🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815

Radius: 12.6

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.79 AU - 0.93 AU

Year: 515 Days

Day: 10.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 93,477,654 km

• M1: 156,779 km (0.119 R)
• M2: 583,581 km (0.085 R)
• M3: 995,424 km (0.079 R)
• M4: 1,416,243 km (0.113 R)
• M5: 1,810,733 km (0.082 R)
• M6: 2,327,444 km (0.101 R)
• M7: 2,852,682 km (0.096 R)
• M8: 3,468,875 km (0.112 R)
• M9: 3,946,541 km (0.112 R)
• M10: 4,363,022 km (0.069 R)
• M11: 4,969,641 km (0.046 R)
• M12: 5,596,756 km (0.086 R)
• M13: 6,105,837 km (0.078 R)
• M14: 6,586,345 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.7

Radius: 10.4

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.78 AU - 0.96 AU

Year: 524 Days

Day: 9.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 93,477,654 km

• M1: 129,402 km (0.061 R)
• M2: 488,287 km (0.052 R)
• M3: 838,346 km (0.08 R)
• M4: 1,274,723 km (0.117 R)
• M5: 1,994,888 km (0.068 R)
• M6: 2,340,010 km (0.062 R)
• M7: 2,757,238 km (0.12 R)
• M8: 3,236,101 km (0.12 R)
• M9: 3,611,442 km (0.081 R)
• M10: 4,633,345 km (0.061 R)
• M11: 5,676,641 km (0.057 R)
• M12: 6,571,535 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.2

Radius: 13.4

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.86 AU - 2.1 AU

Year: 1799 Days

Day: 5 Hours

Environment

Temp: -184 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 93,477,654 km

• M1: 166,951 km (0.053 R)
• M2: 755,768 km (0.091 R)
• M3: 1,403,078 km (0.105 R)
• M4: 1,880,146 km (0.084 R)
• M5: 2,431,713 km (0.088 R)
• M6: 2,900,553 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451

Radius: 12.8

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 2.06 AU - 2.54 AU

Year: 2252 Days

Day: 11.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 93,477,654 km

• M1: 159,621 km (0.097 R)
• M2: 1,514,529 km (0.094 R)
• M3: 2,012,091 km (0.117 R)
• M4: 3,660,959 km (0.12 R)
• M5: 4,089,258 km (0.09 R)
• M6: 5,287,686 km (0.097 R)
• M7: 7,893,232 km (0.093 R)
• M8: 10,534,383 km (0.093 R)
• M9: 12,646,406 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.7

Radius: 9

Gravity: 5.74 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.36 AU - 3.72 AU

Year: 4301 Days

Day: 9.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 93,477,654 km

• M1: 111,899 km (0.117 R)
• M2: 438,023 km (0.113 R)
• M3: 1,001,857 km (0.119 R)
• M4: 1,474,885 km (0.062 R)
• M5: 2,836,675 km (0.083 R)
• M6: 3,470,222 km (0.083 R)
• M7: 3,999,649 km (0.105 R)
• M8: 4,747,937 km (0.079 R)
• M9: 5,092,461 km (0.052 R)
• M10: 7,755,154 km (0.113 R)
• M11: 8,409,943 km (0.088 R)
• M12: 8,696,573 km (0.102 R)
• M13: 8,989,486 km (0.105 R)
• M14: 9,790,433 km (0.079 R)
• M15: 10,555,177 km (0.048 R)
• M16: 11,577,529 km (0.068 R)
• M17: 12,852,103 km (0.12 R)
• M18: 13,232,829 km (0.076 R)
• M19: 14,217,632 km (0.118 R)
• M20: 15,839,722 km (0.113 R)
• M21: 16,277,595 km (0.082 R)
• M22: 17,523,446 km (0.055 R)
• M23: 18,649,619 km (0.091 R)
• M24: 23,498,086 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.2

Radius: 10.3

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.08 AU - 4.6 AU

Year: 4859 Days

Day: 8.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 93,477,654 km

• M1: 128,056 km (0.058 R)
• M2: 460,612 km (0.116 R)
• M3: 1,101,340 km (0.112 R)
• M4: 1,526,945 km (0.115 R)
• M5: 2,462,231 km (0.104 R)
• M6: 2,860,162 km (0.078 R)
• M7: 3,361,464 km (0.082 R)
• M8: 4,295,104 km (0.044 R)
• M9: 4,693,334 km (0.088 R)
• M10: 5,768,494 km (0.089 R)
• M11: 6,348,335 km (0.106 R)
• M12: 6,833,182 km (0.038 R)
• M13: 8,591,705 km (0.116 R)
• M14: 9,976,981 km (0.025 R)
• M15: 10,499,826 km (0.077 R)
• M16: 11,225,375 km (0.065 R)
• M17: 11,647,989 km (0.098 R)
• M18: 13,288,928 km (0.042 R)
• M19: 13,708,999 km (0.026 R)
• M20: 14,909,821 km (0.089 R)
• M21: 16,598,183 km (0.093 R)
• M22: 17,394,941 km (0.11 R)
• M23: 18,088,926 km (0.104 R)
• M24: 19,064,753 km (0.03 R)
• M25: 21,192,483 km (0.07 R)
• M26: 23,095,218 km (0.109 R)
• M27: 26,240,813 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 954.1

Radius: 6.3

Gravity: 24.04 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 9.27 AU - 12.43 AU

Year: 23076 Days

Day: 17.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 93,477,654 km

• M1: 79,586 km (0.118 R)
• M2: 345,721 km (0.12 R)
• M3: 596,297 km (0.111 R)
• M4: 882,927 km (0.115 R)
• M5: 1,305,989 km (0.108 R)
• M6: 1,520,214 km (0.096 R)
• M7: 2,128,628 km (0.103 R)
• M8: 2,403,739 km (0.074 R)
• M9: 2,676,605 km (0.116 R)
• M10: 2,942,441 km (0.108 R)
• M11: 4,363,770 km (0.078 R)
• M12: 5,325,684 km (0.084 R)
• M13: 7,660,757 km (0.092 R)
• M14: 8,364,466 km (0.082 R)
• M15: 8,760,751 km (0.083 R)
• M16: 9,590,869 km (0.062 R)
• M17: 12,395,081 km (0.087 R)
• M18: 12,761,596 km (0.071 R)
• M19: 13,670,852 km (0.085 R)
• M20: 15,364,749 km (0.113 R)
• M21: 16,131,737 km (0.089 R)
• M22: 16,568,862 km (0.104 R)
• M23: 19,260,576 km (0.104 R)
• M24: 21,592,508 km (0.115 R)
• M25: 25,374,641 km (0.112 R)
• M26: 26,324,588 km (0.053 R)
• M27: 30,230,289 km (0.107 R)
• M28: 33,648,451 km (0.079 R)
• M29: 37,926,052 km (0.103 R)
• M30: 53,290,053 km (0.088 R)
• M31: 56,031,733 km (0.092 R)
• M32: 64,818,513 km (0.088 R)
• M33: 68,166,514 km (0.094 R)
• M34: 71,393,639 km (0.047 R)
• M35: 78,898,815 km (0.1 R)
• M36: 80,156,633 km (0.084 R)
• M37: 80,663,471 km (0.108 R)
• M38: 81,172,403 km (0.112 R)
• M39: 85,585,241 km (0.053 R)
• M40: 93,197,678 km (0.1 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 18,402 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit