🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.7

Radius: 14.5

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.46 AU - 0.56 AU

Year: 243 Days

Day: 11.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,054,037 km

• M1: 180,565 km (0.025 R)
• M2: 688,001 km (0.088 R)
• M3: 1,316,461 km (0.071 R)
• M4: 1,773,333 km (0.094 R)
• M5: 2,259,676 km (0.075 R)
• M6: 2,781,623 km (0.06 R)
• M7: 3,500,141 km (0.037 R)
• M8: 4,132,940 km (0.117 R)

Asteroid Belt

Center: 0.96 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.2

Radius: 9.5

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.26 AU - 1.54 AU

Year: 1105 Days

Day: 8.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 84,054,037 km

• M1: 118,182 km (0.08 R)
• M2: 445,203 km (0.103 R)
• M3: 775,964 km (0.074 R)
• M4: 1,338,153 km (0.083 R)
• M5: 1,903,334 km (0.101 R)
• M6: 2,670,920 km (0.07 R)
• M7: 3,240,439 km (0.089 R)
• M8: 3,791,109 km (0.119 R)
• M9: 4,331,906 km (0.104 R)
• M10: 4,676,878 km (0.088 R)
• M11: 6,064,847 km (0.085 R)
• M12: 6,591,282 km (0.109 R)
• M13: 7,147,936 km (0.096 R)
• M14: 8,662,913 km (0.111 R)
• M15: 9,094,952 km (0.057 R)
• M16: 9,390,857 km (0.09 R)
• M17: 10,064,646 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328

Radius: 13.7

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.55 AU - 2.01 AU

Year: 1584 Days

Day: 13.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 115.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,054,037 km

• M1: 170,990 km (0.034 R)
• M2: 717,771 km (0.116 R)
• M3: 2,017,776 km (0.071 R)
• M4: 3,165,491 km (0.114 R)
• M5: 3,892,836 km (0.118 R)
• M6: 4,858,041 km (0.069 R)
• M7: 5,338,101 km (0.088 R)
• M8: 6,260,372 km (0.103 R)
• M9: 8,048,066 km (0.087 R)
• M10: 8,530,220 km (0.056 R)
• M11: 9,972,044 km (0.043 R)
• M12: 10,623,842 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634

Radius: 11.5

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.01 AU - 2.63 AU

Year: 2356 Days

Day: 11.7 Hours

Environment

Temp: -208 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,054,037 km

• M1: 148,850 km (0.092 R)
• M2: 552,315 km (0.109 R)
• M3: 1,379,292 km (0.109 R)
• M4: 1,786,348 km (0.104 R)
• M5: 2,222,875 km (0.092 R)
• M6: 2,701,139 km (0.054 R)
• M7: 3,116,423 km (0.051 R)
• M8: 5,483,809 km (0.047 R)
• M9: 6,311,235 km (0.045 R)
• M10: 8,371,946 km (0.12 R)
• M11: 8,925,458 km (0.052 R)
• M12: 9,961,722 km (0.117 R)
• M13: 11,153,718 km (0.109 R)
• M14: 12,313,999 km (0.119 R)
• M15: 13,333,509 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.1

Radius: 10.1

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.86 AU - 4.04 AU

Year: 4273 Days

Day: 10.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 84,054,037 km

• M1: 125,662 km (0.095 R)
• M2: 1,109,418 km (0.101 R)
• M3: 1,506,899 km (0.072 R)
• M4: 1,919,041 km (0.119 R)
• M5: 2,531,794 km (0.114 R)
• M6: 3,194,214 km (0.088 R)
• M7: 4,214,621 km (0.051 R)
• M8: 5,687,711 km (0.108 R)
• M9: 6,603,250 km (0.049 R)
• M10: 7,015,243 km (0.079 R)
• M11: 7,545,717 km (0.107 R)
• M12: 7,890,839 km (0.081 R)
• M13: 9,028,231 km (0.097 R)
• M14: 9,377,991 km (0.092 R)
• M15: 11,671,177 km (0.026 R)
• M16: 13,343,232 km (0.063 R)
• M17: 14,578,312 km (0.065 R)
• M18: 15,114,920 km (0.101 R)
• M19: 16,687,493 km (0.096 R)
• M20: 18,552,829 km (0.066 R)
• M21: 20,155,321 km (0.091 R)
• M22: 23,780,526 km (0.04 R)
• M23: 24,299,481 km (0.079 R)
• M24: 25,437,323 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.7

Radius: 12.1

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.96 AU - 4.54 AU

Year: 5843 Days

Day: 12 Hours

Environment

Temp: -214 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,054,037 km

• M1: 150,495 km (0.095 R)
• M2: 696,528 km (0.106 R)
• M3: 1,075,309 km (0.117 R)
• M4: 1,978,581 km (0.11 R)
• M5: 2,776,686 km (0.112 R)
• M6: 4,261,894 km (0.09 R)
• M7: 5,092,611 km (0.089 R)
• M8: 5,653,304 km (0.098 R)
• M9: 7,218,696 km (0.116 R)
• M10: 7,623,657 km (0.119 R)
• M11: 8,279,195 km (0.086 R)
• M12: 8,888,657 km (0.074 R)
• M13: 9,791,929 km (0.035 R)
• M14: 10,660,943 km (0.046 R)
• M15: 11,531,004 km (0.093 R)
• M16: 11,983,537 km (0.104 R)
• M17: 13,357,743 km (0.064 R)
• M18: 15,130,478 km (0.082 R)
• M19: 16,990,728 km (0.047 R)
• M20: 18,380,492 km (0.064 R)
• M21: 21,160,469 km (0.038 R)
• M22: 25,711,236 km (0.117 R)
• M23: 30,972,145 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.5

Radius: 13.3

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.47 AU - 5.63 AU

Year: 7568 Days

Day: 9.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,054,037 km

• M1: 165,455 km (0.111 R)
• M2: 593,604 km (0.109 R)
• M3: 1,272,330 km (0.069 R)
• M4: 2,270,447 km (0.116 R)
• M5: 3,172,223 km (0.063 R)
• M6: 3,590,648 km (0.112 R)
• M7: 4,206,842 km (0.063 R)
• M8: 6,614,619 km (0.059 R)
• M9: 7,202,539 km (0.102 R)
• M10: 7,648,640 km (0.078 R)
• M11: 10,993,050 km (0.113 R)
• M12: 12,296,646 km (0.077 R)
• M13: 15,831,494 km (0.056 R)
• M14: 17,369,510 km (0.083 R)
• M15: 20,672,182 km (0.092 R)
• M16: 22,726,161 km (0.027 R)
• M17: 26,177,683 km (0.075 R)
• M18: 27,319,114 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.7

Radius: 5.6

Gravity: 30.22 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 9.18 AU - 9.96 AU

Year: 19742 Days

Day: 23.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 84,054,037 km

• M1: 130,898 km (0.12 R)
• M2: 413,638 km (0.032 R)
• M3: 782,696 km (0.068 R)
• M4: 1,722,769 km (0.106 R)
• M5: 2,139,250 km (0.08 R)
• M6: 2,952,613 km (0.065 R)
• M7: 3,312,695 km (0.104 R)
• M8: 3,701,500 km (0.114 R)
• M9: 3,955,517 km (0.113 R)
• M10: 8,678,322 km (0.079 R)
• M11: 11,079,667 km (0.064 R)
• M12: 11,341,763 km (0.087 R)
• M13: 12,572,953 km (0.109 R)
• M14: 13,664,868 km (0.096 R)
• M15: 14,042,603 km (0.116 R)
• M16: 15,787,213 km (0.099 R)
• M17: 16,797,447 km (0.088 R)
• M18: 18,760,022 km (0.071 R)
• M19: 22,501,016 km (0.07 R)
• M20: 22,815,919 km (0.061 R)
• M21: 25,898,832 km (0.107 R)
• M22: 28,141,903 km (0.115 R)
• M23: 32,473,210 km (0.111 R)
• M24: 39,163,077 km (0.114 R)
• M25: 46,037,997 km (0.069 R)
• M26: 51,828,781 km (0.101 R)
• M27: 52,931,317 km (0.101 R)
• M28: 54,803,534 km (0.113 R)
• M29: 60,684,077 km (0.081 R)
• M30: 62,734,017 km (0.092 R)
• M31: 74,839,028 km (0.04 R)
• M32: 79,357,332 km (0.058 R)
• M33: 80,575,807 km (0.173 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 189 - 11,980 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit