🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.9

Radius: 12.6

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.54 AU - 0.66 AU

Year: 321 Days

Day: 6.6 Hours

Environment

Temp: -143 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,301,765 km

• M1: 157,377 km (0.103 R)
• M2: 705,952 km (0.105 R)
• M3: 1,142,778 km (0.032 R)
• M4: 2,037,523 km (0.101 R)
• M5: 2,690,219 km (0.093 R)
• M6: 3,129,438 km (0.052 R)
• M7: 4,141,467 km (0.084 R)
• M8: 4,815,555 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.6

Radius: 9.9

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.63 AU - 0.97 AU

Year: 494 Days

Day: 6.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,301,765 km

• M1: 131,197 km (0.054 R)
• M2: 464,501 km (0.054 R)
• M3: 981,063 km (0.087 R)
• M4: 1,300,604 km (0.1 R)
• M5: 1,608,476 km (0.057 R)
• M6: 1,948,811 km (0.102 R)
• M7: 2,270,896 km (0.059 R)
• M8: 2,876,917 km (0.062 R)
• M9: 3,212,614 km (0.103 R)
• M10: 3,772,260 km (0.118 R)
• M11: 4,516,360 km (0.104 R)
• M12: 5,510,288 km (0.1 R)
• M13: 5,884,432 km (0.111 R)
• M14: 6,275,331 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.2

Radius: 11.1

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.41 AU - 1.57 AU

Year: 1255 Days

Day: 9.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,301,765 km

• M1: 138,079 km (0.091 R)
• M2: 502,798 km (0.105 R)
• M3: 1,032,225 km (0.069 R)
• M4: 1,561,054 km (0.107 R)
• M5: 2,034,082 km (0.032 R)
• M6: 2,514,740 km (0.1 R)
• M7: 3,127,343 km (0.119 R)
• M8: 3,485,032 km (0.093 R)
• M9: 4,301,836 km (0.114 R)
• M10: 4,862,230 km (0.08 R)
• M11: 6,693,458 km (0.11 R)
• M12: 7,088,546 km (0.097 R)
• M13: 8,200,806 km (0.066 R)
• M14: 8,974,975 km (0.089 R)
• M15: 11,175,260 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.1

Radius: 8

Gravity: 12.14 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 2.4 AU - 3.14 AU

Year: 3182 Days

Day: 5.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,301,765 km

• M1: 99,931 km (0.054 R)
• M2: 349,909 km (0.078 R)
• M3: 608,863 km (0.046 R)
• M4: 859,739 km (0.097 R)
• M5: 1,137,542 km (0.101 R)
• M6: 1,454,690 km (0.045 R)
• M7: 2,049,042 km (0.032 R)
• M8: 2,779,379 km (0.07 R)
• M9: 6,984,425 km (0.098 R)
• M10: 8,723,501 km (0.1 R)
• M11: 10,650,770 km (0.12 R)
• M12: 11,237,493 km (0.045 R)
• M13: 11,625,999 km (0.061 R)
• M14: 12,429,937 km (0.101 R)
• M15: 13,999,219 km (0.06 R)
• M16: 17,013,766 km (0.076 R)
• M17: 18,225,509 km (0.079 R)
• M18: 21,937,032 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.9

Radius: 8.7

Gravity: 11.63 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 4.53 AU - 5.17 AU

Year: 7373 Days

Day: 12.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 89,301,765 km

• M1: 108,159 km (0.109 R)
• M2: 381,175 km (0.085 R)
• M3: 1,311,674 km (0.115 R)
• M4: 1,849,927 km (0.065 R)
• M5: 2,381,000 km (0.03 R)
• M6: 3,273,201 km (0.077 R)
• M7: 4,769,779 km (0.111 R)
• M8: 6,106,585 km (0.093 R)
• M9: 8,643,466 km (0.095 R)
• M10: 9,087,921 km (0.105 R)
• M11: 9,500,811 km (0.087 R)
• M12: 10,613,371 km (0.071 R)
• M13: 11,279,380 km (0.12 R)
• M14: 11,864,458 km (0.086 R)
• M15: 14,042,004 km (0.075 R)
• M16: 14,594,469 km (0.094 R)
• M17: 14,970,708 km (0.028 R)
• M18: 15,677,258 km (0.116 R)
• M19: 16,676,423 km (0.112 R)
• M20: 17,505,793 km (0.053 R)
• M21: 18,073,816 km (0.099 R)
• M22: 25,518,255 km (0.074 R)
• M23: 26,805,395 km (0.109 R)
• M24: 27,370,127 km (0.032 R)
• M25: 28,231,961 km (0.079 R)
• M26: 29,909,102 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.1

Radius: 13.2

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 4.03 AU - 5.91 AU

Year: 7648 Days

Day: 8.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 173.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 89,301,765 km

• M1: 165,006 km (0.03 R)
• M2: 1,018,612 km (0.113 R)
• M3: 1,739,225 km (0.105 R)
• M4: 2,152,115 km (0.029 R)
• M5: 2,594,925 km (0.114 R)
• M6: 3,599,175 km (0.047 R)
• M7: 4,077,888 km (0.091 R)
• M8: 5,047,881 km (0.102 R)
• M9: 5,464,511 km (0.058 R)
• M10: 6,748,809 km (0.111 R)
• M11: 7,519,088 km (0.066 R)
• M12: 8,024,879 km (0.067 R)
• M13: 8,889,853 km (0.036 R)
• M14: 9,861,791 km (0.096 R)
• M15: 13,542,347 km (0.083 R)
• M16: 15,193,160 km (0.12 R)
• M17: 17,173,387 km (0.115 R)
• M18: 18,329,629 km (0.08 R)
• M19: 20,271,708 km (0.117 R)
• M20: 21,177,523 km (0.112 R)
• M21: 23,396,060 km (0.093 R)
• M22: 25,504,343 km (0.074 R)
• M23: 27,644,639 km (0.063 R)
• M24: 35,103,140 km (0.102 R)
• M25: 36,409,130 km (0.054 R)
• M26: 37,297,741 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 964

Radius: 4.5

Gravity: 47.6 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 9.32 AU - 10.44 AU

Year: 21436 Days

Day: 22.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 89,301,765 km

• M1: 55,950 km (0.118 R)
• M2: 261,198 km (0.091 R)
• M3: 780,751 km (0.076 R)
• M4: 980,614 km (0.106 R)
• M5: 1,244,056 km (0.102 R)
• M6: 3,292,500 km (0.074 R)
• M7: 5,431,749 km (0.107 R)
• M8: 6,810,742 km (0.104 R)
• M9: 8,856,643 km (0.093 R)
• M10: 10,555,626 km (0.083 R)
• M11: 13,569,574 km (0.116 R)
• M12: 13,722,164 km (0.097 R)
• M13: 14,109,024 km (0.051 R)
• M14: 15,982,139 km (0.091 R)
• M15: 25,597,392 km (0.108 R)
• M16: 26,538,812 km (0.047 R)
• M17: 27,138,849 km (0.041 R)
• M18: 30,275,318 km (0.095 R)
• M19: 31,327,888 km (0.117 R)
• M20: 31,863,299 km (0.065 R)
• M21: 37,107,303 km (0.08 R)
• M22: 38,160,173 km (0.115 R)
• M23: 40,167,926 km (0.103 R)
• M24: 48,368,582 km (0.08 R)
• M25: 51,270,182 km (0.072 R)
• M26: 60,048,884 km (0.108 R)
• M27: 61,498,637 km (0.089 R)
• M28: 61,707,626 km (0.027 R)
• M29: 66,646,001 km (0.078 R)
• M30: 78,522,426 km (0.148 R)
• M31: 87,176,962 km (0.111 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: 384 - 18,269 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit