 12

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 4.27 AU - 5.13 AU

Year: 6911 Days

Day: 7.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,558,927 km

• M1: 149,299 km (0.102 R)
• M2: 523,293 km (0.115 R)
• M3: 971,788 km (0.073 R)
• M4: 1,372,411 km (0.097 R)
• M5: 1,762,562 km (0.088 R)
• M6: 2,595,074 km (0.077 R)
• M7: 3,518,692 km (0.095 R)
• M8: 3,997,255 km (0.031 R)
• M9: 4,544,933 km (0.071 R)
• M10: 7,618,421 km (0.097 R)
• M11: 8,583,178 km (0.051 R)
• M12: 13,542,048 km (0.05 R)
• M13: 17,744,551 km (0.084 R)
• M14: 19,157,803 km (0.101 R)
• M15: 20,140,810 km (0.104 R)
• M16: 20,790,364 km (0.081 R)
• M17: 23,056,622 km (0.105 R)
• M18: 24,007,765 km (0.082 R)
• M19: 25,399,474 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.7

Radius: 5.2

Gravity: 33.09 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 6.48 AU - 7.44 AU

Year: 12454 Days

Day: 17.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,558,927 km

• M1: 64,626 km (0.036 R)
• M2: 303,684 km (0.1 R)
• M3: 1,045,839 km (0.104 R)
• M4: 1,230,891 km (0.117 R)
• M5: 1,573,022 km (0.085 R)
• M6: 2,068,639 km (0.088 R)
• M7: 2,596,121 km (0.081 R)
• M8: 3,035,042 km (0.032 R)
• M9: 3,971,225 km (0.111 R)
• M10: 4,270,870 km (0.112 R)
• M11: 5,367,572 km (0.068 R)
• M12: 5,771,635 km (0.113 R)
• M13: 7,913,727 km (0.117 R)
• M14: 8,148,746 km (0.102 R)
• M15: 11,703,191 km (0.11 R)
• M16: 13,748,942 km (0.053 R)
• M17: 15,577,477 km (0.119 R)
• M18: 16,171,231 km (0.112 R)
• M19: 16,856,987 km (0.116 R)
• M20: 20,491,318 km (0.071 R)
• M21: 22,117,447 km (0.116 R)
• M22: 26,035,415 km (0.105 R)
• M23: 26,242,608 km (0.085 R)
• M24: 27,508,954 km (0.081 R)
• M25: 30,506,447 km (0.117 R)
• M26: 35,590,680 km (0.108 R)
• M27: 40,098,213 km (0.109 R)
• M28: 44,971,813 km (0.103 R)
• M29: 48,640,102 km (0.087 R)
• M30: 52,833,779 km (0.096 R)
• M31: 54,171,035 km (0.092 R)
• M32: 55,018,207 km (0.117 R)
• M33: 55,359,440 km (0.081 R)
• M34: 56,912,864 km (0.091 R)
• M35: 60,468,656 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650.5

Radius: 3.4

Gravity: 56.27 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 7.68 AU - 10.84 AU

Year: 19112 Days

Day: 19 Hours

Environment

Temp: -225 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 72,558,927 km

• M1: 42,336 km (0.077 R)
• M2: 228,735 km (0.076 R)
• M3: 857,345 km (0.075 R)
• M4: 1,517,670 km (0.108 R)
• M5: 2,120,101 km (0.107 R)
• M6: 2,287,351 km (0.051 R)
• M7: 5,376,547 km (0.103 R)
• M8: 6,219,531 km (0.09 R)
• M9: 6,432,559 km (0.07 R)
• M10: 7,667,639 km (0.09 R)
• M11: 9,548,982 km (0.117 R)
• M12: 11,524,571 km (0.052 R)
• M13: 11,976,058 km (0.068 R)
• M14: 12,709,237 km (0.063 R)
• M15: 13,900,485 km (0.092 R)
• M16: 16,664,604 km (0.062 R)
• M17: 21,367,961 km (0.104 R)
• M18: 21,950,346 km (0.099 R)
• M19: 23,761,228 km (0.094 R)
• M20: 24,386,248 km (0.087 R)
• M21: 28,368,543 km (0.11 R)
• M22: 29,666,604 km (0.089 R)
• M23: 33,667,150 km (0.105 R)
• M24: 36,478,992 km (0.104 R)
• M25: 41,506,378 km (0.109 R)
• M26: 46,651,348 km (0.044 R)
• M27: 46,813,512 km (0.111 R)
• M28: 48,456,396 km (0.091 R)
• M29: 59,507,789 km (0.106 R)
• M30: 62,609,701 km (0.117 R)
• M31: 65,005,660 km (0.058 R)
• M32: 66,842,273 km (0.111 R)
• M33: 71,908,256 km (0.048 R)
• M34: 72,124,724 km (0.065 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: 388 - 12,911 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit