🌌 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 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.4 AU - 0.64 AU

Year: 246 Days

Day: 33.2 Hours

Environment

Temp: -120 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 95,304,868 km

• M1: 514,916 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.1

Radius: 10.3

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.59 AU - 0.83 AU

Year: 392 Days

Day: 5.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 95,304,868 km

• M1: 128,505 km (0.108 R)
• M2: 578,944 km (0.106 R)
• M3: 982,110 km (0.095 R)
• M4: 1,392,607 km (0.116 R)
• M5: 2,119,951 km (0.096 R)
• M6: 3,020,830 km (0.029 R)
• M7: 3,500,740 km (0.061 R)
• M8: 4,854,301 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.8

Radius: 10.8

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.19 AU - 1.97 AU

Year: 1303 Days

Day: 6.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 95,304,868 km

• M1: 134,339 km (0.1 R)
• M2: 546,481 km (0.1 R)
• M3: 891,155 km (0.064 R)
• M4: 1,478,775 km (0.093 R)
• M5: 2,130,573 km (0.099 R)
• M6: 3,418,910 km (0.117 R)
• M7: 3,947,289 km (0.117 R)
• M8: 4,513,817 km (0.078 R)
• M9: 5,185,361 km (0.045 R)
• M10: 5,754,581 km (0.097 R)
• M11: 7,018,384 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.8

Radius: 9.4

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.66 AU - 2.68 AU

Year: 2097 Days

Day: 8.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 95,304,868 km

• M1: 116,986 km (0.059 R)
• M2: 552,764 km (0.092 R)
• M3: 1,152,502 km (0.059 R)
• M4: 1,573,770 km (0.062 R)
• M5: 1,874,312 km (0.094 R)
• M6: 2,225,568 km (0.118 R)
• M7: 2,661,496 km (0.111 R)
• M8: 3,827,013 km (0.087 R)
• M9: 4,207,291 km (0.111 R)
• M10: 4,513,966 km (0.116 R)
• M11: 5,346,927 km (0.116 R)
• M12: 5,707,458 km (0.095 R)
• M13: 7,206,728 km (0.102 R)
• M14: 8,674,433 km (0.063 R)
• M15: 9,397,589 km (0.107 R)
• M16: 10,331,678 km (0.114 R)
• M17: 11,659,359 km (0.069 R)
• M18: 11,998,796 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67

Radius: 9.5

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.15 AU - 2.81 AU

Year: 2562 Days

Day: 13.3 Hours

Environment

Temp: -190 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 95,304,868 km

• M1: 122,521 km (0.03 R)
• M2: 482,304 km (0.109 R)
• M3: 812,167 km (0.036 R)
• M4: 1,604,736 km (0.085 R)
• M5: 2,510,103 km (0.052 R)
• M6: 3,399,312 km (0.083 R)
• M7: 5,054,164 km (0.118 R)
• M8: 5,554,868 km (0.077 R)
• M9: 5,886,826 km (0.117 R)
• M10: 6,420,292 km (0.058 R)
• M11: 8,316,146 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.7

Radius: 8.7

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.3 AU - 2.92 AU

Year: 2766 Days

Day: 5.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 95,304,868 km

• M1: 108,159 km (0.108 R)
• M2: 627,264 km (0.111 R)
• M3: 1,168,659 km (0.102 R)
• M4: 2,144,186 km (0.093 R)
• M5: 2,450,413 km (0.097 R)
• M6: 2,973,108 km (0.095 R)
• M7: 3,425,492 km (0.05 R)
• M8: 3,865,609 km (0.081 R)
• M9: 4,949,296 km (0.053 R)
• M10: 5,610,818 km (0.069 R)
• M11: 7,080,168 km (0.118 R)
• M12: 10,951,911 km (0.077 R)
• M13: 12,072,847 km (0.098 R)
• M14: 13,180,470 km (0.093 R)
• M15: 13,713,936 km (0.047 R)
• M16: 18,021,906 km (0.085 R)
• M17: 18,403,530 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.7

Radius: 11

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.11 AU - 4.23 AU

Year: 5586 Days

Day: 9.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 95,304,868 km

• M1: 136,882 km (0.063 R)
• M2: 813,663 km (0.112 R)
• M3: 1,259,913 km (0.102 R)
• M4: 1,610,122 km (0.036 R)
• M5: 2,623,797 km (0.046 R)
• M6: 3,158,310 km (0.042 R)
• M7: 4,190,984 km (0.074 R)
• M8: 4,608,811 km (0.058 R)
• M9: 5,740,519 km (0.073 R)
• M10: 7,298,880 km (0.083 R)
• M11: 10,245,509 km (0.12 R)
• M12: 11,766,920 km (0.112 R)
• M13: 12,120,120 km (0.117 R)
• M14: 14,794,631 km (0.055 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 960.2

Radius: 7.7

Gravity: 16.19 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 7.32 AU - 10.54 AU

Year: 17506 Days

Day: 15.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 95,304,868 km

• M1: 96,042 km (0.11 R)
• M2: 353,201 km (0.058 R)
• M3: 1,080,246 km (0.09 R)
• M4: 2,073,426 km (0.078 R)
• M5: 2,414,210 km (0.034 R)
• M6: 2,792,095 km (0.061 R)
• M7: 3,757,001 km (0.096 R)
• M8: 4,037,796 km (0.061 R)
• M9: 4,433,931 km (0.086 R)
• M10: 5,698,482 km (0.098 R)
• M11: 7,720,297 km (0.091 R)
• M12: 8,702,557 km (0.106 R)
• M13: 10,480,079 km (0.119 R)
• M14: 10,975,397 km (0.063 R)
• M15: 11,228,966 km (0.06 R)
• M16: 11,486,274 km (0.109 R)
• M17: 13,472,186 km (0.113 R)
• M18: 13,909,909 km (0.101 R)
• M19: 16,079,228 km (0.117 R)
• M20: 17,244,147 km (0.094 R)
• M21: 17,934,690 km (0.119 R)
• M22: 20,211,271 km (0.047 R)
• M23: 24,458,354 km (0.065 R)
• M24: 25,440,015 km (0.066 R)
• M25: 25,884,620 km (0.075 R)
• M26: 29,508,030 km (0.09 R)
• M27: 30,246,445 km (0.075 R)
• M28: 31,123,388 km (0.079 R)
• M29: 35,211,300 km (0.101 R)
• M30: 38,611,958 km (0.071 R)
• M31: 39,199,280 km (0.081 R)
• M32: 47,720,973 km (0.025 R)
• M33: 53,493,207 km (0.036 R)
• M34: 54,590,357 km (0.112 R)
• M35: 56,452,103 km (0.103 R)
• M36: 61,291,295 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 958.2

Radius: 7.1

Gravity: 19.01 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 9.43 AU - 12.43 AU

Year: 23705 Days

Day: 22.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 95,304,868 km

• M1: 95,294 km (0.069 R)
• M2: 422,614 km (0.12 R)
• M3: 995,574 km (0.098 R)
• M4: 1,355,806 km (0.119 R)
• M5: 2,339,262 km (0.057 R)
• M6: 2,763,372 km (0.042 R)
• M7: 3,326,757 km (0.104 R)
• M8: 3,930,684 km (0.118 R)
• M9: 4,170,639 km (0.054 R)
• M10: 5,190,298 km (0.08 R)
• M11: 5,479,770 km (0.086 R)
• M12: 6,320,360 km (0.083 R)
• M13: 6,992,653 km (0.113 R)
• M14: 10,817,123 km (0.083 R)
• M15: 12,061,927 km (0.1 R)
• M16: 14,183,823 km (0.07 R)
• M17: 15,757,742 km (0.097 R)
• M18: 16,366,007 km (0.116 R)
• M19: 16,899,623 km (0.078 R)
• M20: 17,629,062 km (0.079 R)
• M21: 18,095,508 km (0.101 R)
• M22: 18,666,224 km (0.1 R)
• M23: 20,758,051 km (0.069 R)
• M24: 23,446,325 km (0.068 R)
• M25: 23,670,871 km (0.038 R)
• M26: 23,896,913 km (0.108 R)
• M27: 25,283,536 km (0.089 R)
• M28: 27,091,127 km (0.082 R)
• M29: 28,470,270 km (0.092 R)
• M30: 35,332,324 km (0.064 R)
• M31: 38,672,396 km (0.03 R)
• M32: 46,148,101 km (0.056 R)
• M33: 49,205,732 km (0.034 R)
• M34: 49,944,296 km (0.112 R)
• M35: 50,503,044 km (0.064 R)
• M36: 50,877,937 km (0.112 R)
• M37: 67,439,618 km (0.113 R)
• M38: 70,197,604 km (0.067 R)
• M39: 72,552,723 km (0.092 R)
• M40: 79,173,626 km (0.095 R)
• M41: 84,329,816 km (0.111 R)
• M42: 91,639,467 km (0.084 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 11,921 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit