🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.51 AU - 0.71 AU

Year: 313 Days

Day: 45.8 Hours

Environment

Temp: -120 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.61 AU - 0.65 AU

Year: 328 Days

Day: 27 Hours

Environment

Temp: -126 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.8

Radius: 10.6

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.67 AU - 1.09 AU

Year: 542 Days

Day: 6.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 11,602,394 km

• M1: 132,095 km (0.055 R)
• M2: 243,097 km (0.054 R)
• M3: 314,904 km (0.105 R)
• M4: 400,174 km (0.09 R)
• M5: 500,405 km (0.069 R)
• M6: 586,424 km (0.107 R)
• M7: 709,991 km (0.063 R)
• M8: 778,507 km (0.116 R)
• M9: 881,131 km (0.069 R)
• M10: 965,355 km (0.09 R)
• M11: 1,056,011 km (0.094 R)
• M12: 1,135,597 km (0.077 R)
• M13: 1,206,656 km (0.083 R)
• M14: 1,301,352 km (0.12 R)
• M15: 1,368,372 km (0.098 R)
• M16: 1,506,301 km (0.069 R)
• M17: 1,697,637 km (0.115 R)
• M18: 1,783,805 km (0.117 R)
• M19: 1,850,526 km (0.104 R)
• M20: 1,943,725 km (0.054 R)
• M21: 2,016,878 km (0.12 R)
• M22: 2,157,201 km (0.106 R)
• M23: 2,355,418 km (0.109 R)
• M24: 2,447,571 km (0.117 R)
• M25: 2,545,557 km (0.117 R)
• M26: 2,941,244 km (0.108 R)
• M27: 3,065,859 km (0.08 R)
• M28: 3,248,368 km (0.061 R)
• M29: 3,408,438 km (0.096 R)
• M30: 3,486,827 km (0.099 R)
• M31: 3,565,815 km (0.114 R)
• M32: 3,688,186 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.9

Radius: 11.3

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.73 AU - 1.03 AU

Year: 542 Days

Day: 8.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 11,602,394 km

• M1: 149,448 km (0.071 R)
• M2: 223,499 km (0.083 R)
• M3: 339,138 km (0.081 R)
• M4: 415,882 km (0.112 R)
• M5: 513,569 km (0.058 R)
• M6: 646,263 km (0.068 R)
• M7: 748,438 km (0.039 R)
• M8: 823,835 km (0.04 R)
• M9: 898,036 km (0.118 R)
• M10: 1,053,917 km (0.066 R)
• M11: 1,153,848 km (0.112 R)
• M12: 1,243,009 km (0.098 R)
• M13: 1,329,626 km (0.054 R)
• M14: 1,413,401 km (0.044 R)
• M15: 1,519,466 km (0.118 R)
• M16: 1,623,137 km (0.083 R)
• M17: 1,697,188 km (0.091 R)
• M18: 1,848,730 km (0.081 R)
• M19: 1,937,592 km (0.085 R)
• M20: 2,067,592 km (0.101 R)
• M21: 2,259,676 km (0.085 R)
• M22: 2,378,905 km (0.093 R)
• M23: 2,506,363 km (0.092 R)
• M24: 2,623,797 km (0.075 R)
• M25: 2,705,178 km (0.118 R)
• M26: 2,864,201 km (0.113 R)
• M27: 2,974,155 km (0.112 R)
• M28: 3,118,517 km (0.068 R)
• M29: 3,211,717 km (0.117 R)
• M30: 3,663,353 km (0.101 R)
• M31: 3,740,695 km (0.118 R)
• M32: 3,904,056 km (0.085 R)
• M33: 4,055,299 km (0.077 R)
• M34: 4,223,148 km (0.075 R)
• M35: 4,341,330 km (0.048 R)
• M36: 4,445,750 km (0.053 R)
• M37: 4,581,136 km (0.076 R)
• M38: 4,710,239 km (0.075 R)
• M39: 4,809,871 km (0.089 R)
• M40: 5,081,540 km (0.088 R)
• M41: 5,175,787 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.3

Radius: 14

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.22 AU - 1.24 AU

Year: 895 Days

Day: 8.6 Hours

Environment

Temp: -177 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 11,602,394 km

• M1: 181,911 km (0.098 R)
• M2: 280,346 km (0.046 R)
• M3: 406,009 km (0.072 R)
• M4: 584,030 km (0.111 R)
• M5: 730,486 km (0.064 R)
• M6: 839,244 km (0.097 R)
• M7: 959,072 km (0.059 R)
• M8: 1,090,568 km (0.108 R)
• M9: 1,256,024 km (0.106 R)
• M10: 1,424,621 km (0.077 R)
• M11: 1,553,275 km (0.034 R)
• M12: 1,723,068 km (0.112 R)
• M13: 1,989,652 km (0.062 R)
• M14: 2,108,283 km (0.107 R)
• M15: 2,270,148 km (0.054 R)
• M16: 2,366,489 km (0.072 R)
• M17: 2,464,326 km (0.095 R)
• M18: 2,613,774 km (0.075 R)
• M19: 2,715,052 km (0.114 R)
• M20: 2,869,736 km (0.092 R)
• M21: 3,019,633 km (0.1 R)
• M22: 3,226,377 km (0.088 R)
• M23: 3,605,757 km (0.088 R)
• M24: 3,735,459 km (0.101 R)
• M25: 3,841,973 km (0.109 R)
• M26: 3,957,911 km (0.098 R)
• M27: 4,058,141 km (0.088 R)
• M28: 4,269,972 km (0.074 R)
• M29: 4,468,040 km (0.05 R)
• M30: 4,634,093 km (0.107 R)
• M31: 4,722,206 km (0.072 R)
• M32: 5,026,339 km (0.042 R)
• M33: 5,144,372 km (0.031 R)
• M34: 5,272,577 km (0.115 R)
• M35: 5,466,755 km (0.074 R)
• M36: 5,578,804 km (0.031 R)
• M37: 5,748,448 km (0.107 R)
• M38: 5,938,886 km (0.053 R)
• M39: 6,044,502 km (0.08 R)
• M40: 6,150,866 km (0.12 R)
• M41: 6,296,874 km (0.118 R)
• M42: 6,453,802 km (0.027 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.6

Radius: 10.5

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.56 AU - 2.02 AU

Year: 1571 Days

Day: 8 Hours

Environment

Temp: -188 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 11,602,394 km

• M1: 130,898 km (0.093 R)
• M2: 199,414 km (0.089 R)
• M3: 295,007 km (0.108 R)
• M4: 498,759 km (0.072 R)
• M5: 817,104 km (0.062 R)
• M6: 885,470 km (0.078 R)
• M7: 963,261 km (0.062 R)
• M8: 1,126,023 km (0.095 R)
• M9: 1,581,848 km (0.077 R)
• M10: 1,766,900 km (0.094 R)
• M11: 1,857,706 km (0.1 R)
• M12: 2,149,123 km (0.117 R)
• M13: 2,384,889 km (0.093 R)
• M14: 2,465,373 km (0.078 R)
• M15: 2,567,249 km (0.115 R)
• M16: 2,702,037 km (0.113 R)
• M17: 2,796,583 km (0.055 R)
• M18: 2,946,180 km (0.053 R)
• M19: 3,021,877 km (0.088 R)
• M20: 3,098,322 km (0.116 R)
• M21: 3,275,445 km (0.088 R)
• M22: 3,365,354 km (0.103 R)
• M23: 3,478,749 km (0.1 R)
• M24: 3,651,385 km (0.107 R)
• M25: 3,756,403 km (0.093 R)
• M26: 3,850,649 km (0.108 R)
• M27: 3,993,366 km (0.05 R)
• M28: 4,198,614 km (0.101 R)
• M29: 4,733,426 km (0.073 R)
• M30: 5,145,568 km (0.038 R)
• M31: 5,210,943 km (0.098 R)
• M32: 5,276,616 km (0.067 R)
• M33: 5,528,988 km (0.098 R)
• M34: 5,622,935 km (0.107 R)
• M35: 5,744,558 km (0.108 R)
• M36: 6,031,637 km (0.097 R)
• M37: 6,407,875 km (0.1 R)
• M38: 6,478,336 km (0.048 R)
• M39: 6,591,731 km (0.092 R)
• M40: 7,037,233 km (0.089 R)
• M41: 7,168,431 km (0.095 R)
• M42: 7,374,128 km (0.062 R)
• M43: 7,492,460 km (0.034 R)
• M44: 7,656,419 km (0.12 R)
• M45: 7,942,301 km (0.117 R)
• M46: 8,247,031 km (0.092 R)
• M47: 9,088,819 km (0.116 R)
• M48: 9,375,598 km (0.094 R)
• M49: 9,487,946 km (0.102 R)
• M50: 9,568,429 km (0.107 R)
• M51: 10,039,812 km (0.083 R)
• M52: 10,270,193 km (0.033 R)
• M53: 10,435,798 km (0.103 R)
• M54: 10,518,974 km (0.11 R)
• M55: 10,585,545 km (0.113 R)
• M56: 10,836,870 km (0.073 R)
• M57: 10,904,189 km (0.083 R)
• M58: 11,191,866 km (0.093 R)
• M59: 11,259,933 km (0.108 R)
• M60: 11,396,515 km (0.086 R)
• M61: 11,482,085 km (0.102 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 12,078 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit