🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.4

Radius: 12.1

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.46 AU - 0.66 AU

Year: 284 Days

Day: 7.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 60,984,226 km

• M1: 150,495 km (0.057 R)
• M2: 661,223 km (0.107 R)
• M3: 1,076,207 km (0.11 R)
• M4: 1,459,776 km (0.086 R)
• M5: 1,910,365 km (0.115 R)
• M6: 2,979,690 km (0.085 R)
• M7: 3,358,173 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.3

Radius: 12.2

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.57 AU - 0.81 AU

Year: 389 Days

Day: 9 Hours

Environment

Temp: -147 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,984,226 km

• M1: 151,692 km (0.073 R)
• M2: 734,226 km (0.083 R)
• M3: 1,157,289 km (0.077 R)
• M4: 1,536,969 km (0.037 R)
• M5: 1,970,503 km (0.083 R)
• M6: 2,395,660 km (0.118 R)
• M7: 3,166,688 km (0.067 R)
• M8: 3,634,779 km (0.086 R)
• M9: 4,135,783 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 699.4

Radius: 12.6

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.91 AU - 0.97 AU

Year: 618 Days

Day: 13.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,984,226 km

• M1: 156,629 km (0.096 R)
• M2: 549,473 km (0.112 R)
• M3: 1,074,861 km (0.078 R)
• M4: 1,525,150 km (0.11 R)
• M5: 2,102,748 km (0.08 R)
• M6: 2,880,357 km (0.086 R)
• M7: 4,443,057 km (0.085 R)
• M8: 5,780,163 km (0.099 R)
• M9: 6,900,501 km (0.11 R)
• M10: 7,435,463 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781

Radius: 11.5

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.39 AU - 1.53 AU

Year: 1197 Days

Day: 7.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 88.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,984,226 km

• M1: 143,315 km (0.097 R)
• M2: 1,001,857 km (0.12 R)
• M3: 1,382,584 km (0.109 R)
• M4: 2,003,714 km (0.049 R)
• M5: 2,427,375 km (0.034 R)
• M6: 2,965,479 km (0.043 R)
• M7: 3,597,530 km (0.103 R)
• M8: 4,176,773 km (0.085 R)
• M9: 6,744,022 km (0.055 R)
• M10: 7,163,793 km (0.04 R)
• M11: 11,109,736 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.3

Radius: 13.2

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.29 AU - 1.67 AU

Year: 1221 Days

Day: 7.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,984,226 km

• M1: 164,258 km (0.07 R)
• M2: 603,927 km (0.093 R)
• M3: 1,043,894 km (0.072 R)
• M4: 1,815,071 km (0.081 R)
• M5: 2,253,393 km (0.053 R)
• M6: 3,025,318 km (0.04 R)
• M7: 3,442,696 km (0.099 R)
• M8: 4,321,882 km (0.108 R)
• M9: 5,055,211 km (0.111 R)
• M10: 6,647,082 km (0.117 R)
• M11: 7,385,647 km (0.1 R)
• M12: 8,150,092 km (0.107 R)
• M13: 8,698,219 km (0.108 R)
• M14: 9,363,780 km (0.12 R)
• M15: 10,063,000 km (0.077 R)
• M16: 10,694,602 km (0.088 R)
• M17: 11,282,073 km (0.059 R)
• M18: 12,074,194 km (0.109 R)
• M19: 13,096,695 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.2

Radius: 8.9

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.74 AU - 2.82 AU

Year: 2335 Days

Day: 12.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 60,984,226 km

• M1: 110,702 km (0.091 R)
• M2: 695,780 km (0.069 R)
• M3: 1,014,872 km (0.072 R)
• M4: 1,517,521 km (0.066 R)
• M5: 2,101,401 km (0.118 R)
• M6: 2,421,840 km (0.105 R)
• M7: 2,735,547 km (0.076 R)
• M8: 3,220,393 km (0.104 R)
• M9: 3,960,753 km (0.113 R)
• M10: 4,380,525 km (0.068 R)
• M11: 4,966,201 km (0.08 R)
• M12: 5,560,553 km (0.119 R)
• M13: 6,695,851 km (0.035 R)
• M14: 7,789,860 km (0.092 R)
• M15: 8,365,663 km (0.099 R)
• M16: 8,649,599 km (0.092 R)
• M17: 8,969,440 km (0.075 R)
• M18: 9,540,455 km (0.11 R)
• M19: 10,328,536 km (0.091 R)
• M20: 10,655,557 km (0.08 R)
• M21: 11,399,657 km (0.063 R)
• M22: 12,033,802 km (0.091 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.6

Radius: 12

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.27 AU - 4.51 AU

Year: 5204 Days

Day: 7.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,984,226 km

• M1: 149,598 km (0.078 R)
• M2: 561,142 km (0.107 R)
• M3: 982,559 km (0.105 R)
• M4: 1,358,797 km (0.077 R)
• M5: 2,379,653 km (0.087 R)
• M6: 3,291,452 km (0.098 R)
• M7: 4,402,516 km (0.116 R)
• M8: 5,699,828 km (0.062 R)
• M9: 6,332,029 km (0.117 R)
• M10: 6,926,381 km (0.093 R)
• M11: 8,869,807 km (0.084 R)
• M12: 9,545,541 km (0.036 R)
• M13: 12,306,968 km (0.086 R)
• M14: 12,849,410 km (0.089 R)
• M15: 13,803,695 km (0.092 R)
• M16: 16,197,261 km (0.062 R)
• M17: 17,310,568 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269.5

Radius: 3.3

Gravity: 24.75 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 8.14 AU - 12.74 AU

Year: 22879 Days

Day: 16.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 60,984,226 km

• M1: 45,179 km (0.057 R)
• M2: 197,768 km (0.088 R)
• M3: 356,641 km (0.088 R)
• M4: 772,972 km (0.05 R)
• M5: 1,063,491 km (0.114 R)
• M6: 1,227,301 km (0.055 R)
• M7: 1,378,844 km (0.079 R)
• M8: 1,542,803 km (0.113 R)
• M9: 1,770,192 km (0.081 R)
• M10: 1,874,162 km (0.114 R)
• M11: 2,231,103 km (0.114 R)
• M12: 2,587,295 km (0.076 R)
• M13: 2,860,760 km (0.076 R)
• M14: 4,089,557 km (0.106 R)
• M15: 4,241,249 km (0.069 R)
• M16: 4,460,111 km (0.044 R)
• M17: 5,631,612 km (0.061 R)
• M18: 6,368,381 km (0.119 R)
• M19: 6,823,009 km (0.104 R)
• M20: 7,343,460 km (0.11 R)
• M21: 9,478,371 km (0.09 R)
• M22: 10,235,935 km (0.075 R)
• M23: 11,091,336 km (0.114 R)
• M24: 11,809,256 km (0.11 R)
• M25: 12,685,151 km (0.1 R)
• M26: 12,878,432 km (0.082 R)
• M27: 13,270,678 km (0.074 R)
• M28: 18,044,196 km (0.109 R)
• M29: 21,945,559 km (0.103 R)
• M30: 24,937,516 km (0.027 R)
• M31: 26,061,146 km (0.119 R)
• M32: 32,789,908 km (0.049 R)
• M33: 33,643,215 km (0.113 R)
• M34: 34,511,032 km (0.057 R)
• M35: 37,865,465 km (0.08 R)
• M36: 39,621,295 km (0.083 R)
• M37: 44,616,817 km (0.075 R)
• M38: 47,651,709 km (0.083 R)
• M39: 50,659,524 km (0.072 R)
• M40: 50,983,254 km (0.072 R)
• M41: 56,007,049 km (0.118 R)
• M42: 56,179,984 km (0.051 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: 274 - 11,020 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit