🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 947.9

Radius: 9.9

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.48 AU - 0.6 AU

Year: 269 Days

Day: 11.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,513,664 km

• M1: 123,119 km (0.107 R)
• M2: 476,918 km (0.109 R)
• M3: 826,827 km (0.026 R)
• M4: 1,442,572 km (0.047 R)
• M5: 1,941,332 km (0.092 R)
• M6: 2,290,343 km (0.117 R)
• M7: 2,700,242 km (0.117 R)
• M8: 3,179,703 km (0.104 R)
• M9: 3,564,618 km (0.039 R)
• M10: 4,402,067 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.9

Radius: 10.7

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.61 AU - 0.69 AU

Year: 355 Days

Day: 12.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,513,664 km

• M1: 133,142 km (0.06 R)
• M2: 583,880 km (0.113 R)
• M3: 925,113 km (0.102 R)
• M4: 1,539,960 km (0.067 R)
• M5: 2,337,168 km (0.066 R)
• M6: 3,024,570 km (0.118 R)
• M7: 3,694,319 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.1

Radius: 14.8

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.87 AU - 1.15 AU

Year: 688 Days

Day: 13.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,513,664 km

• M1: 184,005 km (0.086 R)
• M2: 647,310 km (0.057 R)
• M3: 1,115,402 km (0.108 R)
• M4: 1,880,146 km (0.077 R)
• M5: 3,012,153 km (0.081 R)
• M6: 3,889,993 km (0.101 R)
• M7: 5,494,879 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.5

Radius: 11.2

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.09 AU - 1.11 AU

Year: 782 Days

Day: 8.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 34,513,664 km

• M1: 139,874 km (0.066 R)
• M2: 536,757 km (0.092 R)
• M3: 1,018,462 km (0.114 R)
• M4: 1,508,096 km (0.027 R)
• M5: 3,011,405 km (0.07 R)
• M6: 3,810,407 km (0.035 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.7

Radius: 11.3

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.09 AU - 1.29 AU

Year: 880 Days

Day: 6.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 34,513,664 km

• M1: 140,472 km (0.053 R)
• M2: 506,538 km (0.077 R)
• M3: 891,753 km (0.099 R)
• M4: 1,899,295 km (0.071 R)
• M5: 2,256,085 km (0.113 R)
• M6: 3,379,715 km (0.061 R)
• M7: 4,003,089 km (0.07 R)
• M8: 5,025,292 km (0.081 R)
• M9: 5,798,413 km (0.105 R)
• M10: 6,516,184 km (0.11 R)
• M11: 7,011,652 km (0.112 R)
• M12: 7,507,868 km (0.105 R)
• M13: 8,730,681 km (0.045 R)
• M14: 9,333,561 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518

Radius: 14.9

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.1 AU - 4.18 AU

Year: 4710 Days

Day: 13.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,513,664 km

• M1: 185,352 km (0.109 R)
• M2: 731,234 km (0.074 R)
• M3: 1,226,254 km (0.054 R)
• M4: 1,803,103 km (0.095 R)
• M5: 2,998,689 km (0.081 R)
• M6: 4,746,292 km (0.118 R)
• M7: 5,659,437 km (0.12 R)
• M8: 6,143,835 km (0.069 R)
• M9: 7,229,467 km (0.086 R)
• M10: 8,330,806 km (0.103 R)
• M11: 8,809,220 km (0.069 R)
• M12: 10,952,958 km (0.096 R)
• M13: 11,800,280 km (0.079 R)
• M14: 14,084,789 km (0.064 R)
• M15: 16,882,718 km (0.084 R)
• M16: 19,005,512 km (0.098 R)
• M17: 24,741,992 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 508.8

Radius: 3.2

Gravity: 49.69 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 5.31 AU - 5.99 AU

Year: 9109 Days

Day: 19.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,513,664 km

• M1: 39,943 km (0.044 R)
• M2: 174,581 km (0.093 R)
• M3: 953,686 km (0.092 R)
• M4: 1,325,736 km (0.079 R)
• M5: 1,438,683 km (0.109 R)
• M6: 2,021,366 km (0.052 R)
• M7: 2,154,509 km (0.106 R)
• M8: 2,827,849 km (0.078 R)
• M9: 4,982,357 km (0.063 R)
• M10: 10,772,543 km (0.094 R)
• M11: 12,966,545 km (0.063 R)
• M12: 13,957,481 km (0.042 R)
• M13: 15,377,165 km (0.117 R)
• M14: 18,283,852 km (0.06 R)
• M15: 18,935,350 km (0.086 R)
• M16: 26,597,753 km (0.065 R)
• M17: 33,563,778 km (0.075 R)
• M18: 35,199,781 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 292.4

Radius: 3.1

Gravity: 30.43 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.7 AU - 5.8 AU

Year: 9352 Days

Day: 20.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 34,513,664 km

• M1: 38,596 km (0.073 R)
• M2: 310,266 km (0.079 R)
• M3: 436,527 km (0.088 R)
• M4: 616,942 km (0.091 R)
• M5: 896,839 km (0.096 R)
• M6: 1,200,373 km (0.11 R)
• M7: 1,454,241 km (0.046 R)
• M8: 2,294,981 km (0.041 R)
• M9: 2,915,662 km (0.04 R)
• M10: 3,923,204 km (0.063 R)
• M11: 4,665,658 km (0.095 R)
• M12: 5,258,814 km (0.081 R)
• M13: 5,932,154 km (0.068 R)
• M14: 7,672,875 km (0.102 R)
• M15: 8,334,696 km (0.118 R)
• M16: 9,160,925 km (0.108 R)
• M17: 9,419,131 km (0.061 R)
• M18: 9,550,029 km (0.098 R)
• M19: 10,453,899 km (0.075 R)
• M20: 12,746,187 km (0.07 R)
• M21: 13,952,096 km (0.108 R)
• M22: 15,292,044 km (0.117 R)
• M23: 18,632,864 km (0.095 R)
• M24: 18,770,194 km (0.111 R)
• M25: 20,913,034 km (0.087 R)
• M26: 22,740,522 km (0.118 R)
• M27: 30,922,777 km (0.117 R)
• M28: 33,591,155 km (0.102 R)
• M29: 34,513,725 km (0.096 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: 506 - 19,461 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit