🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.9

Radius: 13.5

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.68 AU - 1.08 AU

Year: 525 Days

Day: 11 Hours

Environment

Temp: -142 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,238,092 km

• M1: 167,849 km (0.106 R)
• M2: 602,281 km (0.056 R)
• M3: 1,147,116 km (0.09 R)
• M4: 1,626,278 km (0.082 R)
• M5: 2,927,032 km (0.081 R)
• M6: 3,957,462 km (0.089 R)
• M7: 4,518,304 km (0.111 R)
• M8: 5,031,575 km (0.111 R)
• M9: 6,080,705 km (0.108 R)
• M10: 6,954,356 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 352.5

Radius: 9.5

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.73 AU - 1.11 AU

Year: 561 Days

Day: 10.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,238,092 km

• M1: 118,182 km (0.053 R)
• M2: 523,593 km (0.099 R)
• M3: 823,686 km (0.098 R)
• M4: 1,296,714 km (0.096 R)
• M5: 1,783,207 km (0.089 R)
• M6: 2,183,830 km (0.087 R)
• M7: 2,575,926 km (0.048 R)
• M8: 3,079,771 km (0.114 R)
• M9: 4,042,882 km (0.092 R)
• M10: 4,888,260 km (0.06 R)
• M11: 5,257,916 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.9

Radius: 10.1

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1.58 AU - 2.62 AU

Year: 1935 Days

Day: 9 Hours

Environment

Temp: -186 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,238,092 km

• M1: 125,662 km (0.1 R)
• M2: 455,675 km (0.102 R)
• M3: 829,670 km (0.101 R)
• M4: 1,495,979 km (0.075 R)
• M5: 2,280,620 km (0.116 R)
• M6: 2,624,545 km (0.051 R)
• M7: 3,286,516 km (0.103 R)
• M8: 3,710,027 km (0.082 R)
• M9: 4,443,655 km (0.069 R)
• M10: 5,093,508 km (0.116 R)
• M11: 5,686,365 km (0.11 R)
• M12: 6,073,674 km (0.092 R)
• M13: 7,455,659 km (0.105 R)
• M14: 8,342,624 km (0.113 R)
• M15: 8,748,184 km (0.081 R)
• M16: 10,977,342 km (0.119 R)
• M17: 11,426,734 km (0.112 R)
• M18: 11,966,633 km (0.092 R)
• M19: 13,475,776 km (0.042 R)
• M20: 13,947,907 km (0.066 R)
• M21: 14,430,959 km (0.108 R)
• M22: 15,570,745 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.1

Radius: 11.6

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.22 AU - 2.64 AU

Year: 2408 Days

Day: 7.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 63.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 66,238,092 km

• M1: 144,512 km (0.062 R)
• M2: 607,517 km (0.086 R)
• M3: 2,075,820 km (0.059 R)
• M4: 2,716,398 km (0.1 R)
• M5: 3,144,248 km (0.108 R)
• M6: 3,808,163 km (0.054 R)
• M7: 5,241,012 km (0.031 R)
• M8: 5,834,167 km (0.098 R)
• M9: 6,431,661 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.3

Radius: 9.3

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 2.87 AU - 3.69 AU

Year: 3777 Days

Day: 11.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,238,092 km

• M1: 117,135 km (0.076 R)
• M2: 414,835 km (0.093 R)
• M3: 956,529 km (0.06 R)
• M4: 1,555,369 km (0.092 R)
• M5: 2,432,162 km (0.094 R)
• M6: 3,095,180 km (0.094 R)
• M7: 3,853,043 km (0.088 R)
• M8: 5,305,788 km (0.108 R)
• M9: 6,935,956 km (0.095 R)
• M10: 7,780,735 km (0.12 R)
• M11: 9,061,741 km (0.115 R)
• M12: 10,811,887 km (0.114 R)
• M13: 11,152,820 km (0.047 R)
• M14: 11,900,959 km (0.069 R)
• M15: 12,682,459 km (0.11 R)
• M16: 13,109,710 km (0.079 R)
• M17: 13,743,856 km (0.053 R)
• M18: 14,968,165 km (0.096 R)
• M19: 15,932,921 km (0.095 R)
• M20: 16,711,728 km (0.101 R)
• M21: 17,867,820 km (0.079 R)
• M22: 19,512,050 km (0.119 R)
• M23: 20,274,251 km (0.089 R)
• M24: 22,061,647 km (0.11 R)
• M25: 22,541,706 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.4

Radius: 11.4

Gravity: 5.92 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.85 AU - 4.85 AU

Year: 5769 Days

Day: 8 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,238,092 km

• M1: 141,819 km (0.104 R)
• M2: 518,057 km (0.116 R)
• M3: 880,533 km (0.07 R)
• M4: 1,517,222 km (0.083 R)
• M5: 1,984,266 km (0.109 R)
• M6: 2,894,868 km (0.105 R)
• M7: 4,187,244 km (0.088 R)
• M8: 4,729,985 km (0.1 R)
• M9: 6,148,173 km (0.086 R)
• M10: 7,275,992 km (0.107 R)
• M11: 8,218,458 km (0.102 R)
• M12: 8,577,044 km (0.078 R)
• M13: 9,368,716 km (0.103 R)
• M14: 9,937,936 km (0.073 R)
• M15: 11,536,240 km (0.114 R)
• M16: 12,242,043 km (0.096 R)
• M17: 12,816,349 km (0.112 R)
• M18: 14,245,906 km (0.096 R)
• M19: 19,100,955 km (0.097 R)
• M20: 20,449,580 km (0.116 R)
• M21: 22,473,939 km (0.089 R)
• M22: 26,397,143 km (0.06 R)
• M23: 30,850,222 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 953.2

Radius: 7.8

Gravity: 15.67 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 7.76 AU - 7.78 AU

Year: 13771 Days

Day: 19.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,238,092 km

• M1: 97,089 km (0.088 R)
• M2: 820,694 km (0.028 R)
• M3: 1,596,060 km (0.039 R)
• M4: 3,812,951 km (0.117 R)
• M5: 6,368,381 km (0.031 R)
• M6: 7,230,364 km (0.081 R)
• M7: 8,022,186 km (0.109 R)
• M8: 9,290,028 km (0.098 R)
• M9: 10,339,158 km (0.114 R)
• M10: 11,465,330 km (0.095 R)
• M11: 13,001,850 km (0.12 R)
• M12: 14,029,288 km (0.054 R)
• M13: 14,526,851 km (0.108 R)
• M14: 15,407,085 km (0.078 R)
• M15: 19,112,325 km (0.088 R)
• M16: 27,556,227 km (0.073 R)
• M17: 30,528,437 km (0.11 R)
• M18: 30,884,630 km (0.103 R)
• M19: 44,254,641 km (0.064 R)
• M20: 57,343,706 km (0.079 R)
• M21: 64,079,350 km (0.108 R)
• M22: 65,447,572 km (0.035 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 10,831 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit