🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.9

Radius: 11.7

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.61 AU - 0.77 AU

Year: 403 Days

Day: 14.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,061,315 km

• M1: 145,559 km (0.117 R)
• M2: 528,080 km (0.098 R)
• M3: 944,262 km (0.083 R)
• M4: 1,346,680 km (0.118 R)
• M5: 2,642,796 km (0.106 R)
• M6: 3,153,374 km (0.045 R)
• M7: 3,659,164 km (0.085 R)
• M8: 4,308,867 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.9

Radius: 11.5

Gravity: 7.3 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.61 AU - 1.01 AU

Year: 512 Days

Day: 7.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,061,315 km

• M1: 143,016 km (0.116 R)
• M2: 771,027 km (0.107 R)
• M3: 1,231,789 km (0.119 R)
• M4: 1,628,971 km (0.106 R)
• M5: 2,669,724 km (0.086 R)
• M6: 3,411,579 km (0.079 R)
• M7: 4,050,961 km (0.093 R)
• M8: 5,048,479 km (0.105 R)
• M9: 5,806,043 km (0.063 R)
• M10: 6,398,002 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.9

Radius: 14.8

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.79 AU - 1.29 AU

Year: 746 Days

Day: 8.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 51,061,315 km

• M1: 184,454 km (0.094 R)
• M2: 731,234 km (0.112 R)
• M3: 2,451,760 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.4

Radius: 11.8

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.48 AU - 2.24 AU

Year: 1783 Days

Day: 6.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 51,061,315 km

• M1: 146,756 km (0.106 R)
• M2: 569,818 km (0.105 R)
• M3: 1,120,189 km (0.1 R)
• M4: 2,059,364 km (0.112 R)
• M5: 2,471,357 km (0.058 R)
• M6: 3,042,073 km (0.113 R)
• M7: 6,349,981 km (0.102 R)
• M8: 7,425,440 km (0.11 R)
• M9: 8,834,502 km (0.101 R)
• M10: 9,668,510 km (0.026 R)
• M11: 11,493,156 km (0.114 R)
• M12: 13,704,063 km (0.11 R)
• M13: 14,126,826 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.9

Radius: 9.2

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.01 AU - 3.07 AU

Year: 2846 Days

Day: 6.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,061,315 km

• M1: 114,442 km (0.065 R)
• M2: 524,640 km (0.089 R)
• M3: 1,082,341 km (0.088 R)
• M4: 1,416,243 km (0.111 R)
• M5: 1,902,586 km (0.096 R)
• M6: 2,484,222 km (0.108 R)
• M7: 2,845,202 km (0.096 R)
• M8: 3,396,769 km (0.103 R)
• M9: 3,723,790 km (0.105 R)
• M10: 4,035,851 km (0.057 R)
• M11: 4,996,419 km (0.042 R)
• M12: 5,597,055 km (0.071 R)
• M13: 5,938,138 km (0.064 R)
• M14: 6,293,134 km (0.085 R)
• M15: 6,737,888 km (0.091 R)
• M16: 7,580,274 km (0.037 R)
• M17: 9,473,285 km (0.092 R)
• M18: 9,893,206 km (0.111 R)
• M19: 10,563,554 km (0.099 R)
• M20: 11,772,305 km (0.104 R)
• M21: 12,333,896 km (0.117 R)
• M22: 12,795,854 km (0.119 R)
• M23: 13,591,565 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.1

Radius: 9.1

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.23 AU - 3.59 AU

Year: 3489 Days

Day: 9.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,061,315 km

• M1: 113,096 km (0.112 R)
• M2: 535,860 km (0.08 R)
• M3: 1,544,897 km (0.116 R)
• M4: 1,856,360 km (0.11 R)
• M5: 2,684,384 km (0.114 R)
• M6: 3,385,250 km (0.095 R)
• M7: 3,720,798 km (0.091 R)
• M8: 4,910,401 km (0.115 R)
• M9: 5,243,854 km (0.062 R)
• M10: 6,225,964 km (0.107 R)
• M11: 6,789,948 km (0.1 R)
• M12: 7,204,633 km (0.106 R)
• M13: 7,604,808 km (0.117 R)
• M14: 9,141,178 km (0.114 R)
• M15: 10,020,215 km (0.091 R)
• M16: 10,636,857 km (0.065 R)
• M17: 12,550,962 km (0.086 R)
• M18: 13,267,386 km (0.104 R)
• M19: 14,153,455 km (0.056 R)
• M20: 14,635,309 km (0.051 R)
• M21: 15,631,930 km (0.106 R)
• M22: 16,355,984 km (0.1 R)
• M23: 17,210,786 km (0.099 R)
• M24: 17,704,459 km (0.119 R)
• M25: 18,777,674 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 713.5

Radius: 7.7

Gravity: 12.03 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 6.13 AU - 6.21 AU

Year: 10773 Days

Day: 16.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 51,061,315 km

• M1: 96,790 km (0.059 R)
• M2: 782,846 km (0.114 R)
• M3: 1,033,572 km (0.107 R)
• M4: 1,570,478 km (0.066 R)
• M5: 1,960,779 km (0.073 R)
• M6: 2,533,590 km (0.072 R)
• M7: 3,531,856 km (0.043 R)
• M8: 4,437,222 km (0.082 R)
• M9: 5,387,169 km (0.094 R)
• M10: 7,512,805 km (0.08 R)
• M11: 8,210,530 km (0.037 R)
• M12: 8,529,023 km (0.06 R)
• M13: 10,091,274 km (0.098 R)
• M14: 15,770,009 km (0.116 R)
• M15: 18,725,016 km (0.11 R)
• M16: 20,581,226 km (0.025 R)
• M17: 21,942,716 km (0.106 R)
• M18: 23,453,954 km (0.066 R)
• M19: 27,991,407 km (0.116 R)
• M20: 28,713,666 km (0.117 R)
• M21: 30,411,302 km (0.061 R)
• M22: 34,827,431 km (0.091 R)
• M23: 36,756,496 km (0.119 R)
• M24: 46,754,720 km (0.07 R)
• M25: 47,771,088 km (0.061 R)
• M26: 49,397,815 km (0.111 R)
• M27: 50,756,164 km (0.044 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 14,892 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit