🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.5 AU - 0.52 AU

Year: 235 Days

Day: 23.3 Hours

Environment

Temp: -113 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 191.3

Radius: 8

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.14 AU - 1.34 AU

Year: 892 Days

Day: 11.4 Hours

Environment

Temp: -165 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,584,488 km

• M1: 103,671 km (0.078 R)
• M2: 388,954 km (0.076 R)
• M3: 738,415 km (0.116 R)
• M4: 1,063,042 km (0.098 R)
• M5: 1,558,959 km (0.104 R)
• M6: 2,246,511 km (0.082 R)
• M7: 2,800,622 km (0.098 R)
• M8: 3,156,365 km (0.088 R)
• M9: 3,529,612 km (0.084 R)
• M10: 4,095,840 km (0.12 R)
• M11: 5,161,575 km (0.05 R)
• M12: 5,543,499 km (0.102 R)
• M13: 5,997,977 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480

Radius: 14.4

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.03 AU - 1.63 AU

Year: 990 Days

Day: 14.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,584,488 km

• M1: 179,069 km (0.068 R)
• M2: 746,643 km (0.067 R)
• M3: 1,295,817 km (0.092 R)
• M4: 1,748,051 km (0.077 R)
• M5: 2,207,017 km (0.09 R)
• M6: 2,902,498 km (0.108 R)
• M7: 3,376,723 km (0.029 R)
• M8: 4,468,040 km (0.076 R)
• M9: 5,324,637 km (0.047 R)
• M10: 5,782,855 km (0.114 R)
• M11: 6,498,681 km (0.104 R)
• M12: 7,458,501 km (0.114 R)
• M13: 8,133,038 km (0.098 R)
• M14: 8,665,457 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.2

Radius: 10.5

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.2 AU - 1.54 AU

Year: 1035 Days

Day: 6.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 20,584,488 km

• M1: 132,245 km (0.059 R)
• M2: 513,569 km (0.093 R)
• M3: 870,660 km (0.095 R)
• M4: 1,284,747 km (0.067 R)
• M5: 1,857,258 km (0.119 R)
• M6: 2,261,022 km (0.067 R)
• M7: 2,651,921 km (0.117 R)
• M8: 3,048,805 km (0.109 R)
• M9: 3,499,393 km (0.036 R)
• M10: 4,041,536 km (0.104 R)
• M11: 5,124,625 km (0.107 R)
• M12: 6,721,432 km (0.086 R)
• M13: 7,682,898 km (0.112 R)
• M14: 8,894,940 km (0.079 R)
• M15: 9,307,381 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.3

Radius: 8.3

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 1.37 AU - 1.69 AU

Year: 1222 Days

Day: 11.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,584,488 km

• M1: 103,223 km (0.111 R)
• M2: 419,622 km (0.101 R)
• M3: 772,673 km (0.086 R)
• M4: 1,104,780 km (0.026 R)
• M5: 1,546,393 km (0.113 R)
• M6: 1,928,167 km (0.115 R)
• M7: 2,511,000 km (0.061 R)
• M8: 2,838,320 km (0.056 R)
• M9: 3,553,847 km (0.053 R)
• M10: 4,429,144 km (0.071 R)
• M11: 5,203,912 km (0.061 R)
• M12: 5,937,240 km (0.102 R)
• M13: 6,253,041 km (0.116 R)
• M14: 6,678,348 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.2

Radius: 12.2

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 1.63 AU - 1.99 AU

Year: 1572 Days

Day: 11.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 20,584,488 km

• M1: 151,692 km (0.104 R)
• M2: 754,422 km (0.064 R)
• M3: 1,160,431 km (0.109 R)
• M4: 1,630,318 km (0.106 R)
• M5: 2,144,934 km (0.103 R)
• M6: 2,591,035 km (0.109 R)
• M7: 3,190,175 km (0.083 R)
• M8: 3,622,812 km (0.105 R)
• M9: 4,393,689 km (0.052 R)
• M10: 4,869,710 km (0.083 R)
• M11: 5,380,138 km (0.095 R)
• M12: 5,786,146 km (0.086 R)
• M13: 6,458,738 km (0.067 R)
• M14: 10,048,639 km (0.107 R)
• M15: 10,807,997 km (0.049 R)
• M16: 11,642,155 km (0.085 R)
• M17: 13,235,223 km (0.063 R)
• M18: 14,063,097 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 192.5

Radius: 12.9

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.48 AU - 2.24 AU

Year: 1638 Days

Day: 12 Hours

Environment

Temp: -185 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 20,584,488 km

• M1: 160,369 km (0.102 R)
• M2: 584,329 km (0.116 R)
• M3: 1,137,991 km (0.104 R)
• M4: 1,639,443 km (0.086 R)
• M5: 2,145,981 km (0.057 R)
• M6: 2,662,543 km (0.102 R)
• M7: 3,248,368 km (0.107 R)
• M8: 3,739,498 km (0.108 R)
• M9: 4,152,089 km (0.109 R)
• M10: 5,179,976 km (0.116 R)
• M11: 6,036,573 km (0.087 R)
• M12: 7,591,344 km (0.048 R)
• M13: 9,043,042 km (0.072 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.7

Radius: 8.4

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.68 AU - 2.4 AU

Year: 1881 Days

Day: 12.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 20,584,488 km

• M1: 109,506 km (0.085 R)
• M2: 604,076 km (0.115 R)
• M3: 954,734 km (0.076 R)
• M4: 1,294,321 km (0.079 R)
• M5: 1,577,360 km (0.067 R)
• M6: 1,979,030 km (0.078 R)
• M7: 2,512,945 km (0.101 R)
• M8: 2,800,023 km (0.088 R)
• M9: 3,078,724 km (0.06 R)
• M10: 3,539,934 km (0.104 R)
• M11: 5,314,016 km (0.08 R)
• M12: 5,790,186 km (0.096 R)
• M13: 6,827,497 km (0.115 R)
• M14: 8,855,446 km (0.111 R)
• M15: 9,427,359 km (0.03 R)
• M16: 10,331,079 km (0.098 R)
• M17: 10,609,780 km (0.117 R)
• M18: 11,291,498 km (0.12 R)
• M19: 12,505,335 km (0.061 R)
• M20: 13,266,040 km (0.115 R)
• M21: 13,637,043 km (0.038 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.4

Radius: 13.5

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 2.78 AU - 3.54 AU

Year: 3627 Days

Day: 10 Hours

Environment

Temp: -204 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 20,584,488 km

• M1: 169,943 km (0.04 R)
• M2: 630,705 km (0.107 R)
• M3: 1,112,559 km (0.119 R)
• M4: 1,724,115 km (0.073 R)
• M5: 2,525,960 km (0.119 R)
• M6: 3,491,166 km (0.074 R)
• M7: 4,734,025 km (0.12 R)
• M8: 5,370,863 km (0.074 R)
• M9: 6,226,263 km (0.076 R)
• M10: 6,874,920 km (0.081 R)
• M11: 7,413,622 km (0.104 R)
• M12: 8,542,188 km (0.079 R)
• M13: 9,416,288 km (0.108 R)
• M14: 9,931,354 km (0.1 R)
• M15: 11,715,757 km (0.109 R)
• M16: 12,884,117 km (0.107 R)
• M17: 13,751,784 km (0.104 R)
• M18: 14,176,343 km (0.108 R)
• M19: 14,804,953 km (0.107 R)
• M20: 15,808,306 km (0.112 R)
• M21: 16,963,800 km (0.106 R)
• M22: 19,266,411 km (0.11 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 433 - 19,698 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit