🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.4

Radius: 14.4

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.59 AU - 0.77 AU

Year: 387 Days

Day: 7.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 79,343,079 km

• M1: 179,069 km (0.055 R)
• M2: 650,601 km (0.059 R)
• M3: 1,184,815 km (0.11 R)
• M4: 1,713,344 km (0.107 R)
• M5: 2,445,776 km (0.071 R)
• M6: 3,688,186 km (0.1 R)
• M7: 4,159,270 km (0.077 R)
• M8: 4,699,468 km (0.085 R)
• M9: 5,192,991 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.6

Radius: 12.1

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 3.11 AU - 3.53 AU

Year: 4176 Days

Day: 12.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,343,079 km

• M1: 157,527 km (0.119 R)
• M2: 892,800 km (0.074 R)
• M3: 1,461,571 km (0.102 R)
• M4: 3,054,938 km (0.084 R)
• M5: 3,931,282 km (0.035 R)
• M6: 4,612,252 km (0.108 R)
• M7: 5,370,414 km (0.112 R)
• M8: 8,076,639 km (0.118 R)
• M9: 9,827,982 km (0.11 R)
• M10: 10,859,309 km (0.064 R)
• M11: 11,264,271 km (0.111 R)
• M12: 12,442,354 km (0.119 R)
• M13: 13,493,878 km (0.094 R)
• M14: 19,132,969 km (0.073 R)
• M15: 20,328,705 km (0.091 R)
• M16: 21,503,198 km (0.112 R)
• M17: 21,928,355 km (0.082 R)
• M18: 25,219,807 km (0.048 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.5

Radius: 14.1

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.33 AU - 4.17 AU

Year: 5013 Days

Day: 6 Hours

Environment

Temp: -213 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 79,343,079 km

• M1: 175,628 km (0.076 R)
• M2: 618,438 km (0.077 R)
• M3: 1,365,081 km (0.111 R)
• M4: 1,814,772 km (0.099 R)
• M5: 3,631,040 km (0.087 R)
• M6: 4,543,138 km (0.07 R)
• M7: 5,166,213 km (0.079 R)
• M8: 5,663,027 km (0.08 R)
• M9: 6,890,328 km (0.104 R)
• M10: 7,493,956 km (0.068 R)
• M11: 7,979,251 km (0.081 R)
• M12: 8,848,564 km (0.101 R)
• M13: 11,640,360 km (0.113 R)
• M14: 12,344,068 km (0.103 R)
• M15: 13,022,943 km (0.12 R)
• M16: 15,686,982 km (0.076 R)
• M17: 16,297,641 km (0.087 R)
• M18: 17,372,053 km (0.065 R)
• M19: 19,106,042 km (0.112 R)
• M20: 22,071,071 km (0.114 R)
• M21: 22,760,867 km (0.081 R)
• M22: 24,345,258 km (0.078 R)
• M23: 26,858,203 km (0.109 R)
• M24: 28,266,817 km (0.104 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159.5

Radius: 3.1

Gravity: 16.6 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.65 AU - 7.07 AU

Year: 9792 Days

Day: 23.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 79,343,079 km

• M1: 38,596 km (0.056 R)
• M2: 171,439 km (0.118 R)
• M3: 439,967 km (0.102 R)
• M4: 696,677 km (0.046 R)
• M5: 846,425 km (0.103 R)
• M6: 946,207 km (0.049 R)
• M7: 1,053,917 km (0.084 R)
• M8: 2,114,117 km (0.098 R)
• M9: 2,267,754 km (0.114 R)
• M10: 3,229,968 km (0.116 R)
• M11: 3,434,169 km (0.117 R)
• M12: 3,756,253 km (0.103 R)
• M13: 4,005,034 km (0.11 R)
• M14: 5,056,857 km (0.079 R)
• M15: 6,992,952 km (0.111 R)
• M16: 7,128,189 km (0.118 R)
• M17: 7,976,708 km (0.118 R)
• M18: 8,733,374 km (0.103 R)
• M19: 9,250,235 km (0.078 R)
• M20: 9,745,104 km (0.115 R)
• M21: 10,564,302 km (0.075 R)
• M22: 11,522,028 km (0.065 R)
• M23: 14,519,820 km (0.088 R)
• M24: 16,167,341 km (0.091 R)
• M25: 28,644,402 km (0.054 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.1

Radius: 6.3

Gravity: 19.2 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.61 AU - 7.47 AU

Year: 10246 Days

Day: 24.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 79,343,079 km

• M1: 78,389 km (0.118 R)
• M2: 284,834 km (0.094 R)
• M3: 558,598 km (0.087 R)
• M4: 964,158 km (0.094 R)
• M5: 1,307,635 km (0.065 R)
• M6: 2,333,278 km (0.065 R)
• M7: 3,426,539 km (0.1 R)
• M8: 4,113,642 km (0.113 R)
• M9: 4,313,505 km (0.103 R)
• M10: 4,671,194 km (0.066 R)
• M11: 5,687,262 km (0.115 R)
• M12: 6,081,004 km (0.036 R)
• M13: 6,724,873 km (0.066 R)
• M14: 8,555,652 km (0.094 R)
• M15: 8,977,219 km (0.09 R)
• M16: 12,265,679 km (0.099 R)
• M17: 13,352,807 km (0.093 R)
• M18: 15,996,201 km (0.104 R)
• M19: 17,739,166 km (0.09 R)
• M20: 19,928,082 km (0.034 R)
• M21: 20,751,618 km (0.05 R)
• M22: 23,088,337 km (0.066 R)
• M23: 26,175,289 km (0.089 R)
• M24: 28,482,687 km (0.111 R)
• M25: 32,473,210 km (0.119 R)
• M26: 37,313,150 km (0.059 R)
• M27: 40,358,214 km (0.101 R)
• M28: 45,794,451 km (0.113 R)
• M29: 49,131,232 km (0.088 R)
• M30: 49,428,782 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.2

Radius: 7

Gravity: 15.09 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 4.89 AU - 7.41 AU

Year: 10527 Days

Day: 24.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 79,343,079 km

• M1: 87,365 km (0.042 R)
• M2: 398,379 km (0.104 R)
• M3: 834,008 km (0.084 R)
• M4: 1,097,899 km (0.12 R)
• M5: 1,444,816 km (0.117 R)
• M6: 1,912,310 km (0.093 R)
• M7: 2,302,311 km (0.025 R)
• M8: 4,267,878 km (0.105 R)
• M9: 4,715,474 km (0.099 R)
• M10: 5,917,493 km (0.094 R)
• M11: 7,394,922 km (0.075 R)
• M12: 8,723,351 km (0.064 R)
• M13: 11,003,372 km (0.118 R)
• M14: 11,729,670 km (0.062 R)
• M15: 12,075,391 km (0.059 R)
• M16: 12,727,039 km (0.095 R)
• M17: 13,907,516 km (0.057 R)
• M18: 15,023,965 km (0.113 R)
• M19: 16,412,532 km (0.108 R)
• M20: 16,991,326 km (0.118 R)
• M21: 18,652,910 km (0.093 R)
• M22: 21,089,261 km (0.116 R)
• M23: 25,801,145 km (0.061 R)
• M24: 26,980,275 km (0.095 R)
• M25: 35,773,339 km (0.082 R)
• M26: 37,361,919 km (0.107 R)
• M27: 38,488,839 km (0.059 R)
• M28: 40,417,156 km (0.12 R)
• M29: 42,274,114 km (0.101 R)
• M30: 42,543,989 km (0.102 R)
• M31: 43,772,636 km (0.06 R)
• M32: 45,447,235 km (0.108 R)
• M33: 49,520,037 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 851.2

Radius: 3

Gravity: 94.58 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 9.09 AU - 9.21 AU

Year: 19105 Days

Day: 20.6 Hours

Environment

Temp: -241 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,343,079 km

• M1: 37,998 km (0.113 R)
• M2: 192,233 km (0.086 R)
• M3: 462,407 km (0.112 R)
• M4: 1,092,962 km (0.084 R)
• M5: 1,367,773 km (0.042 R)
• M6: 1,598,304 km (0.115 R)
• M7: 2,052,632 km (0.049 R)
• M8: 4,286,727 km (0.066 R)
• M9: 4,458,017 km (0.09 R)
• M10: 5,705,513 km (0.094 R)
• M11: 7,458,501 km (0.087 R)
• M12: 11,644,698 km (0.083 R)
• M13: 12,664,357 km (0.034 R)
• M14: 13,376,294 km (0.111 R)
• M15: 13,815,962 km (0.069 R)
• M16: 19,029,747 km (0.1 R)
• M17: 19,773,248 km (0.094 R)
• M18: 26,431,251 km (0.115 R)
• M19: 30,761,960 km (0.046 R)
• M20: 36,952,918 km (0.091 R)
• M21: 55,008,483 km (0.083 R)
• M22: 79,343,120 km (0.045 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 11,708 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit