🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.2

Radius: 14.3

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.52 AU - 0.6 AU

Year: 279 Days

Day: 11.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,320,274 km

• M1: 177,872 km (0.092 R)
• M2: 711,039 km (0.113 R)
• M3: 1,224,159 km (0.119 R)
• M4: 1,839,306 km (0.112 R)
• M5: 2,562,612 km (0.085 R)
• M6: 3,016,043 km (0.027 R)
• M7: 3,523,628 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.1

Radius: 11.5

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.61 AU - 0.77 AU

Year: 382 Days

Day: 13.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,320,274 km

• M1: 143,016 km (0.079 R)
• M2: 532,718 km (0.084 R)
• M3: 971,189 km (0.115 R)
• M4: 1,345,034 km (0.09 R)
• M5: 2,262,518 km (0.109 R)
• M6: 2,678,999 km (0.108 R)
• M7: 3,079,921 km (0.108 R)
• M8: 3,731,719 km (0.035 R)
• M9: 4,345,669 km (0.076 R)
• M10: 4,781,597 km (0.082 R)
• M11: 5,457,480 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.1

Radius: 8.2

Gravity: 7.78 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.55 AU - 0.91 AU

Year: 416 Days

Day: 14.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,320,274 km

• M1: 102,175 km (0.078 R)
• M2: 373,995 km (0.054 R)
• M3: 637,437 km (0.088 R)
• M4: 1,032,225 km (0.092 R)
• M5: 1,319,304 km (0.1 R)
• M6: 1,605,036 km (0.063 R)
• M7: 1,886,130 km (0.107 R)
• M8: 2,447,421 km (0.077 R)
• M9: 2,966,526 km (0.072 R)
• M10: 3,713,318 km (0.072 R)
• M11: 4,331,307 km (0.119 R)
• M12: 5,244,004 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.1

Radius: 9.2

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.21 AU - 1.45 AU

Year: 1023 Days

Day: 10.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,320,274 km

• M1: 114,442 km (0.052 R)
• M2: 435,330 km (0.115 R)
• M3: 824,733 km (0.028 R)
• M4: 1,156,990 km (0.051 R)
• M5: 1,556,416 km (0.09 R)
• M6: 2,772,497 km (0.118 R)
• M7: 3,157,413 km (0.107 R)
• M8: 3,469,324 km (0.108 R)
• M9: 4,371,998 km (0.103 R)
• M10: 4,811,068 km (0.032 R)
• M11: 5,119,838 km (0.052 R)
• M12: 5,796,618 km (0.084 R)
• M13: 7,216,452 km (0.117 R)
• M14: 8,066,916 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 614.4

Radius: 8.7

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.35 AU - 1.55 AU

Year: 1164 Days

Day: 6.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,320,274 km

• M1: 108,159 km (0.106 R)
• M2: 402,867 km (0.088 R)
• M3: 726,148 km (0.061 R)
• M4: 1,000,361 km (0.046 R)
• M5: 1,497,175 km (0.089 R)
• M6: 1,826,740 km (0.112 R)
• M7: 2,108,283 km (0.069 R)
• M8: 2,709,367 km (0.11 R)
• M9: 3,390,785 km (0.083 R)
• M10: 3,883,860 km (0.042 R)
• M11: 5,530,334 km (0.097 R)
• M12: 6,303,755 km (0.099 R)
• M13: 7,495,302 km (0.117 R)
• M14: 9,318,751 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.8

Radius: 11.8

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 4.61 AU - 4.73 AU

Year: 6730 Days

Day: 11.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,320,274 km

• M1: 154,535 km (0.108 R)
• M2: 550,221 km (0.114 R)
• M3: 1,057,507 km (0.07 R)
• M4: 2,088,685 km (0.077 R)
• M5: 3,015,743 km (0.1 R)
• M6: 4,268,925 km (0.114 R)
• M7: 4,896,338 km (0.045 R)
• M8: 6,569,740 km (0.114 R)
• M9: 7,458,950 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.1

Radius: 9.7

Gravity: 10.35 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.81 AU - 4.95 AU

Year: 7189 Days

Day: 12.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,320,274 km

• M1: 121,922 km (0.051 R)
• M2: 687,552 km (0.11 R)
• M3: 1,017,714 km (0.084 R)
• M4: 1,430,754 km (0.105 R)
• M5: 1,771,538 km (0.05 R)
• M6: 2,413,612 km (0.095 R)
• M7: 4,051,260 km (0.115 R)
• M8: 4,374,242 km (0.06 R)
• M9: 4,772,770 km (0.071 R)
• M10: 6,800,270 km (0.062 R)
• M11: 8,712,131 km (0.077 R)
• M12: 9,911,457 km (0.091 R)
• M13: 10,252,391 km (0.069 R)
• M14: 10,753,095 km (0.105 R)
• M15: 13,327,824 km (0.099 R)
• M16: 14,106,930 km (0.108 R)
• M17: 15,559,226 km (0.098 R)
• M18: 17,529,280 km (0.087 R)
• M19: 19,813,191 km (0.11 R)
• M20: 20,121,811 km (0.107 R)
• M21: 22,123,132 km (0.059 R)
• M22: 26,053,965 km (0.036 R)
• M23: 26,517,569 km (0.115 R)
• M24: 31,044,999 km (0.107 R)
• M25: 31,776,233 km (0.099 R)
• M26: 40,843,510 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 196.9

Radius: 3.1

Gravity: 20.49 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 6.33 AU - 10.33 AU

Year: 16032 Days

Day: 23.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,320,274 km

• M1: 38,596 km (0.084 R)
• M2: 167,849 km (0.052 R)
• M3: 690,993 km (0.104 R)
• M4: 817,253 km (0.043 R)
• M5: 1,019,809 km (0.116 R)
• M6: 1,254,827 km (0.093 R)
• M7: 1,378,844 km (0.049 R)
• M8: 1,894,807 km (0.053 R)
• M9: 4,916,833 km (0.113 R)
• M10: 6,855,771 km (0.102 R)
• M11: 12,885,762 km (0.098 R)
• M12: 20,113,434 km (0.102 R)
• M13: 21,628,411 km (0.114 R)
• M14: 25,607,715 km (0.097 R)
• M15: 26,626,626 km (0.087 R)
• M16: 33,971,582 km (0.094 R)
• M17: 34,638,340 km (0.092 R)
• M18: 35,998,035 km (0.055 R)
• M19: 41,162,153 km (0.082 R)
• M20: 42,558,201 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.1

Radius: 6.9

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 9.78 AU - 9.96 AU

Year: 20678 Days

Day: 24.3 Hours

Environment

Temp: -237 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,320,274 km

• M1: 85,869 km (0.058 R)
• M2: 435,928 km (0.083 R)
• M3: 1,281,156 km (0.096 R)
• M4: 2,093,473 km (0.105 R)
• M5: 2,352,427 km (0.119 R)
• M6: 4,545,382 km (0.057 R)
• M7: 4,777,109 km (0.04 R)
• M8: 5,264,499 km (0.116 R)
• M9: 5,784,501 km (0.119 R)
• M10: 7,550,803 km (0.057 R)
• M11: 29,640,125 km (0.053 R)
• M12: 32,605,305 km (0.075 R)
• M13: 36,023,466 km (0.074 R)
• M14: 43,859,852 km (0.101 R)
• M15: 47,855,461 km (0.103 R)
• M16: 50,759,605 km (0.105 R)
• M17: 58,168,589 km (0.103 R)
• M18: 60,357,954 km (0.103 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: 522 - 15,568 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit