🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.6

Radius: 13.5

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.56 AU - 0.58 AU

Year: 302 Days

Day: 6.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 105 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,108,607 km

• M1: 167,849 km (0.117 R)
• M2: 616,942 km (0.058 R)
• M3: 1,048,531 km (0.037 R)
• M4: 1,484,011 km (0.071 R)
• M5: 1,968,409 km (0.029 R)
• M6: 2,640,702 km (0.111 R)
• M7: 3,352,488 km (0.097 R)
• M8: 3,903,906 km (0.098 R)
• M9: 4,609,858 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.9

Radius: 12.2

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.43 AU - 1.67 AU

Year: 1356 Days

Day: 11.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,108,607 km

• M1: 151,842 km (0.117 R)
• M2: 1,973,495 km (0.109 R)
• M3: 2,412,714 km (0.062 R)
• M4: 3,032,349 km (0.082 R)
• M5: 5,201,219 km (0.119 R)
• M6: 5,818,011 km (0.078 R)
• M7: 6,215,941 km (0.066 R)
• M8: 7,092,884 km (0.096 R)
• M9: 8,252,267 km (0.077 R)
• M10: 8,846,919 km (0.104 R)
• M11: 9,342,985 km (0.119 R)
• M12: 10,908,826 km (0.117 R)
• M13: 11,884,055 km (0.094 R)
• M14: 12,720,905 km (0.119 R)
• M15: 13,153,842 km (0.049 R)
• M16: 13,924,719 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.2

Radius: 10.6

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.45 AU - 2.33 AU

Year: 1826 Days

Day: 11.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,108,607 km

• M1: 132,693 km (0.098 R)
• M2: 486,343 km (0.109 R)
• M3: 860,038 km (0.08 R)
• M4: 1,262,307 km (0.091 R)
• M5: 2,089,882 km (0.083 R)
• M6: 2,735,098 km (0.109 R)
• M7: 3,983,642 km (0.098 R)
• M8: 6,103,593 km (0.113 R)
• M9: 6,531,742 km (0.096 R)
• M10: 7,142,999 km (0.098 R)
• M11: 7,476,902 km (0.086 R)
• M12: 7,850,298 km (0.101 R)
• M13: 8,296,548 km (0.105 R)
• M14: 8,917,978 km (0.112 R)
• M15: 9,437,232 km (0.055 R)
• M16: 12,987,489 km (0.115 R)

Asteroid Belt

Center: 2.2 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.3

Radius: 12.9

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.43 AU - 2.59 AU

Year: 2795 Days

Day: 12.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 38,108,607 km

• M1: 160,369 km (0.089 R)
• M2: 617,540 km (0.057 R)
• M3: 1,161,478 km (0.077 R)
• M4: 1,725,611 km (0.094 R)
• M5: 2,369,481 km (0.117 R)
• M6: 3,169,530 km (0.034 R)
• M7: 4,059,488 km (0.101 R)
• M8: 4,779,353 km (0.104 R)
• M9: 6,003,662 km (0.11 R)
• M10: 7,489,767 km (0.078 R)
• M11: 7,937,813 km (0.083 R)
• M12: 8,782,442 km (0.114 R)
• M13: 10,374,463 km (0.108 R)
• M14: 11,013,545 km (0.119 R)
• M15: 11,721,143 km (0.072 R)
• M16: 12,238,751 km (0.066 R)
• M17: 13,135,291 km (0.114 R)
• M18: 16,836,941 km (0.041 R)
• M19: 18,173,449 km (0.087 R)
• M20: 19,280,772 km (0.113 R)
• M21: 20,618,626 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.6

Radius: 11.4

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.87 AU - 3.17 AU

Year: 3689 Days

Day: 7.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 38,108,607 km

• M1: 141,968 km (0.074 R)
• M2: 656,136 km (0.115 R)
• M3: 1,083,537 km (0.056 R)
• M4: 1,544,448 km (0.11 R)
• M5: 2,082,103 km (0.046 R)
• M6: 3,008,563 km (0.071 R)
• M7: 4,278,200 km (0.113 R)
• M8: 5,634,155 km (0.101 R)
• M9: 6,295,826 km (0.111 R)
• M10: 7,384,899 km (0.072 R)
• M11: 7,974,464 km (0.031 R)
• M12: 8,701,809 km (0.093 R)
• M13: 9,894,702 km (0.078 R)
• M14: 10,571,184 km (0.069 R)
• M15: 14,226,159 km (0.1 R)
• M16: 14,780,120 km (0.029 R)
• M17: 16,255,155 km (0.116 R)
• M18: 18,175,543 km (0.117 R)
• M19: 20,242,836 km (0.115 R)
• M20: 20,687,142 km (0.085 R)
• M21: 21,267,880 km (0.096 R)
• M22: 21,859,540 km (0.067 R)
• M23: 22,260,163 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.1

Radius: 12.6

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 3.46 AU - 5.02 AU

Year: 6137 Days

Day: 8.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 38,108,607 km

• M1: 156,779 km (0.049 R)
• M2: 603,927 km (0.105 R)
• M3: 1,409,511 km (0.045 R)
• M4: 1,983,069 km (0.098 R)
• M5: 3,145,295 km (0.045 R)
• M6: 3,544,273 km (0.106 R)
• M7: 4,494,219 km (0.112 R)
• M8: 5,326,582 km (0.072 R)
• M9: 7,061,169 km (0.111 R)
• M10: 8,260,495 km (0.1 R)
• M11: 9,225,850 km (0.072 R)
• M12: 10,746,064 km (0.106 R)
• M13: 11,896,172 km (0.08 R)
• M14: 15,045,207 km (0.119 R)
• M15: 15,438,949 km (0.028 R)
• M16: 16,602,072 km (0.059 R)
• M17: 19,899,210 km (0.101 R)
• M18: 26,190,398 km (0.06 R)
• M19: 26,678,985 km (0.072 R)
• M20: 28,181,546 km (0.071 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.1

Radius: 12.4

Gravity: 3.3 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.04 AU - 6.28 AU

Year: 8239 Days

Day: 8.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,108,607 km

• M1: 154,983 km (0.074 R)
• M2: 610,060 km (0.061 R)
• M3: 1,023,549 km (0.042 R)
• M4: 1,409,661 km (0.057 R)
• M5: 1,809,536 km (0.056 R)
• M6: 2,253,393 km (0.092 R)
• M7: 3,776,748 km (0.11 R)
• M8: 4,538,051 km (0.12 R)
• M9: 5,042,196 km (0.12 R)
• M10: 5,521,807 km (0.093 R)
• M11: 6,963,482 km (0.065 R)
• M12: 7,369,640 km (0.102 R)
• M13: 9,376,047 km (0.05 R)
• M14: 9,872,412 km (0.096 R)
• M15: 11,065,904 km (0.08 R)
• M16: 11,518,438 km (0.028 R)
• M17: 13,340,689 km (0.104 R)
• M18: 15,409,927 km (0.113 R)
• M19: 16,553,603 km (0.099 R)
• M20: 17,279,900 km (0.073 R)
• M21: 18,584,394 km (0.108 R)
• M22: 20,101,466 km (0.112 R)
• M23: 21,234,520 km (0.119 R)
• M24: 22,569,681 km (0.082 R)
• M25: 25,930,996 km (0.114 R)
• M26: 30,781,707 km (0.111 R)
• M27: 31,377,705 km (0.089 R)
• M28: 32,695,363 km (0.102 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: 199 - 12,903 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit