🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 966.7

Radius: 11.4

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.85 AU - 0.99 AU

Year: 599 Days

Day: 12.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,609,683 km

• M1: 141,819 km (0.118 R)
• M2: 617,690 km (0.055 R)
• M3: 1,110,465 km (0.118 R)
• M4: 1,654,852 km (0.108 R)
• M5: 2,049,940 km (0.04 R)
• M6: 2,508,607 km (0.049 R)
• M7: 3,134,375 km (0.104 R)
• M8: 4,022,836 km (0.059 R)
• M9: 5,688,908 km (0.074 R)
• M10: 6,114,514 km (0.118 R)
• M11: 6,964,529 km (0.114 R)
• M12: 7,566,212 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.5

Radius: 10.5

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.03 AU - 1.51 AU

Year: 971 Days

Day: 13 Hours

Environment

Temp: -185 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,609,683 km

• M1: 130,599 km (0.054 R)
• M2: 499,058 km (0.052 R)
• M3: 1,047,634 km (0.07 R)
• M4: 1,516,623 km (0.08 R)
• M5: 2,247,409 km (0.074 R)
• M6: 2,735,995 km (0.107 R)
• M7: 3,434,767 km (0.058 R)
• M8: 3,819,084 km (0.104 R)
• M9: 4,382,021 km (0.065 R)
• M10: 5,167,260 km (0.087 R)
• M11: 6,191,856 km (0.071 R)
• M12: 7,491,562 km (0.028 R)
• M13: 7,988,227 km (0.07 R)
• M14: 8,506,733 km (0.075 R)
• M15: 8,992,328 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.5

Radius: 8.2

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.97 AU - 2.15 AU

Year: 2005 Days

Day: 11.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,609,683 km

• M1: 102,026 km (0.087 R)
• M2: 547,079 km (0.085 R)
• M3: 857,495 km (0.075 R)
• M4: 1,294,919 km (0.078 R)
• M5: 1,618,649 km (0.095 R)
• M6: 1,973,794 km (0.107 R)
• M7: 2,537,030 km (0.073 R)
• M8: 4,035,702 km (0.072 R)
• M9: 4,693,184 km (0.076 R)
• M10: 6,001,268 km (0.113 R)
• M11: 6,269,647 km (0.113 R)
• M12: 6,700,489 km (0.087 R)
• M13: 7,123,701 km (0.119 R)
• M14: 7,965,488 km (0.115 R)
• M15: 9,912,953 km (0.113 R)
• M16: 10,568,342 km (0.076 R)
• M17: 11,252,303 km (0.098 R)
• M18: 12,274,505 km (0.107 R)
• M19: 13,030,124 km (0.049 R)
• M20: 13,858,597 km (0.042 R)
• M21: 14,242,764 km (0.109 R)
• M22: 14,898,602 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.3

Radius: 9.6

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.26 AU - 3.2 AU

Year: 3059 Days

Day: 11.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,609,683 km

• M1: 119,379 km (0.091 R)
• M2: 449,093 km (0.112 R)
• M3: 781,200 km (0.09 R)
• M4: 1,372,860 km (0.091 R)
• M5: 1,830,031 km (0.103 R)
• M6: 2,151,517 km (0.06 R)
• M7: 3,971,375 km (0.078 R)
• M8: 4,308,718 km (0.112 R)
• M9: 5,631,462 km (0.109 R)
• M10: 7,006,117 km (0.106 R)
• M11: 8,143,510 km (0.111 R)
• M12: 12,968,639 km (0.082 R)
• M13: 14,863,895 km (0.078 R)
• M14: 15,730,067 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835

Radius: 12.3

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.69 AU - 4.17 AU

Year: 4309 Days

Day: 13.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,609,683 km

• M1: 154,535 km (0.056 R)
• M2: 554,709 km (0.116 R)
• M3: 1,197,232 km (0.116 R)
• M4: 1,785,451 km (0.12 R)
• M5: 3,227,873 km (0.093 R)
• M6: 3,917,370 km (0.055 R)
• M7: 6,492,099 km (0.065 R)
• M8: 7,246,820 km (0.105 R)
• M9: 10,119,249 km (0.066 R)
• M10: 11,225,675 km (0.091 R)
• M11: 13,008,881 km (0.1 R)
• M12: 15,651,976 km (0.036 R)
• M13: 18,698,986 km (0.065 R)
• M14: 21,690,046 km (0.102 R)
• M15: 23,299,120 km (0.069 R)
• M16: 24,363,808 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 439

Radius: 7.5

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 6 AU - 7.14 AU

Year: 11422 Days

Day: 16.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,609,683 km

• M1: 98,286 km (0.117 R)
• M2: 950,994 km (0.101 R)
• M3: 1,698,085 km (0.117 R)
• M4: 2,807,653 km (0.093 R)
• M5: 4,984,003 km (0.051 R)
• M6: 7,880,517 km (0.086 R)
• M7: 9,301,248 km (0.082 R)
• M8: 10,473,347 km (0.063 R)
• M9: 12,468,683 km (0.039 R)
• M10: 13,646,467 km (0.105 R)
• M11: 16,153,728 km (0.115 R)
• M12: 16,773,212 km (0.108 R)
• M13: 18,059,305 km (0.085 R)
• M14: 21,477,916 km (0.057 R)
• M15: 24,848,805 km (0.105 R)
• M16: 29,258,651 km (0.085 R)
• M17: 33,494,664 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.7

Radius: 7

Gravity: 11.69 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.19 AU - 8.75 AU

Year: 16719 Days

Day: 22.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 63,609,683 km

• M1: 87,515 km (0.116 R)
• M2: 372,349 km (0.101 R)
• M3: 782,098 km (0.113 R)
• M4: 1,296,116 km (0.051 R)
• M5: 2,053,680 km (0.11 R)
• M6: 2,718,343 km (0.026 R)
• M7: 3,768,819 km (0.108 R)
• M8: 5,172,795 km (0.076 R)
• M9: 5,498,171 km (0.032 R)
• M10: 5,837,010 km (0.093 R)
• M11: 6,640,201 km (0.114 R)
• M12: 7,932,427 km (0.102 R)
• M13: 8,267,975 km (0.114 R)
• M14: 10,369,975 km (0.102 R)
• M15: 11,005,317 km (0.065 R)
• M16: 13,001,102 km (0.089 R)
• M17: 16,506,031 km (0.11 R)
• M18: 17,856,002 km (0.053 R)
• M19: 21,045,728 km (0.106 R)
• M20: 22,062,544 km (0.088 R)
• M21: 24,194,164 km (0.041 R)
• M22: 27,208,562 km (0.118 R)
• M23: 30,580,946 km (0.093 R)
• M24: 37,737,110 km (0.081 R)
• M25: 38,823,191 km (0.117 R)
• M26: 42,496,566 km (0.118 R)
• M27: 43,523,705 km (0.1 R)
• M28: 43,968,909 km (0.095 R)
• M29: 45,322,919 km (0.107 R)
• M30: 49,229,518 km (0.047 R)
• M31: 50,199,361 km (0.058 R)
• M32: 61,164,436 km (0.11 R)
• M33: 61,536,336 km (0.111 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 525 - 17,806 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit