🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.51 AU - 0.79 AU

Year: 333 Days

Day: 13 Hours

Environment

Temp: -138 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 15,977,538 km

• M1: 17,802 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.5

Radius: 9.9

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.67 AU - 1.01 AU

Year: 489 Days

Day: 9.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 15,977,538 km

• M1: 123,119 km (0.049 R)
• M2: 451,486 km (0.111 R)
• M3: 909,555 km (0.118 R)
• M4: 1,290,880 km (0.115 R)
• M5: 1,765,853 km (0.097 R)
• M6: 2,127,431 km (0.083 R)
• M7: 2,925,686 km (0.12 R)
• M8: 3,342,016 km (0.034 R)
• M9: 4,052,606 km (0.077 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.6

Radius: 8.8

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 3.59 AU - 4.89 AU

Year: 5551 Days

Day: 14.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 161 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 15,977,538 km

• M1: 109,506 km (0.118 R)
• M2: 458,368 km (0.064 R)
• M3: 939,175 km (0.105 R)
• M4: 1,644,978 km (0.057 R)
• M5: 2,105,590 km (0.084 R)
• M6: 2,448,020 km (0.112 R)
• M7: 3,069,898 km (0.067 R)
• M8: 3,346,804 km (0.098 R)
• M9: 3,860,373 km (0.045 R)
• M10: 4,450,387 km (0.087 R)
• M11: 5,604,385 km (0.104 R)
• M12: 6,266,655 km (0.105 R)
• M13: 7,426,786 km (0.098 R)
• M14: 8,491,474 km (0.086 R)
• M15: 9,488,395 km (0.098 R)
• M16: 13,100,136 km (0.109 R)
• M17: 13,515,868 km (0.091 R)
• M18: 14,155,848 km (0.117 R)
• M19: 16,256,801 km (0.06 R)
• M20: 17,474,976 km (0.057 R)
• M21: 18,298,662 km (0.107 R)
• M22: 23,336,370 km (0.102 R)
• M23: 24,726,434 km (0.062 R)
• M24: 28,528,613 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687

Radius: 14.6

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.54 AU - 5.6 AU

Year: 7258 Days

Day: 7.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 15,977,538 km

• M1: 181,612 km (0.117 R)
• M2: 638,783 km (0.036 R)
• M3: 1,112,559 km (0.1 R)
• M4: 1,863,690 km (0.088 R)
• M5: 2,487,065 km (0.094 R)
• M6: 2,978,344 km (0.036 R)
• M7: 4,237,360 km (0.113 R)
• M8: 5,090,068 km (0.057 R)
• M9: 6,633,618 km (0.1 R)
• M10: 8,143,360 km (0.103 R)
• M11: 9,153,146 km (0.038 R)
• M12: 15,062,860 km (0.089 R)
• M13: 16,518,298 km (0.093 R)
• M14: 19,125,789 km (0.086 R)
• M15: 20,376,876 km (0.09 R)
• M16: 20,907,649 km (0.1 R)
• M17: 21,603,578 km (0.099 R)
• M18: 23,701,389 km (0.104 R)
• M19: 24,288,561 km (0.074 R)
• M20: 24,799,737 km (0.071 R)
• M21: 26,916,247 km (0.104 R)
• M22: 32,216,949 km (0.115 R)
• M23: 36,817,382 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 912.4

Radius: 7.2

Gravity: 17.6 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 5.34 AU - 7.86 AU

Year: 10781 Days

Day: 20.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 15,977,538 km

• M1: 89,759 km (0.107 R)
• M2: 525,837 km (0.046 R)
• M3: 1,344,286 km (0.074 R)
• M4: 2,061,010 km (0.118 R)
• M5: 3,199,749 km (0.072 R)
• M6: 3,932,928 km (0.043 R)
• M7: 4,869,859 km (0.075 R)
• M8: 5,201,817 km (0.106 R)
• M9: 6,562,859 km (0.052 R)
• M10: 8,009,171 km (0.028 R)
• M11: 10,074,369 km (0.094 R)
• M12: 10,890,875 km (0.096 R)
• M13: 13,866,376 km (0.118 R)
• M14: 14,806,898 km (0.117 R)
• M15: 15,575,233 km (0.107 R)
• M16: 17,573,411 km (0.106 R)
• M17: 17,883,229 km (0.097 R)
• M18: 19,323,258 km (0.061 R)
• M19: 21,802,992 km (0.096 R)
• M20: 23,538,028 km (0.116 R)
• M21: 24,583,568 km (0.084 R)
• M22: 24,971,325 km (0.057 R)
• M23: 27,488,010 km (0.081 R)
• M24: 28,116,172 km (0.109 R)
• M25: 30,725,009 km (0.109 R)
• M26: 32,901,658 km (0.113 R)
• M27: 39,248,348 km (0.044 R)
• M28: 39,645,231 km (0.105 R)
• M29: 43,057,259 km (0.075 R)
• M30: 45,486,130 km (0.061 R)
• M31: 45,924,003 km (0.057 R)
• M32: 48,915,661 km (0.048 R)
• M33: 49,221,739 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 16

Radius: 4.7

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.49 AU - 8.15 AU

Year: 12592 Days

Day: 16.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 15,977,538 km

• M1: 59,091 km (0.094 R)
• M2: 523,593 km (0.091 R)
• M3: 1,061,995 km (0.108 R)
• M4: 1,386,922 km (0.04 R)
• M5: 2,899,207 km (0.111 R)
• M6: 3,889,245 km (0.091 R)
• M7: 13,407,560 km (0.091 R)
• M8: 14,054,870 km (0.085 R)
• M9: 14,949,764 km (0.095 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 157 - 11,981 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit