🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 438.6

Radius: 10.1

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.73 AU - 0.89 AU

Year: 503 Days

Day: 8.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 91,549,425 km

• M1: 125,662 km (0.117 R)
• M2: 542,292 km (0.057 R)
• M3: 895,194 km (0.077 R)
• M4: 1,256,323 km (0.112 R)
• M5: 1,818,811 km (0.107 R)
• M6: 2,411,218 km (0.108 R)
• M7: 3,040,577 km (0.107 R)
• M8: 3,763,434 km (0.078 R)
• M9: 4,085,817 km (0.078 R)
• M10: 4,468,788 km (0.115 R)
• M11: 5,119,239 km (0.101 R)
• M12: 5,565,190 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.6

Radius: 10

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.8 AU - 0.86 AU

Year: 522 Days

Day: 12.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 91,549,425 km

• M1: 124,316 km (0.036 R)
• M2: 587,920 km (0.117 R)
• M3: 1,091,316 km (0.106 R)
• M4: 1,570,628 km (0.068 R)
• M5: 2,160,492 km (0.108 R)
• M6: 3,263,029 km (0.038 R)
• M7: 4,353,148 km (0.069 R)
• M8: 5,551,427 km (0.107 R)
• M9: 5,913,454 km (0.079 R)

Planet 3 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 97

Radius: 7.8

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 6.4 AU - 8.2 AU

Year: 13614 Days

Day: 23 Hours

Environment

Temp: -232 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 91,549,425 km

• M1: 97,388 km (0.065 R)
• M2: 747,241 km (0.09 R)
• M3: 2,363,497 km (0.101 R)
• M4: 3,113,730 km (0.081 R)
• M5: 4,423,459 km (0.093 R)
• M6: 4,887,512 km (0.099 R)
• M7: 5,298,757 km (0.057 R)
• M8: 5,822,349 km (0.105 R)
• M9: 12,951,735 km (0.112 R)
• M10: 13,368,066 km (0.112 R)
• M11: 16,115,431 km (0.12 R)
• M12: 17,088,565 km (0.112 R)
• M13: 20,034,596 km (0.12 R)
• M14: 29,155,727 km (0.086 R)
• M15: 30,597,851 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977.7

Radius: 3.2

Gravity: 95.48 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.62 AU - 9.2 AU

Year: 18358 Days

Day: 16.4 Hours

Environment

Temp: -243 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 91,549,425 km

• M1: 40,092 km (0.087 R)
• M2: 153,487 km (0.102 R)
• M3: 416,480 km (0.092 R)
• M4: 1,049,728 km (0.091 R)
• M5: 1,527,843 km (0.074 R)
• M6: 2,137,155 km (0.109 R)
• M7: 2,567,548 km (0.106 R)
• M8: 4,948,698 km (0.06 R)
• M9: 6,514,838 km (0.106 R)
• M10: 7,118,615 km (0.079 R)
• M11: 8,436,422 km (0.115 R)
• M12: 9,323,388 km (0.032 R)
• M13: 10,894,615 km (0.111 R)
• M14: 11,477,149 km (0.098 R)
• M15: 12,845,520 km (0.07 R)
• M16: 13,495,224 km (0.057 R)
• M17: 15,017,083 km (0.087 R)
• M18: 15,575,682 km (0.085 R)
• M19: 16,314,097 km (0.069 R)
• M20: 16,649,645 km (0.074 R)
• M21: 19,128,481 km (0.091 R)
• M22: 23,609,237 km (0.104 R)
• M23: 24,582,221 km (0.057 R)
• M24: 25,807,278 km (0.106 R)
• M25: 27,660,945 km (0.115 R)
• M26: 34,569,674 km (0.108 R)
• M27: 36,961,595 km (0.061 R)
• M28: 38,124,269 km (0.061 R)
• M29: 48,317,419 km (0.037 R)
• M30: 52,564,503 km (0.03 R)
• M31: 54,033,704 km (0.117 R)
• M32: 57,632,131 km (0.099 R)
• M33: 62,401,461 km (0.109 R)
• M34: 63,840,592 km (0.082 R)
• M35: 65,301,565 km (0.117 R)
• M36: 67,212,678 km (0.118 R)
• M37: 77,328,935 km (0.096 R)
• M38: 77,800,766 km (0.204 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 865.3

Radius: 6.6

Gravity: 19.86 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 8.15 AU - 12.85 AU

Year: 23485 Days

Day: 24.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 91,549,425 km

• M1: 82,129 km (0.117 R)
• M2: 651,948 km (0.109 R)
• M3: 1,110,166 km (0.117 R)
• M4: 1,563,298 km (0.055 R)
• M5: 2,133,266 km (0.078 R)
• M6: 2,860,012 km (0.058 R)
• M7: 3,369,094 km (0.108 R)
• M8: 5,634,005 km (0.087 R)
• M9: 7,926,892 km (0.035 R)
• M10: 8,251,519 km (0.087 R)
• M11: 8,927,253 km (0.106 R)
• M12: 9,823,045 km (0.1 R)
• M13: 10,071,677 km (0.116 R)
• M14: 10,646,731 km (0.085 R)
• M15: 11,041,968 km (0.115 R)
• M16: 11,378,863 km (0.074 R)
• M17: 11,861,914 km (0.118 R)
• M18: 13,317,651 km (0.082 R)
• M19: 14,088,529 km (0.113 R)
• M20: 15,718,847 km (0.034 R)
• M21: 18,020,859 km (0.074 R)
• M22: 22,736,034 km (0.11 R)
• M23: 23,502,125 km (0.088 R)
• M24: 24,398,515 km (0.057 R)
• M25: 27,346,491 km (0.106 R)
• M26: 28,589,350 km (0.078 R)
• M27: 29,999,459 km (0.118 R)
• M28: 30,655,596 km (0.097 R)
• M29: 37,448,237 km (0.115 R)
• M30: 40,075,774 km (0.048 R)
• M31: 45,867,605 km (0.043 R)
• M32: 54,101,771 km (0.1 R)
• M33: 55,661,777 km (0.035 R)
• M34: 59,899,137 km (0.103 R)
• M35: 63,698,175 km (0.094 R)
• M36: 64,346,682 km (0.077 R)
• M37: 73,654,512 km (0.156 R)
• M38: 79,498,702 km (0.116 R)
• M39: 89,101,988 km (0.107 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: 409 - 18,826 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit