🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.8

Radius: 8

Gravity: 11.34 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.7 AU - 0.9 AU

Year: 485 Days

Day: 9.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 34,297,231 km

• M1: 99,931 km (0.052 R)
• M2: 398,230 km (0.038 R)
• M3: 702,512 km (0.1 R)
• M4: 953,686 km (0.088 R)
• M5: 1,229,844 km (0.104 R)
• M6: 1,574,218 km (0.078 R)
• M7: 1,841,550 km (0.117 R)
• M8: 2,362,001 km (0.088 R)
• M9: 2,672,865 km (0.072 R)
• M10: 3,208,276 km (0.113 R)
• M11: 4,751,228 km (0.068 R)
• M12: 5,332,715 km (0.117 R)
• M13: 5,605,881 km (0.104 R)
• M14: 5,960,727 km (0.076 R)
• M15: 6,444,227 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.4

Radius: 14.9

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.78 AU - 1.18 AU

Year: 658 Days

Day: 5.8 Hours

Environment

Temp: -169 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 34,297,231 km

• M1: 185,352 km (0.083 R)
• M2: 709,244 km (0.106 R)
• M3: 1,173,147 km (0.094 R)
• M4: 1,784,553 km (0.058 R)
• M5: 2,372,173 km (0.117 R)
• M6: 2,990,013 km (0.084 R)
• M7: 4,203,850 km (0.115 R)
• M8: 5,116,397 km (0.094 R)
• M9: 6,528,002 km (0.108 R)
• M10: 7,223,184 km (0.068 R)
• M11: 7,729,572 km (0.093 R)
• M12: 8,458,413 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.5

Radius: 13.8

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.21 AU - 1.85 AU

Year: 1284 Days

Day: 9 Hours

Environment

Temp: -196 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,297,231 km

• M1: 171,589 km (0.064 R)
• M2: 817,852 km (0.095 R)
• M3: 1,809,237 km (0.086 R)
• M4: 2,743,176 km (0.095 R)
• M5: 3,297,586 km (0.087 R)
• M6: 4,012,664 km (0.063 R)
• M7: 6,818,970 km (0.095 R)
• M8: 7,306,360 km (0.116 R)
• M9: 9,183,963 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776

Radius: 10.6

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.16 AU - 2.74 AU

Year: 2601 Days

Day: 7.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,297,231 km

• M1: 132,245 km (0.081 R)
• M2: 491,429 km (0.079 R)
• M3: 926,908 km (0.069 R)
• M4: 1,350,270 km (0.113 R)
• M5: 1,774,081 km (0.109 R)
• M6: 2,341,057 km (0.118 R)
• M7: 3,143,350 km (0.108 R)
• M8: 3,534,250 km (0.105 R)
• M9: 4,160,915 km (0.096 R)
• M10: 4,976,224 km (0.037 R)
• M11: 6,436,299 km (0.043 R)
• M12: 6,777,083 km (0.043 R)
• M13: 7,129,835 km (0.079 R)
• M14: 7,619,319 km (0.1 R)
• M15: 8,328,861 km (0.084 R)
• M16: 10,181,182 km (0.05 R)
• M17: 10,961,934 km (0.114 R)
• M18: 14,392,213 km (0.111 R)
• M19: 15,075,875 km (0.116 R)
• M20: 15,729,917 km (0.099 R)
• M21: 19,346,146 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346

Radius: 11.3

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 2.94 AU - 4.3 AU

Year: 4671 Days

Day: 5.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 34,297,231 km

• M1: 140,472 km (0.106 R)
• M2: 510,428 km (0.11 R)
• M3: 1,433,896 km (0.075 R)
• M4: 2,046,798 km (0.025 R)
• M5: 2,452,059 km (0.101 R)
• M6: 3,134,973 km (0.083 R)
• M7: 3,838,233 km (0.091 R)
• M8: 4,713,530 km (0.088 R)
• M9: 5,074,360 km (0.104 R)
• M10: 6,559,418 km (0.04 R)
• M11: 8,560,140 km (0.04 R)
• M12: 9,136,391 km (0.079 R)
• M13: 9,661,778 km (0.111 R)
• M14: 10,773,141 km (0.088 R)
• M15: 11,879,567 km (0.115 R)
• M16: 12,734,818 km (0.062 R)
• M17: 13,248,537 km (0.059 R)
• M18: 15,078,568 km (0.111 R)
• M19: 18,336,361 km (0.117 R)
• M20: 19,786,562 km (0.1 R)
• M21: 20,539,788 km (0.082 R)
• M22: 21,377,087 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 67.3

Radius: 4.7

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.8 AU - 6.92 AU

Year: 9621 Days

Day: 21.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 70.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,297,231 km

• M1: 59,091 km (0.104 R)
• M2: 2,017,477 km (0.098 R)
• M3: 3,046,411 km (0.03 R)
• M4: 3,538,438 km (0.05 R)
• M5: 5,773,580 km (0.089 R)
• M6: 7,949,332 km (0.112 R)
• M7: 13,213,980 km (0.056 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 175.8

Radius: 5.6

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 6.71 AU - 6.83 AU

Year: 11947 Days

Day: 18.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 34,297,231 km

• M1: 69,713 km (0.09 R)
• M2: 286,330 km (0.058 R)
• M3: 721,062 km (0.097 R)
• M4: 1,414,897 km (0.114 R)
• M5: 2,068,939 km (0.094 R)
• M6: 2,260,274 km (0.056 R)
• M7: 3,025,168 km (0.103 R)
• M8: 4,994,175 km (0.068 R)
• M9: 5,252,381 km (0.053 R)
• M10: 7,135,070 km (0.074 R)
• M11: 7,352,436 km (0.087 R)
• M12: 10,089,928 km (0.115 R)
• M13: 10,502,967 km (0.109 R)
• M14: 10,831,933 km (0.046 R)
• M15: 12,580,732 km (0.073 R)
• M16: 13,113,001 km (0.068 R)
• M17: 13,384,821 km (0.111 R)
• M18: 17,792,124 km (0.092 R)
• M19: 18,803,854 km (0.086 R)
• M20: 22,299,208 km (0.114 R)
• M21: 24,607,952 km (0.119 R)
• M22: 25,271,867 km (0.092 R)
• M23: 28,862,964 km (0.075 R)
• M24: 29,138,374 km (0.113 R)
• M25: 30,923,376 km (0.069 R)
• M26: 31,696,348 km (0.09 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: 410 - 19,594 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit